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SubjectRe: Linux 4.19.21
diff --git a/Makefile b/Makefile
index f1859811dca1..ba5f14d38d8e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 20
+SUBLEVEL = 21
EXTRAVERSION =
NAME = "People's Front"

diff --git a/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts b/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
index df1227613d48..c2ece0b91885 100644
--- a/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-arm-centriq2400-rep.dts
@@ -13,7 +13,7 @@
bootargs = "console=ttyS4,115200 earlyprintk";
};

- memory {
+ memory@80000000 {
reg = <0x80000000 0x40000000>;
};

diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts b/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts
index 7a291de02543..22dade6393d0 100644
--- a/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts
@@ -13,7 +13,7 @@
bootargs = "earlyprintk";
};

- memory {
+ memory@80000000 {
reg = <0x80000000 0x20000000>;
};

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-lanyang.dts b/arch/arm/boot/dts/aspeed-bmc-opp-lanyang.dts
index d598b6391362..024e52a6cd0f 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-lanyang.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-lanyang.dts
@@ -14,7 +14,7 @@
bootargs = "console=ttyS4,115200 earlyprintk";
};

- memory {
+ memory@80000000 {
reg = <0x80000000 0x40000000>;
};

@@ -322,4 +322,3 @@
&adc {
status = "okay";
};
-
diff --git a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
index 43ed13963d35..33d704541de6 100644
--- a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts
@@ -17,7 +17,7 @@
bootargs = "console=ttyS4,115200 earlyprintk";
};

- memory {
+ memory@80000000 {
reg = <0x80000000 0x20000000>;
};

diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
index 6f258b50eb44..502a361d1fe9 100644
--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@@ -274,20 +274,16 @@
read-only;
};
/*
- * Between the boot loader and the rootfs is the kernel
- * in a custom Storlink format flashed from the boot
- * menu. The rootfs is in squashfs format.
+ * This firmware image contains the kernel catenated
+ * with the squashfs root filesystem. For some reason
+ * this is called "upgrade" on the vendor system.
*/
- partition@1800c0 {
- label = "rootfs";
- reg = <0x001800c0 0x01dbff40>;
- read-only;
- };
- partition@1f40000 {
+ partition@40000 {
label = "upgrade";
- reg = <0x01f40000 0x00040000>;
+ reg = <0x00040000 0x01f40000>;
read-only;
};
+ /* RGDB, Residental Gateway Database? */
partition@1f80000 {
label = "rgdb";
reg = <0x01f80000 0x00040000>;
diff --git a/arch/arm/boot/dts/imx51-zii-rdu1.dts b/arch/arm/boot/dts/imx51-zii-rdu1.dts
index 469cce2c0357..6e80254c4562 100644
--- a/arch/arm/boot/dts/imx51-zii-rdu1.dts
+++ b/arch/arm/boot/dts/imx51-zii-rdu1.dts
@@ -477,6 +477,15 @@
};

&gpio1 {
+ gpio-line-names = "", "", "", "",
+ "", "", "", "",
+ "", "hp-amp-shutdown-b", "", "",
+ "", "", "", "",
+ "", "", "", "",
+ "", "", "", "",
+ "", "", "", "",
+ "", "", "", "";
+
unused-sd3-wp-gpio {
/*
* See pinctrl_esdhc1 below for more details on this
@@ -501,9 +510,6 @@
hpa1: amp@60 {
compatible = "ti,tpa6130a2";
reg = <0x60>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_ampgpio>;
- power-gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
Vdd-supply = <&reg_3p3v>;
};

@@ -677,7 +683,10 @@
};

&iomuxc {
- pinctrl_ampgpio: ampgpiogrp {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hog>;
+
+ pinctrl_hog: hoggrp {
fsl,pins = <
MX51_PAD_GPIO1_9__GPIO1_9 0x5e
>;
diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 766bbb8495b6..47e5b63339d1 100644
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -220,12 +220,15 @@
status = "disabled";
};

- twsi2: i2c@d4025000 {
+ twsi2: i2c@d4031000 {
compatible = "mrvl,mmp-twsi";
- reg = <0xd4025000 0x1000>;
- interrupts = <58>;
+ reg = <0xd4031000 0x1000>;
+ interrupt-parent = <&intcmux17>;
+ interrupts = <0>;
clocks = <&soc_clocks MMP2_CLK_TWSI1>;
resets = <&soc_clocks MMP2_CLK_TWSI1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "disabled";
};

diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
index 490726b52216..9dc7ec7655cb 100644
--- a/arch/arm/boot/dts/omap4-sdp.dts
+++ b/arch/arm/boot/dts/omap4-sdp.dts
@@ -33,6 +33,7 @@
gpio = <&gpio2 16 GPIO_ACTIVE_HIGH>; /* gpio line 48 */
enable-active-high;
regulator-boot-on;
+ startup-delay-us = <25000>;
};

vbat: fixedregulator-vbat {
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 0978282d5fc2..f574a5e0d589 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -693,6 +693,21 @@ void smp_send_stop(void)
pr_warn("SMP: failed to stop secondary CPUs\n");
}

+/* In case panic() and panic() called at the same time on CPU1 and CPU2,
+ * and CPU 1 calls panic_smp_self_stop() before crash_smp_send_stop()
+ * CPU1 can't receive the ipi irqs from CPU2, CPU1 will be always online,
+ * kdump fails. So split out the panic_smp_self_stop() and add
+ * set_cpu_online(smp_processor_id(), false).
+ */
+void panic_smp_self_stop(void)
+{
+ pr_debug("CPU %u will stop doing anything useful since another CPU has paniced\n",
+ smp_processor_id());
+ set_cpu_online(smp_processor_id(), false);
+ while (1)
+ cpu_relax();
+}
+
/*
* not supported here
*/
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index cd65ea4e9c54..ec3789ba17b8 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2397,7 +2397,7 @@ static int __init _init(struct omap_hwmod *oh, void *data)
* a stub; implementing this properly requires iclk autoidle usecounting in
* the clock code. No return value.
*/
-static void __init _setup_iclk_autoidle(struct omap_hwmod *oh)
+static void _setup_iclk_autoidle(struct omap_hwmod *oh)
{
struct omap_hwmod_ocp_if *os;

@@ -2428,7 +2428,7 @@ static void __init _setup_iclk_autoidle(struct omap_hwmod *oh)
* reset. Returns 0 upon success or a negative error code upon
* failure.
*/
-static int __init _setup_reset(struct omap_hwmod *oh)
+static int _setup_reset(struct omap_hwmod *oh)
{
int r;

@@ -2489,7 +2489,7 @@ static int __init _setup_reset(struct omap_hwmod *oh)
*
* No return value.
*/
-static void __init _setup_postsetup(struct omap_hwmod *oh)
+static void _setup_postsetup(struct omap_hwmod *oh)
{
u8 postsetup_state;

diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index c5c0ab8ac9f9..024c1fbcc55a 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -558,7 +558,7 @@ static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
.exit = cm_x300_u2d_exit,
};

-static void cm_x300_init_u2d(void)
+static void __init cm_x300_init_u2d(void)
{
pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
}
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 9e132b3e48c6..9960ea158829 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -184,7 +184,7 @@ static struct pxafb_mach_info littleton_lcd_info = {
.lcd_conn = LCD_COLOR_TFT_16BPP,
};

-static void littleton_init_lcd(void)
+static void __init littleton_init_lcd(void)
{
pxa_set_fb_info(NULL, &littleton_lcd_info);
}
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index e3851795d6d7..68a536de542d 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -559,7 +559,7 @@ static struct pxaohci_platform_data zeus_ohci_platform_data = {
.flags = ENABLE_PORT_ALL | POWER_SENSE_LOW,
};

-static void zeus_register_ohci(void)
+static void __init zeus_register_ohci(void)
{
/* Port 2 is shared between host and client interface. */
UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 35b2e50f17fb..49bb9a020a09 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -106,7 +106,23 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
}

/* IO barriers */
-#define __iormb() rmb()
+#define __iormb(v) \
+({ \
+ unsigned long tmp; \
+ \
+ rmb(); \
+ \
+ /* \
+ * Create a dummy control dependency from the IO read to any \
+ * later instructions. This ensures that a subsequent call to \
+ * udelay() will be ordered due to the ISB in get_cycles(). \
+ */ \
+ asm volatile("eor %0, %1, %1\n" \
+ "cbnz %0, ." \
+ : "=r" (tmp) : "r" ((unsigned long)(v)) \
+ : "memory"); \
+})
+
#define __iowmb() wmb()

#define mmiowb() do { } while (0)
@@ -131,10 +147,10 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
* following Normal memory access. Writes are ordered relative to any prior
* Normal memory access.
*/
-#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; })
-#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; })
-#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; })
-#define readq(c) ({ u64 __v = readq_relaxed(c); __iormb(); __v; })
+#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(__v); __v; })
+#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(__v); __v; })
+#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(__v); __v; })
+#define readq(c) ({ u64 __v = readq_relaxed(c); __iormb(__v); __v; })

#define writeb(v,c) ({ __iowmb(); writeb_relaxed((v),(c)); })
#define writew(v,c) ({ __iowmb(); writew_relaxed((v),(c)); })
@@ -185,9 +201,9 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size);
/*
* io{read,write}{16,32,64}be() macros
*/
-#define ioread16be(p) ({ __u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; })
-#define ioread32be(p) ({ __u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; })
-#define ioread64be(p) ({ __u64 __v = be64_to_cpu((__force __be64)__raw_readq(p)); __iormb(); __v; })
+#define ioread16be(p) ({ __u16 __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(__v); __v; })
+#define ioread32be(p) ({ __u32 __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(__v); __v; })
+#define ioread64be(p) ({ __u64 __v = be64_to_cpu((__force __be64)__raw_readq(p)); __iormb(__v); __v; })

#define iowrite16be(v,p) ({ __iowmb(); __raw_writew((__force __u16)cpu_to_be16(v), p); })
#define iowrite32be(v,p) ({ __iowmb(); __raw_writel((__force __u32)cpu_to_be32(v), p); })
diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
index 98c4ce55d9c3..ad64d2c92ef5 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -130,7 +130,7 @@ struct user_sve_header {

/* Offset from the start of struct user_sve_header to the register data */
#define SVE_PT_REGS_OFFSET \
- ((sizeof(struct sve_context) + (SVE_VQ_BYTES - 1)) \
+ ((sizeof(struct user_sve_header) + (SVE_VQ_BYTES - 1)) \
/ SVE_VQ_BYTES * SVE_VQ_BYTES)

/*
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S
index 1175f5827ae1..295951f3172e 100644
--- a/arch/arm64/kernel/entry-ftrace.S
+++ b/arch/arm64/kernel/entry-ftrace.S
@@ -79,7 +79,6 @@
.macro mcount_get_lr reg
ldr \reg, [x29]
ldr \reg, [\reg, #8]
- mcount_adjust_addr \reg, \reg
.endm

.macro mcount_get_lr_addr reg
diff --git a/arch/mips/boot/dts/img/boston.dts b/arch/mips/boot/dts/img/boston.dts
index 65af3f6ba81c..84328afa3a55 100644
--- a/arch/mips/boot/dts/img/boston.dts
+++ b/arch/mips/boot/dts/img/boston.dts
@@ -141,6 +141,12 @@
#size-cells = <2>;
#interrupt-cells = <1>;

+ eg20t_phub@2,0,0 {
+ compatible = "pci8086,8801";
+ reg = <0x00020000 0 0 0 0>;
+ intel,eg20t-prefetch = <0>;
+ };
+
eg20t_mac@2,0,1 {
compatible = "pci8086,8802";
reg = <0x00020100 0 0 0 0>;
diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
index e9cc62cfac99..ff50aeb1a933 100644
--- a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
+++ b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
@@ -4,8 +4,6 @@

struct jz4740_mmc_platform_data {
int gpio_power;
- int gpio_card_detect;
- int gpio_read_only;
unsigned card_detect_active_low:1;
unsigned read_only_active_low:1;
unsigned power_active_low:1;
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index c05dcf5ab414..273ef58f4d43 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -369,8 +369,8 @@ enum mm_32a_minor_op {
mm_ext_op = 0x02c,
mm_pool32axf_op = 0x03c,
mm_srl32_op = 0x040,
+ mm_srlv32_op = 0x050,
mm_sra_op = 0x080,
- mm_srlv32_op = 0x090,
mm_rotr_op = 0x0c0,
mm_lwxs_op = 0x118,
mm_addu32_op = 0x150,
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index af0c8ace0141..705593d40d12 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -43,7 +43,6 @@
#include "clock.h"

/* GPIOs */
-#define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
#define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)

#define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
@@ -386,12 +385,18 @@ static struct platform_device qi_lb60_gpio_keys = {
};

static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
- .gpio_card_detect = QI_LB60_GPIO_SD_CD,
- .gpio_read_only = -1,
.gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
.power_active_low = 1,
};

+static struct gpiod_lookup_table qi_lb60_mmc_gpio_table = {
+ .dev_id = "jz4740-mmc.0",
+ .table = {
+ GPIO_LOOKUP("GPIOD", 0, "cd", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
/* beeper */
static struct pwm_lookup qi_lb60_pwm_lookup[] = {
PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
@@ -500,6 +505,7 @@ static int __init qi_lb60_init_platform_devices(void)
gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
gpiod_add_lookup_table(&qi_lb60_spigpio_gpio_table);
+ gpiod_add_lookup_table(&qi_lb60_mmc_gpio_table);

spi_register_board_info(qi_lb60_spi_board_info,
ARRAY_SIZE(qi_lb60_spi_board_info));
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index 1f9cb0e3c79a..613d61763433 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -38,6 +38,7 @@ choice

config SOC_MT7620
bool "MT7620/8"
+ select CPU_MIPSR2_IRQ_VI
select HW_HAS_PCI

config SOC_MT7621
diff --git a/arch/nds32/mm/Makefile b/arch/nds32/mm/Makefile
index 6b6855852223..7c5c15ad854a 100644
--- a/arch/nds32/mm/Makefile
+++ b/arch/nds32/mm/Makefile
@@ -4,4 +4,8 @@ obj-y := extable.o tlb.o \

obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o
obj-$(CONFIG_HIGHMEM) += highmem.o
-CFLAGS_proc-n13.o += -fomit-frame-pointer
+
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_proc.o = $(CC_FLAGS_FTRACE)
+endif
+CFLAGS_proc.o += -fomit-frame-pointer
diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h
index 1e7a33592e29..15bc07a31c46 100644
--- a/arch/powerpc/include/asm/fadump.h
+++ b/arch/powerpc/include/asm/fadump.h
@@ -200,7 +200,7 @@ struct fad_crash_memory_ranges {
unsigned long long size;
};

-extern int is_fadump_boot_memory_area(u64 addr, ulong size);
+extern int is_fadump_memory_area(u64 addr, ulong size);
extern int early_init_dt_scan_fw_dump(unsigned long node,
const char *uname, int depth, void *data);
extern int fadump_reserve_mem(void);
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index bac225bb7f64..23bea99bf8d5 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -63,7 +63,7 @@ static inline int __access_ok(unsigned long addr, unsigned long size,
#endif

#define access_ok(type, addr, size) \
- (__chk_user_ptr(addr), \
+ (__chk_user_ptr(addr), (void)(type), \
__access_ok((__force unsigned long)(addr), (size), get_fs()))

/*
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index a711d22339ea..c02c95287a5f 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -118,13 +118,19 @@ int __init early_init_dt_scan_fw_dump(unsigned long node,

/*
* If fadump is registered, check if the memory provided
- * falls within boot memory area.
+ * falls within boot memory area and reserved memory area.
*/
-int is_fadump_boot_memory_area(u64 addr, ulong size)
+int is_fadump_memory_area(u64 addr, ulong size)
{
+ u64 d_start = fw_dump.reserve_dump_area_start;
+ u64 d_end = d_start + fw_dump.reserve_dump_area_size;
+
if (!fw_dump.dump_registered)
return 0;

+ if (((addr + size) > d_start) && (addr <= d_end))
+ return 1;
+
return (addr + size) > RMA_START && addr <= fw_dump.boot_memory_size;
}

diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 07ae018e550e..53016c753f3c 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -296,6 +296,10 @@ SECTIONS
#ifdef CONFIG_PPC32
.data : AT(ADDR(.data) - LOAD_OFFSET) {
DATA_DATA
+#ifdef CONFIG_UBSAN
+ *(.data..Lubsan_data*)
+ *(.data..Lubsan_type*)
+#endif
*(.data.rel*)
*(SDATA_MAIN)
*(.sdata2)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index eba5756d5b41..79b79408d92e 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -543,8 +543,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_CAP_SPAPR_TCE:
case KVM_CAP_SPAPR_TCE_64:
- /* fallthrough */
+ r = 1;
+ break;
case KVM_CAP_SPAPR_TCE_VFIO:
+ r = !!cpu_has_feature(CPU_FTR_HVMODE);
+ break;
case KVM_CAP_PPC_RTAS:
case KVM_CAP_PPC_FIXUP_HCALL:
case KVM_CAP_PPC_ENABLE_HCALL:
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index d51cf5f4e45e..365526ee29b8 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -221,7 +221,9 @@ static int mm_fault_error(struct pt_regs *regs, unsigned long addr,
static bool bad_kernel_fault(bool is_exec, unsigned long error_code,
unsigned long address)
{
- if (is_exec && (error_code & (DSISR_NOEXEC_OR_G | DSISR_KEYFAULT))) {
+ /* NX faults set DSISR_PROTFAULT on the 8xx, DSISR_NOEXEC_OR_G on others */
+ if (is_exec && (error_code & (DSISR_NOEXEC_OR_G | DSISR_KEYFAULT |
+ DSISR_PROTFAULT))) {
printk_ratelimited(KERN_CRIT "kernel tried to execute"
" exec-protected page (%lx) -"
"exploit attempt? (uid: %d)\n",
diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c
index 177de814286f..6a2f65d3d088 100644
--- a/arch/powerpc/perf/isa207-common.c
+++ b/arch/powerpc/perf/isa207-common.c
@@ -226,8 +226,13 @@ void isa207_get_mem_weight(u64 *weight)
u64 mmcra = mfspr(SPRN_MMCRA);
u64 exp = MMCRA_THR_CTR_EXP(mmcra);
u64 mantissa = MMCRA_THR_CTR_MANT(mmcra);
+ u64 sier = mfspr(SPRN_SIER);
+ u64 val = (sier & ISA207_SIER_TYPE_MASK) >> ISA207_SIER_TYPE_SHIFT;

- *weight = mantissa << (2 * exp);
+ if (val == 0 || val == 7)
+ *weight = 0;
+ else
+ *weight = mantissa << (2 * exp);
}

int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
index fe9691040f54..7639b2168755 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
@@ -299,7 +299,7 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
if (alloc_userspace_copy) {
offset = 0;
uas = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
- levels, tce_table_size, &offset,
+ tmplevels, tce_table_size, &offset,
&total_allocated_uas);
if (!uas)
goto free_tces_exit;
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index a0b20c03f078..e3010b14aea5 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -272,6 +272,8 @@ int dlpar_detach_node(struct device_node *dn)
if (rc)
return rc;

+ of_node_put(dn);
+
return 0;
}

diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index c1578f54c626..e4c658cda3a7 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -389,8 +389,11 @@ static bool lmb_is_removable(struct drmem_lmb *lmb)
phys_addr = lmb->base_addr;

#ifdef CONFIG_FA_DUMP
- /* Don't hot-remove memory that falls in fadump boot memory area */
- if (is_fadump_boot_memory_area(phys_addr, block_sz))
+ /*
+ * Don't hot-remove memory that falls in fadump boot memory area
+ * and memory that is reserved for capturing old kernel memory.
+ */
+ if (is_fadump_memory_area(phys_addr, block_sz))
return false;
#endif

diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 2bb1f3bb98ac..48c784f2101a 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -147,8 +147,8 @@ struct ica_xcRB {
* @cprb_len: CPRB header length [0x0020]
* @cprb_ver_id: CPRB version id. [0x04]
* @pad_000: Alignment pad bytes
- * @flags: Admin cmd [0x80] or functional cmd [0x00]
- * @func_id: Function id / subtype [0x5434]
+ * @flags: Admin bit [0x80], Special bit [0x20]
+ * @func_id: Function id / subtype [0x5434] "T4"
* @source_id: Source id [originator id]
* @target_id: Target id [usage/ctrl domain id]
* @ret_code: Return code
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index e59c577ed871..c70bc7809dda 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -25,7 +25,6 @@
#include <linux/memblock.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
-#include <linux/mtd/onenand.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_data/lv5207lp.h>
#include <linux/platform_device.h>
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 7485398d0737..9c04562310b3 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -197,12 +197,17 @@ static inline pte_t pte_mkold(pte_t pte)

static inline pte_t pte_wrprotect(pte_t pte)
{
- pte_clear_bits(pte, _PAGE_RW);
+ if (likely(pte_get_bits(pte, _PAGE_RW)))
+ pte_clear_bits(pte, _PAGE_RW);
+ else
+ return pte;
return(pte_mknewprot(pte));
}

static inline pte_t pte_mkread(pte_t pte)
{
+ if (unlikely(pte_get_bits(pte, _PAGE_USER)))
+ return pte;
pte_set_bits(pte, _PAGE_USER);
return(pte_mknewprot(pte));
}
@@ -221,6 +226,8 @@ static inline pte_t pte_mkyoung(pte_t pte)

static inline pte_t pte_mkwrite(pte_t pte)
{
+ if (unlikely(pte_get_bits(pte, _PAGE_RW)))
+ return pte;
pte_set_bits(pte, _PAGE_RW);
return(pte_mknewprot(pte));
}
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 155fa4b53c56..d0b186264941 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3439,6 +3439,11 @@ static void free_excl_cntrs(int cpu)
}

static void intel_pmu_cpu_dying(int cpu)
+{
+ fini_debug_store_on_cpu(cpu);
+}
+
+static void intel_pmu_cpu_dead(int cpu)
{
struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
struct intel_shared_regs *pc;
@@ -3451,8 +3456,6 @@ static void intel_pmu_cpu_dying(int cpu)
}

free_excl_cntrs(cpu);
-
- fini_debug_store_on_cpu(cpu);
}

static void intel_pmu_sched_task(struct perf_event_context *ctx,
@@ -3541,6 +3544,7 @@ static __initconst const struct x86_pmu core_pmu = {
.cpu_prepare = intel_pmu_cpu_prepare,
.cpu_starting = intel_pmu_cpu_starting,
.cpu_dying = intel_pmu_cpu_dying,
+ .cpu_dead = intel_pmu_cpu_dead,
};

static struct attribute *intel_pmu_attrs[];
@@ -3581,6 +3585,8 @@ static __initconst const struct x86_pmu intel_pmu = {
.cpu_prepare = intel_pmu_cpu_prepare,
.cpu_starting = intel_pmu_cpu_starting,
.cpu_dying = intel_pmu_cpu_dying,
+ .cpu_dead = intel_pmu_cpu_dead,
+
.guest_get_msrs = intel_guest_get_msrs,
.sched_task = intel_pmu_sched_task,
};
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index c07bee31abe8..b10e04387f38 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -1222,6 +1222,8 @@ static struct pci_driver snbep_uncore_pci_driver = {
.id_table = snbep_uncore_pci_ids,
};

+#define NODE_ID_MASK 0x7
+
/*
* build pci bus to socket mapping
*/
@@ -1243,7 +1245,7 @@ static int snbep_pci2phy_map_init(int devid, int nodeid_loc, int idmap_loc, bool
err = pci_read_config_dword(ubox_dev, nodeid_loc, &config);
if (err)
break;
- nodeid = config;
+ nodeid = config & NODE_ID_MASK;
/* get the Node ID mapping */
err = pci_read_config_dword(ubox_dev, idmap_loc, &config);
if (err)
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 69dcdf195b61..fa2c93cb42a2 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -106,6 +106,9 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu);
#define user_insn(insn, output, input...) \
({ \
int err; \
+ \
+ might_fault(); \
+ \
asm volatile(ASM_STAC "\n" \
"1:" #insn "\n\t" \
"2: " ASM_CLAC "\n" \
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 807d06a7acac..1e0c4c74195c 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -69,7 +69,7 @@ void __init check_bugs(void)
* identify_boot_cpu() initialized SMT support information, let the
* core code know.
*/
- cpu_smt_check_topology_early();
+ cpu_smt_check_topology();

if (!IS_ENABLED(CONFIG_SMP)) {
pr_info("CPU: ");
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index cdbedeb3f3db..f9e7096b1804 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -783,6 +783,7 @@ static int mce_no_way_out(struct mce *m, char **msg, unsigned long *validp,
quirk_no_way_out(i, m, regs);

if (mce_severity(m, mca_cfg.tolerant, &tmp, true) >= MCE_PANIC_SEVERITY) {
+ m->bank = i;
mce_read_aux(m, i);
*msg = tmp;
return 1;
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index f1d3fe5a0c65..02ac8fa0cd6d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -5837,6 +5837,13 @@ static bool svm_cpu_has_accelerated_tpr(void)

static bool svm_has_emulated_msr(int index)
{
+ switch (index) {
+ case MSR_IA32_MCG_EXT_CTL:
+ return false;
+ default:
+ break;
+ }
+
return true;
}

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 39a0e34ff676..0b2e13dd517b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -27,6 +27,7 @@
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/sched.h>
+#include <linux/sched/smt.h>
#include <linux/moduleparam.h>
#include <linux/mod_devicetable.h>
#include <linux/trace_events.h>
@@ -8469,6 +8470,7 @@ static void free_nested(struct vcpu_vmx *vmx)
if (!vmx->nested.vmxon && !vmx->nested.smm.vmxon)
return;

+ hrtimer_cancel(&vmx->nested.preemption_timer);
vmx->nested.vmxon = false;
vmx->nested.smm.vmxon = false;
free_vpid(vmx->nested.vpid02);
@@ -11128,7 +11130,7 @@ static int vmx_vm_init(struct kvm *kvm)
* Warn upon starting the first VM in a potentially
* insecure environment.
*/
- if (cpu_smt_control == CPU_SMT_ENABLED)
+ if (sched_smt_active())
pr_warn_once(L1TF_MSG_SMT);
if (l1tf_vmx_mitigation == VMENTER_L1D_FLUSH_NEVER)
pr_warn_once(L1TF_MSG_L1D);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5a9a3ebe8fba..3a7cf7c6b28a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4904,6 +4904,13 @@ int kvm_read_guest_virt(struct kvm_vcpu *vcpu,
{
u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;

+ /*
+ * FIXME: this should call handle_emulation_failure if X86EMUL_IO_NEEDED
+ * is returned, but our callers are not ready for that and they blindly
+ * call kvm_inject_page_fault. Ensure that they at least do not leak
+ * uninitialized kernel stack memory into cr2 and error code.
+ */
+ memset(exception, 0, sizeof(*exception));
return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access,
exception);
}
diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c
index 526536c81ddc..ca1e8e6dccc8 100644
--- a/arch/x86/pci/broadcom_bus.c
+++ b/arch/x86/pci/broadcom_bus.c
@@ -50,8 +50,8 @@ static void __init cnb20le_res(u8 bus, u8 slot, u8 func)
word1 = read_pci_config_16(bus, slot, func, 0xc0);
word2 = read_pci_config_16(bus, slot, func, 0xc2);
if (word1 != word2) {
- res.start = (word1 << 16) | 0x0000;
- res.end = (word2 << 16) | 0xffff;
+ res.start = ((resource_size_t) word1 << 16) | 0x0000;
+ res.end = ((resource_size_t) word2 << 16) | 0xffff;
res.flags = IORESOURCE_MEM;
update_res(info, res.start, res.end, res.flags, 0);
}
diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi
index 1090528825ec..e46ae07bab05 100644
--- a/arch/xtensa/boot/dts/xtfpga.dtsi
+++ b/arch/xtensa/boot/dts/xtfpga.dtsi
@@ -103,7 +103,7 @@
};
};

- spi0: spi-master@0d0a0000 {
+ spi0: spi@0d0a0000 {
compatible = "cdns,xtfpga-spi";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 59e32623a7ce..0fb9586766a7 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1056,7 +1056,8 @@ config CRYPTO_AES_TI
8 for decryption), this implementation only uses just two S-boxes of
256 bytes each, and attempts to eliminate data dependent latencies by
prefetching the entire table into the cache at the start of each
- block.
+ block. Interrupts are also disabled to avoid races where cachelines
+ are evicted when the CPU is interrupted to do something else.

config CRYPTO_AES_586
tristate "AES cipher algorithms (i586)"
diff --git a/crypto/aes_ti.c b/crypto/aes_ti.c
index 03023b2290e8..1ff9785b30f5 100644
--- a/crypto/aes_ti.c
+++ b/crypto/aes_ti.c
@@ -269,6 +269,7 @@ static void aesti_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
const u32 *rkp = ctx->key_enc + 4;
int rounds = 6 + ctx->key_length / 4;
u32 st0[4], st1[4];
+ unsigned long flags;
int round;

st0[0] = ctx->key_enc[0] ^ get_unaligned_le32(in);
@@ -276,6 +277,12 @@ static void aesti_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
st0[2] = ctx->key_enc[2] ^ get_unaligned_le32(in + 8);
st0[3] = ctx->key_enc[3] ^ get_unaligned_le32(in + 12);

+ /*
+ * Temporarily disable interrupts to avoid races where cachelines are
+ * evicted when the CPU is interrupted to do something else.
+ */
+ local_irq_save(flags);
+
st0[0] ^= __aesti_sbox[ 0] ^ __aesti_sbox[128];
st0[1] ^= __aesti_sbox[32] ^ __aesti_sbox[160];
st0[2] ^= __aesti_sbox[64] ^ __aesti_sbox[192];
@@ -300,6 +307,8 @@ static void aesti_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
put_unaligned_le32(subshift(st1, 1) ^ rkp[5], out + 4);
put_unaligned_le32(subshift(st1, 2) ^ rkp[6], out + 8);
put_unaligned_le32(subshift(st1, 3) ^ rkp[7], out + 12);
+
+ local_irq_restore(flags);
}

static void aesti_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
@@ -308,6 +317,7 @@ static void aesti_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
const u32 *rkp = ctx->key_dec + 4;
int rounds = 6 + ctx->key_length / 4;
u32 st0[4], st1[4];
+ unsigned long flags;
int round;

st0[0] = ctx->key_dec[0] ^ get_unaligned_le32(in);
@@ -315,6 +325,12 @@ static void aesti_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
st0[2] = ctx->key_dec[2] ^ get_unaligned_le32(in + 8);
st0[3] = ctx->key_dec[3] ^ get_unaligned_le32(in + 12);

+ /*
+ * Temporarily disable interrupts to avoid races where cachelines are
+ * evicted when the CPU is interrupted to do something else.
+ */
+ local_irq_save(flags);
+
st0[0] ^= __aesti_inv_sbox[ 0] ^ __aesti_inv_sbox[128];
st0[1] ^= __aesti_inv_sbox[32] ^ __aesti_inv_sbox[160];
st0[2] ^= __aesti_inv_sbox[64] ^ __aesti_inv_sbox[192];
@@ -339,6 +355,8 @@ static void aesti_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
put_unaligned_le32(inv_subshift(st1, 1) ^ rkp[5], out + 4);
put_unaligned_le32(inv_subshift(st1, 2) ^ rkp[6], out + 8);
put_unaligned_le32(inv_subshift(st1, 3) ^ rkp[7], out + 12);
+
+ local_irq_restore(flags);
}

static struct crypto_alg aes_alg = {
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 02c6fd9caff7..f008ba7c9ced 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -691,6 +691,8 @@ static void __ghes_panic(struct ghes *ghes)
{
__ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus);

+ ghes_clear_estatus(ghes);
+
/* reboot to log the error! */
if (!panic_timeout)
panic_timeout = ghes_panic_timeout;
diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index 9d52743080a4..c336784d0bcb 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -148,6 +148,13 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
}

switch (table->baud_rate) {
+ case 0:
+ /*
+ * SPCR 1.04 defines 0 as a preconfigured state of UART.
+ * Assume firmware or bootloader configures console correctly.
+ */
+ baud_rate = 0;
+ break;
case 3:
baud_rate = 9600;
break;
@@ -196,6 +203,10 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
* UART so don't attempt to change to the baud rate state
* in the table because driver cannot calculate the dividers
*/
+ baud_rate = 0;
+ }
+
+ if (!baud_rate) {
snprintf(opts, sizeof(opts), "%s,%s,0x%llx", uart, iotype,
table->serial_port.address);
} else {
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 10ecb232245d..03867f539f3a 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -895,7 +895,9 @@ static int sata_rcar_probe(struct platform_device *pdev)
int ret = 0;

irq = platform_get_irq(pdev, 0);
- if (irq <= 0)
+ if (irq < 0)
+ return irq;
+ if (!irq)
return -EINVAL;

priv = devm_kzalloc(dev, sizeof(struct sata_rcar_priv), GFP_KERNEL);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 585e2e1c9c8f..e06a57936cc9 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -614,8 +614,10 @@ static void remove_probe_files(struct bus_type *bus)
static ssize_t uevent_store(struct device_driver *drv, const char *buf,
size_t count)
{
- kobject_synth_uevent(&drv->p->kobj, buf, count);
- return count;
+ int rc;
+
+ rc = kobject_synth_uevent(&drv->p->kobj, buf, count);
+ return rc ? rc : count;
}
static DRIVER_ATTR_WO(uevent);

@@ -831,8 +833,10 @@ static void klist_devices_put(struct klist_node *n)
static ssize_t bus_uevent_store(struct bus_type *bus,
const char *buf, size_t count)
{
- kobject_synth_uevent(&bus->p->subsys.kobj, buf, count);
- return count;
+ int rc;
+
+ rc = kobject_synth_uevent(&bus->p->subsys.kobj, buf, count);
+ return rc ? rc : count;
}
static BUS_ATTR(uevent, S_IWUSR, NULL, bus_uevent_store);

diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 5d5b5988e88b..dd6a6850cb45 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -79,8 +79,7 @@ static void cache_size(struct cacheinfo *this_leaf, struct device_node *np)
ct_idx = get_cacheinfo_idx(this_leaf->type);
propname = cache_type_info[ct_idx].size_prop;

- if (of_property_read_u32(np, propname, &this_leaf->size))
- this_leaf->size = 0;
+ of_property_read_u32(np, propname, &this_leaf->size);
}

/* not cache_line_size() because that's a macro in include/linux/cache.h */
@@ -114,8 +113,7 @@ static void cache_nr_sets(struct cacheinfo *this_leaf, struct device_node *np)
ct_idx = get_cacheinfo_idx(this_leaf->type);
propname = cache_type_info[ct_idx].nr_sets_prop;

- if (of_property_read_u32(np, propname, &this_leaf->number_of_sets))
- this_leaf->number_of_sets = 0;
+ of_property_read_u32(np, propname, &this_leaf->number_of_sets);
}

static void cache_associativity(struct cacheinfo *this_leaf)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 04bbcd779e11..92e2c32c2227 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1067,8 +1067,14 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr,
static ssize_t uevent_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- if (kobject_synth_uevent(&dev->kobj, buf, count))
+ int rc;
+
+ rc = kobject_synth_uevent(&dev->kobj, buf, count);
+
+ if (rc) {
dev_err(dev, "uevent: failed to send synthetic uevent\n");
+ return rc;
+ }

return count;
}
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 2607f859881a..7caa1adaf62a 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -926,9 +926,6 @@ static void __device_release_driver(struct device *dev, struct device *parent)

drv = dev->driver;
if (drv) {
- if (driver_allows_async_probing(drv))
- async_synchronize_full();
-
while (device_links_busy(dev)) {
device_unlock(dev);
if (parent && dev->bus->need_parent_lock)
@@ -1034,6 +1031,9 @@ void driver_detach(struct device_driver *drv)
struct device_private *dev_prv;
struct device *dev;

+ if (driver_allows_async_probing(drv))
+ async_synchronize_full();
+
for (;;) {
spin_lock(&drv->p->klist_devices.k_lock);
if (list_empty(&drv->p->klist_devices.k_list)) {
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index f98a097e73f2..d68b52cf9225 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -24,8 +24,14 @@ struct devres_node {

struct devres {
struct devres_node node;
- /* -- 3 pointers */
- unsigned long long data[]; /* guarantee ull alignment */
+ /*
+ * Some archs want to perform DMA into kmalloc caches
+ * and need a guaranteed alignment larger than
+ * the alignment of a 64-bit integer.
+ * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same
+ * buffer alignment as if it was allocated by plain kmalloc().
+ */
+ u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
};

struct devres_group {
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index b4f02768ba47..319fabdd63a3 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -668,14 +668,15 @@ drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int for
if (rv == SS_TWO_PRIMARIES) {
/* Maybe the peer is detected as dead very soon...
retry at most once more in this case. */
- int timeo;
- rcu_read_lock();
- nc = rcu_dereference(connection->net_conf);
- timeo = nc ? (nc->ping_timeo + 1) * HZ / 10 : 1;
- rcu_read_unlock();
- schedule_timeout_interruptible(timeo);
- if (try < max_tries)
+ if (try < max_tries) {
+ int timeo;
try = max_tries - 1;
+ rcu_read_lock();
+ nc = rcu_dereference(connection->net_conf);
+ timeo = nc ? (nc->ping_timeo + 1) * HZ / 10 : 1;
+ rcu_read_unlock();
+ schedule_timeout_interruptible(timeo);
+ }
continue;
}
if (rv < SS_SUCCESS) {
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 75f6b47169e6..cb919b964066 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3364,7 +3364,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,
enum drbd_conns rv = C_MASK;
enum drbd_disk_state mydisk;
struct net_conf *nc;
- int hg, rule_nr, rr_conflict, tentative;
+ int hg, rule_nr, rr_conflict, tentative, always_asbp;

mydisk = device->state.disk;
if (mydisk == D_NEGOTIATING)
@@ -3415,8 +3415,12 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,

rcu_read_lock();
nc = rcu_dereference(peer_device->connection->net_conf);
+ always_asbp = nc->always_asbp;
+ rr_conflict = nc->rr_conflict;
+ tentative = nc->tentative;
+ rcu_read_unlock();

- if (hg == 100 || (hg == -100 && nc->always_asbp)) {
+ if (hg == 100 || (hg == -100 && always_asbp)) {
int pcount = (device->state.role == R_PRIMARY)
+ (peer_role == R_PRIMARY);
int forced = (hg == -100);
@@ -3455,9 +3459,6 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,
"Sync from %s node\n",
(hg < 0) ? "peer" : "this");
}
- rr_conflict = nc->rr_conflict;
- tentative = nc->tentative;
- rcu_read_unlock();

if (hg == -100) {
/* FIXME this log message is not correct if we end up here
@@ -4141,7 +4142,7 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info
kfree(device->p_uuid);
device->p_uuid = p_uuid;

- if (device->state.conn < C_CONNECTED &&
+ if ((device->state.conn < C_CONNECTED || device->state.pdsk == D_DISKLESS) &&
device->state.disk < D_INCONSISTENT &&
device->state.role == R_PRIMARY &&
(device->ed_uuid & ~((u64)1)) != (p_uuid[UI_CURRENT] & ~((u64)1))) {
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index f68e9baffad7..5d7024057540 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -45,6 +45,8 @@ MODULE_VERSION(DRV_MODULE_VERSION);
#define WAITING_FOR_GEN_CMD 0x04
#define WAITING_FOR_ANY -1

+#define VDC_MAX_RETRIES 10
+
static struct workqueue_struct *sunvdc_wq;

struct vdc_req_entry {
@@ -431,6 +433,7 @@ static int __vdc_tx_trigger(struct vdc_port *port)
.end_idx = dr->prod,
};
int err, delay;
+ int retries = 0;

hdr.seq = dr->snd_nxt;
delay = 1;
@@ -443,6 +446,8 @@ static int __vdc_tx_trigger(struct vdc_port *port)
udelay(delay);
if ((delay <<= 1) > 128)
delay = 128;
+ if (retries++ > VDC_MAX_RETRIES)
+ break;
} while (err == -EAGAIN);

if (err == -ENOTCONN)
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 469541c1e51e..20907a0a043b 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -1026,7 +1026,11 @@ static void floppy_release(struct gendisk *disk, fmode_t mode)
struct swim3 __iomem *sw = fs->swim3;

mutex_lock(&swim3_mutex);
- if (fs->ref_count > 0 && --fs->ref_count == 0) {
+ if (fs->ref_count > 0)
+ --fs->ref_count;
+ else if (fs->ref_count == -1)
+ fs->ref_count = 0;
+ if (fs->ref_count == 0) {
swim3_action(fs, MOTOR_OFF);
out_8(&sw->control_bic, 0xff);
swim3_select(fs, RELAX);
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index e19bf0a750cf..a65505db09e5 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -53,6 +53,11 @@ static size_t huge_class_size;

static void zram_free_page(struct zram *zram, size_t index);

+static int zram_slot_trylock(struct zram *zram, u32 index)
+{
+ return bit_spin_trylock(ZRAM_LOCK, &zram->table[index].value);
+}
+
static void zram_slot_lock(struct zram *zram, u32 index)
{
bit_spin_lock(ZRAM_LOCK, &zram->table[index].value);
@@ -401,7 +406,6 @@ static ssize_t backing_dev_store(struct device *dev,
goto out;

reset_bdev(zram);
- spin_lock_init(&zram->bitmap_lock);

zram->old_block_size = old_block_size;
zram->bdev = bdev;
@@ -445,29 +449,24 @@ static ssize_t backing_dev_store(struct device *dev,

static unsigned long get_entry_bdev(struct zram *zram)
{
- unsigned long entry;
-
- spin_lock(&zram->bitmap_lock);
+ unsigned long blk_idx = 1;
+retry:
/* skip 0 bit to confuse zram.handle = 0 */
- entry = find_next_zero_bit(zram->bitmap, zram->nr_pages, 1);
- if (entry == zram->nr_pages) {
- spin_unlock(&zram->bitmap_lock);
+ blk_idx = find_next_zero_bit(zram->bitmap, zram->nr_pages, blk_idx);
+ if (blk_idx == zram->nr_pages)
return 0;
- }

- set_bit(entry, zram->bitmap);
- spin_unlock(&zram->bitmap_lock);
+ if (test_and_set_bit(blk_idx, zram->bitmap))
+ goto retry;

- return entry;
+ return blk_idx;
}

static void put_entry_bdev(struct zram *zram, unsigned long entry)
{
int was_set;

- spin_lock(&zram->bitmap_lock);
was_set = test_and_clear_bit(entry, zram->bitmap);
- spin_unlock(&zram->bitmap_lock);
WARN_ON_ONCE(!was_set);
}

@@ -888,9 +887,10 @@ static ssize_t debug_stat_show(struct device *dev,

down_read(&zram->init_lock);
ret = scnprintf(buf, PAGE_SIZE,
- "version: %d\n%8llu\n",
+ "version: %d\n%8llu %8llu\n",
version,
- (u64)atomic64_read(&zram->stats.writestall));
+ (u64)atomic64_read(&zram->stats.writestall),
+ (u64)atomic64_read(&zram->stats.miss_free));
up_read(&zram->init_lock);

return ret;
@@ -1402,10 +1402,14 @@ static void zram_slot_free_notify(struct block_device *bdev,

zram = bdev->bd_disk->private_data;

- zram_slot_lock(zram, index);
+ atomic64_inc(&zram->stats.notify_free);
+ if (!zram_slot_trylock(zram, index)) {
+ atomic64_inc(&zram->stats.miss_free);
+ return;
+ }
+
zram_free_page(zram, index);
zram_slot_unlock(zram, index);
- atomic64_inc(&zram->stats.notify_free);
}

static int zram_rw_page(struct block_device *bdev, sector_t sector,
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index 72c8584b6dff..d1095dfdffa8 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -79,6 +79,7 @@ struct zram_stats {
atomic64_t pages_stored; /* no. of pages currently stored */
atomic_long_t max_used_pages; /* no. of maximum pages stored */
atomic64_t writestall; /* no. of write slow paths */
+ atomic64_t miss_free; /* no. of missed free */
};

struct zram {
@@ -110,7 +111,6 @@ struct zram {
unsigned int old_block_size;
unsigned long *bitmap;
unsigned long nr_pages;
- spinlock_t bitmap_lock;
#endif
#ifdef CONFIG_ZRAM_MEMORY_TRACKING
struct dentry *debugfs_dir;
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index ddbd8c6a0ceb..800132369134 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -907,6 +907,10 @@ static int bcm_get_resources(struct bcm_device *dev)

dev->clk = devm_clk_get(dev->dev, NULL);

+ /* Handle deferred probing */
+ if (dev->clk == ERR_PTR(-EPROBE_DEFER))
+ return PTR_ERR(dev->clk);
+
dev->device_wakeup = devm_gpiod_get_optional(dev->dev, "device-wakeup",
GPIOD_OUT_LOW);
if (IS_ERR(dev->device_wakeup))
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index ae3a7537cf0f..72cd96a8eb19 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -889,6 +889,7 @@ static void __exit exit_gdrom(void)
platform_device_unregister(pd);
platform_driver_unregister(&gdrom_driver);
kfree(gd.toc);
+ kfree(gd.cd_info);
}

module_init(init_gdrom);
diff --git a/drivers/clk/imgtec/clk-boston.c b/drivers/clk/imgtec/clk-boston.c
index 15af423cc0c9..f5d54a64d33c 100644
--- a/drivers/clk/imgtec/clk-boston.c
+++ b/drivers/clk/imgtec/clk-boston.c
@@ -73,27 +73,32 @@ static void __init clk_boston_setup(struct device_node *np)
hw = clk_hw_register_fixed_rate(NULL, "input", NULL, 0, in_freq);
if (IS_ERR(hw)) {
pr_err("failed to register input clock: %ld\n", PTR_ERR(hw));
- return;
+ goto error;
}
onecell->hws[BOSTON_CLK_INPUT] = hw;

hw = clk_hw_register_fixed_rate(NULL, "sys", "input", 0, sys_freq);
if (IS_ERR(hw)) {
pr_err("failed to register sys clock: %ld\n", PTR_ERR(hw));
- return;
+ goto error;
}
onecell->hws[BOSTON_CLK_SYS] = hw;

hw = clk_hw_register_fixed_rate(NULL, "cpu", "input", 0, cpu_freq);
if (IS_ERR(hw)) {
pr_err("failed to register cpu clock: %ld\n", PTR_ERR(hw));
- return;
+ goto error;
}
onecell->hws[BOSTON_CLK_CPU] = hw;

err = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, onecell);
if (err)
pr_err("failed to add DT provider: %d\n", err);
+
+ return;
+
+error:
+ kfree(onecell);
}

/*
diff --git a/drivers/clk/imx/clk-imx6sl.c b/drivers/clk/imx/clk-imx6sl.c
index eb6bcbf345a3..390e3e0ecc45 100644
--- a/drivers/clk/imx/clk-imx6sl.c
+++ b/drivers/clk/imx/clk-imx6sl.c
@@ -17,6 +17,8 @@

#include "clk.h"

+#define CCDR 0x4
+#define BM_CCM_CCDR_MMDC_CH0_MASK (1 << 17)
#define CCSR 0xc
#define BM_CCSR_PLL1_SW_CLK_SEL (1 << 2)
#define CACRR 0x10
@@ -409,6 +411,10 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
clks[IMX6SL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
clks[IMX6SL_CLK_USDHC4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);

+ /* Ensure the MMDC CH0 handshake is bypassed */
+ writel_relaxed(readl_relaxed(base + CCDR) |
+ BM_CCM_CCDR_MMDC_CH0_MASK, base + CCDR);
+
imx_check_clocks(clks, ARRAY_SIZE(clks));

clk_data.clks = clks;
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 50060e895e7a..9d79ff857d83 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -583,7 +583,7 @@ static struct clk_regmap meson8b_cpu_scale_div = {
.data = &(struct clk_regmap_div_data){
.offset = HHI_SYS_CPU_CLK_CNTL1,
.shift = 20,
- .width = 9,
+ .width = 10,
.table = cpu_scale_table,
.flags = CLK_DIVIDER_ALLOW_ZERO,
},
@@ -596,20 +596,27 @@ static struct clk_regmap meson8b_cpu_scale_div = {
},
};

+static u32 mux_table_cpu_scale_out_sel[] = { 0, 1, 3 };
static struct clk_regmap meson8b_cpu_scale_out_sel = {
.data = &(struct clk_regmap_mux_data){
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x3,
.shift = 2,
+ .table = mux_table_cpu_scale_out_sel,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_scale_out_sel",
.ops = &clk_regmap_mux_ro_ops,
+ /*
+ * NOTE: We are skipping the parent with value 0x2 (which is
+ * "cpu_div3") because it results in a duty cycle of 33% which
+ * makes the system unstable and can result in a lockup of the
+ * whole system.
+ */
.parent_names = (const char *[]) { "cpu_in_sel",
"cpu_div2",
- "cpu_div3",
"cpu_scale_div" },
- .num_parents = 4,
+ .num_parents = 3,
.flags = CLK_SET_RATE_PARENT,
},
};
@@ -627,7 +634,8 @@ static struct clk_regmap meson8b_cpu_clk = {
"cpu_scale_out_sel" },
.num_parents = 2,
.flags = (CLK_SET_RATE_PARENT |
- CLK_SET_RATE_NO_REPARENT),
+ CLK_SET_RATE_NO_REPARENT |
+ CLK_IS_CRITICAL),
},
};

diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
index 13eb5b23c5e7..c40d572a7602 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c
@@ -366,10 +366,10 @@ static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents, 0x0a4,
static const char * const i2s_parents[] = { "pll-audio-8x", "pll-audio-4x",
"pll-audio-2x", "pll-audio" };
static SUNXI_CCU_MUX_WITH_GATE(i2s0_clk, "i2s0", i2s_parents,
- 0x0b0, 16, 2, BIT(31), 0);
+ 0x0b0, 16, 2, BIT(31), CLK_SET_RATE_PARENT);

static SUNXI_CCU_MUX_WITH_GATE(i2s1_clk, "i2s1", i2s_parents,
- 0x0b4, 16, 2, BIT(31), 0);
+ 0x0b4, 16, 2, BIT(31), CLK_SET_RATE_PARENT);

/* TODO: the parent for most of the USB clocks is not known */
static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
@@ -446,7 +446,7 @@ static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
static SUNXI_CCU_GATE(ac_dig_clk, "ac-dig", "pll-audio",
0x140, BIT(31), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(ac_dig_4x_clk, "ac-dig-4x", "pll-audio-4x",
- 0x140, BIT(30), 0);
+ 0x140, BIT(30), CLK_SET_RATE_PARENT);
static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M",
0x144, BIT(31), 0);

diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c
index db2ede565f1a..b44476a1b7ad 100644
--- a/drivers/cpuidle/cpuidle-big_little.c
+++ b/drivers/cpuidle/cpuidle-big_little.c
@@ -167,6 +167,7 @@ static int __init bl_idle_init(void)
{
int ret;
struct device_node *root = of_find_node_by_path("/");
+ const struct of_device_id *match_id;

if (!root)
return -ENODEV;
@@ -174,7 +175,11 @@ static int __init bl_idle_init(void)
/*
* Initialize the driver just for a compliant set of machines
*/
- if (!of_match_node(compatible_machine_match, root))
+ match_id = of_match_node(compatible_machine_match, root);
+
+ of_node_put(root);
+
+ if (!match_id)
return -ENODEV;

if (!mcpm_is_available())
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index d2663a4e1f5e..a92a66b1ff46 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -556,7 +556,7 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx,
desc = dmaengine_prep_slave_sg(channel,
ctx->device->dma.sg_src,
ctx->device->dma.sg_src_len,
- direction, DMA_CTRL_ACK);
+ DMA_MEM_TO_DEV, DMA_CTRL_ACK);
break;

case DMA_FROM_DEVICE:
@@ -580,7 +580,7 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx,
desc = dmaengine_prep_slave_sg(channel,
ctx->device->dma.sg_dst,
ctx->device->dma.sg_dst_len,
- direction,
+ DMA_DEV_TO_MEM,
DMA_CTRL_ACK |
DMA_PREP_INTERRUPT);

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 633321a8dd03..a0bb8a6eec3f 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -166,7 +166,7 @@ static int hash_set_dma_transfer(struct hash_ctx *ctx, struct scatterlist *sg,
__func__);
desc = dmaengine_prep_slave_sg(channel,
ctx->device->dma.sg, ctx->device->dma.sg_len,
- direction, DMA_CTRL_ACK | DMA_PREP_INTERRUPT);
+ DMA_MEM_TO_DEV, DMA_CTRL_ACK | DMA_PREP_INTERRUPT);
if (!desc) {
dev_err(ctx->device->dev,
"%s: dmaengine_prep_slave_sg() failed!\n", __func__);
diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 847f84a41a69..2b11d967acd0 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -415,38 +415,32 @@ static void bcm2835_dma_fill_cb_chain_with_sg(
}
}

-static int bcm2835_dma_abort(void __iomem *chan_base)
+static int bcm2835_dma_abort(struct bcm2835_chan *c)
{
- unsigned long cs;
+ void __iomem *chan_base = c->chan_base;
long int timeout = 10000;

- cs = readl(chan_base + BCM2835_DMA_CS);
- if (!(cs & BCM2835_DMA_ACTIVE))
+ /*
+ * A zero control block address means the channel is idle.
+ * (The ACTIVE flag in the CS register is not a reliable indicator.)
+ */
+ if (!readl(chan_base + BCM2835_DMA_ADDR))
return 0;

/* Write 0 to the active bit - Pause the DMA */
writel(0, chan_base + BCM2835_DMA_CS);

/* Wait for any current AXI transfer to complete */
- while ((cs & BCM2835_DMA_ISPAUSED) && --timeout) {
+ while ((readl(chan_base + BCM2835_DMA_CS) &
+ BCM2835_DMA_WAITING_FOR_WRITES) && --timeout)
cpu_relax();
- cs = readl(chan_base + BCM2835_DMA_CS);
- }

- /* We'll un-pause when we set of our next DMA */
+ /* Peripheral might be stuck and fail to signal AXI write responses */
if (!timeout)
- return -ETIMEDOUT;
-
- if (!(cs & BCM2835_DMA_ACTIVE))
- return 0;
-
- /* Terminate the control block chain */
- writel(0, chan_base + BCM2835_DMA_NEXTCB);
-
- /* Abort the whole DMA */
- writel(BCM2835_DMA_ABORT | BCM2835_DMA_ACTIVE,
- chan_base + BCM2835_DMA_CS);
+ dev_err(c->vc.chan.device->dev,
+ "failed to complete outstanding writes\n");

+ writel(BCM2835_DMA_RESET, chan_base + BCM2835_DMA_CS);
return 0;
}

@@ -485,8 +479,15 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data)

spin_lock_irqsave(&c->vc.lock, flags);

- /* Acknowledge interrupt */
- writel(BCM2835_DMA_INT, c->chan_base + BCM2835_DMA_CS);
+ /*
+ * Clear the INT flag to receive further interrupts. Keep the channel
+ * active in case the descriptor is cyclic or in case the client has
+ * already terminated the descriptor and issued a new one. (May happen
+ * if this IRQ handler is threaded.) If the channel is finished, it
+ * will remain idle despite the ACTIVE flag being set.
+ */
+ writel(BCM2835_DMA_INT | BCM2835_DMA_ACTIVE,
+ c->chan_base + BCM2835_DMA_CS);

d = c->desc;

@@ -494,11 +495,7 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data)
if (d->cyclic) {
/* call the cyclic callback */
vchan_cyclic_callback(&d->vd);
-
- /* Keep the DMA engine running */
- writel(BCM2835_DMA_ACTIVE,
- c->chan_base + BCM2835_DMA_CS);
- } else {
+ } else if (!readl(c->chan_base + BCM2835_DMA_ADDR)) {
vchan_cookie_complete(&c->desc->vd);
bcm2835_dma_start_desc(c);
}
@@ -796,7 +793,6 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
struct bcm2835_dmadev *d = to_bcm2835_dma_dev(c->vc.chan.device);
unsigned long flags;
- int timeout = 10000;
LIST_HEAD(head);

spin_lock_irqsave(&c->vc.lock, flags);
@@ -806,27 +802,11 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
list_del_init(&c->node);
spin_unlock(&d->lock);

- /*
- * Stop DMA activity: we assume the callback will not be called
- * after bcm_dma_abort() returns (even if it does, it will see
- * c->desc is NULL and exit.)
- */
+ /* stop DMA activity */
if (c->desc) {
vchan_terminate_vdesc(&c->desc->vd);
c->desc = NULL;
- bcm2835_dma_abort(c->chan_base);
-
- /* Wait for stopping */
- while (--timeout) {
- if (!(readl(c->chan_base + BCM2835_DMA_CS) &
- BCM2835_DMA_ACTIVE))
- break;
-
- cpu_relax();
- }
-
- if (!timeout)
- dev_err(d->ddev.dev, "DMA transfer could not be terminated\n");
+ bcm2835_dma_abort(c);
}

vchan_get_all_descriptors(&c->vc, &head);
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 75b6ff0415ee..118d371a2a4a 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -617,7 +617,7 @@ static void imxdma_tasklet(unsigned long data)
{
struct imxdma_channel *imxdmac = (void *)data;
struct imxdma_engine *imxdma = imxdmac->imxdma;
- struct imxdma_desc *desc;
+ struct imxdma_desc *desc, *next_desc;
unsigned long flags;

spin_lock_irqsave(&imxdma->lock, flags);
@@ -647,10 +647,10 @@ static void imxdma_tasklet(unsigned long data)
list_move_tail(imxdmac->ld_active.next, &imxdmac->ld_free);

if (!list_empty(&imxdmac->ld_queue)) {
- desc = list_first_entry(&imxdmac->ld_queue, struct imxdma_desc,
- node);
+ next_desc = list_first_entry(&imxdmac->ld_queue,
+ struct imxdma_desc, node);
list_move_tail(imxdmac->ld_queue.next, &imxdmac->ld_active);
- if (imxdma_xfer_desc(desc) < 0)
+ if (imxdma_xfer_desc(next_desc) < 0)
dev_warn(imxdma->dev, "%s: channel: %d couldn't xfer desc\n",
__func__, imxdmac->channel);
}
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index c74a88b65039..73de6a6179fc 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -163,7 +163,7 @@ struct zynqmp_dma_desc_ll {
u32 ctrl;
u64 nxtdscraddr;
u64 rsvd;
-}; __aligned(64)
+};

/**
* struct zynqmp_dma_desc_sw - Per Transaction structure
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 9336ffdf6e2c..fceaafd67ec6 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -318,7 +318,12 @@ EXPORT_SYMBOL_GPL(efivar_variable_is_removable);
static efi_status_t
check_var_size(u32 attributes, unsigned long size)
{
- const struct efivar_operations *fops = __efivars->ops;
+ const struct efivar_operations *fops;
+
+ if (!__efivars)
+ return EFI_UNSUPPORTED;
+
+ fops = __efivars->ops;

if (!fops->query_variable_store)
return EFI_UNSUPPORTED;
@@ -329,7 +334,12 @@ check_var_size(u32 attributes, unsigned long size)
static efi_status_t
check_var_size_nonblocking(u32 attributes, unsigned long size)
{
- const struct efivar_operations *fops = __efivars->ops;
+ const struct efivar_operations *fops;
+
+ if (!__efivars)
+ return EFI_UNSUPPORTED;
+
+ fops = __efivars->ops;

if (!fops->query_variable_store)
return EFI_UNSUPPORTED;
@@ -429,13 +439,18 @@ static void dup_variable_bug(efi_char16_t *str16, efi_guid_t *vendor_guid,
int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
void *data, bool duplicates, struct list_head *head)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
unsigned long variable_name_size = 1024;
efi_char16_t *variable_name;
efi_status_t status;
efi_guid_t vendor_guid;
int err = 0;

+ if (!__efivars)
+ return -EFAULT;
+
+ ops = __efivars->ops;
+
variable_name = kzalloc(variable_name_size, GFP_KERNEL);
if (!variable_name) {
printk(KERN_ERR "efivars: Memory allocation failed.\n");
@@ -583,12 +598,14 @@ static void efivar_entry_list_del_unlock(struct efivar_entry *entry)
*/
int __efivar_entry_delete(struct efivar_entry *entry)
{
- const struct efivar_operations *ops = __efivars->ops;
efi_status_t status;

- status = ops->set_variable(entry->var.VariableName,
- &entry->var.VendorGuid,
- 0, 0, NULL);
+ if (!__efivars)
+ return -EINVAL;
+
+ status = __efivars->ops->set_variable(entry->var.VariableName,
+ &entry->var.VendorGuid,
+ 0, 0, NULL);

return efi_status_to_err(status);
}
@@ -607,12 +624,17 @@ EXPORT_SYMBOL_GPL(__efivar_entry_delete);
*/
int efivar_entry_delete(struct efivar_entry *entry)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_status_t status;

if (down_interruptible(&efivars_lock))
return -EINTR;

+ if (!__efivars) {
+ up(&efivars_lock);
+ return -EINVAL;
+ }
+ ops = __efivars->ops;
status = ops->set_variable(entry->var.VariableName,
&entry->var.VendorGuid,
0, 0, NULL);
@@ -650,13 +672,19 @@ EXPORT_SYMBOL_GPL(efivar_entry_delete);
int efivar_entry_set(struct efivar_entry *entry, u32 attributes,
unsigned long size, void *data, struct list_head *head)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_status_t status;
efi_char16_t *name = entry->var.VariableName;
efi_guid_t vendor = entry->var.VendorGuid;

if (down_interruptible(&efivars_lock))
return -EINTR;
+
+ if (!__efivars) {
+ up(&efivars_lock);
+ return -EINVAL;
+ }
+ ops = __efivars->ops;
if (head && efivar_entry_find(name, vendor, head, false)) {
up(&efivars_lock);
return -EEXIST;
@@ -687,12 +715,17 @@ static int
efivar_entry_set_nonblocking(efi_char16_t *name, efi_guid_t vendor,
u32 attributes, unsigned long size, void *data)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_status_t status;

if (down_trylock(&efivars_lock))
return -EBUSY;

+ if (!__efivars) {
+ up(&efivars_lock);
+ return -EINVAL;
+ }
+
status = check_var_size_nonblocking(attributes,
size + ucs2_strsize(name, 1024));
if (status != EFI_SUCCESS) {
@@ -700,6 +733,7 @@ efivar_entry_set_nonblocking(efi_char16_t *name, efi_guid_t vendor,
return -ENOSPC;
}

+ ops = __efivars->ops;
status = ops->set_variable_nonblocking(name, &vendor, attributes,
size, data);

@@ -727,9 +761,13 @@ efivar_entry_set_nonblocking(efi_char16_t *name, efi_guid_t vendor,
int efivar_entry_set_safe(efi_char16_t *name, efi_guid_t vendor, u32 attributes,
bool block, unsigned long size, void *data)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_status_t status;

+ if (!__efivars)
+ return -EINVAL;
+
+ ops = __efivars->ops;
if (!ops->query_variable_store)
return -ENOSYS;

@@ -829,13 +867,18 @@ EXPORT_SYMBOL_GPL(efivar_entry_find);
*/
int efivar_entry_size(struct efivar_entry *entry, unsigned long *size)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_status_t status;

*size = 0;

if (down_interruptible(&efivars_lock))
return -EINTR;
+ if (!__efivars) {
+ up(&efivars_lock);
+ return -EINVAL;
+ }
+ ops = __efivars->ops;
status = ops->get_variable(entry->var.VariableName,
&entry->var.VendorGuid, NULL, size, NULL);
up(&efivars_lock);
@@ -861,12 +904,14 @@ EXPORT_SYMBOL_GPL(efivar_entry_size);
int __efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
unsigned long *size, void *data)
{
- const struct efivar_operations *ops = __efivars->ops;
efi_status_t status;

- status = ops->get_variable(entry->var.VariableName,
- &entry->var.VendorGuid,
- attributes, size, data);
+ if (!__efivars)
+ return -EINVAL;
+
+ status = __efivars->ops->get_variable(entry->var.VariableName,
+ &entry->var.VendorGuid,
+ attributes, size, data);

return efi_status_to_err(status);
}
@@ -882,14 +927,19 @@ EXPORT_SYMBOL_GPL(__efivar_entry_get);
int efivar_entry_get(struct efivar_entry *entry, u32 *attributes,
unsigned long *size, void *data)
{
- const struct efivar_operations *ops = __efivars->ops;
efi_status_t status;

if (down_interruptible(&efivars_lock))
return -EINTR;
- status = ops->get_variable(entry->var.VariableName,
- &entry->var.VendorGuid,
- attributes, size, data);
+
+ if (!__efivars) {
+ up(&efivars_lock);
+ return -EINVAL;
+ }
+
+ status = __efivars->ops->get_variable(entry->var.VariableName,
+ &entry->var.VendorGuid,
+ attributes, size, data);
up(&efivars_lock);

return efi_status_to_err(status);
@@ -921,7 +971,7 @@ EXPORT_SYMBOL_GPL(efivar_entry_get);
int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
unsigned long *size, void *data, bool *set)
{
- const struct efivar_operations *ops = __efivars->ops;
+ const struct efivar_operations *ops;
efi_char16_t *name = entry->var.VariableName;
efi_guid_t *vendor = &entry->var.VendorGuid;
efi_status_t status;
@@ -940,6 +990,11 @@ int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
if (down_interruptible(&efivars_lock))
return -EINTR;

+ if (!__efivars) {
+ err = -EINVAL;
+ goto out;
+ }
+
/*
* Ensure that the available space hasn't shrunk below the safe level
*/
@@ -956,6 +1011,8 @@ int efivar_entry_set_get_size(struct efivar_entry *entry, u32 attributes,
}
}

+ ops = __efivars->ops;
+
status = ops->set_variable(name, vendor, attributes, *size, data);
if (status != EFI_SUCCESS) {
err = efi_status_to_err(status);
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index 68e4b2b98c8f..7a42c194b944 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -403,6 +403,7 @@ static int altera_cvp_probe(struct pci_dev *pdev,
struct altera_cvp_conf *conf;
struct fpga_manager *mgr;
u16 cmd, val;
+ u32 regval;
int ret;

/*
@@ -416,6 +417,14 @@ static int altera_cvp_probe(struct pci_dev *pdev,
return -ENODEV;
}

+ pci_read_config_dword(pdev, VSE_CVP_STATUS, &regval);
+ if (!(regval & VSE_CVP_STATUS_CVP_EN)) {
+ dev_err(&pdev->dev,
+ "CVP is disabled for this device: CVP_STATUS Reg 0x%x\n",
+ regval);
+ return -ENODEV;
+ }
+
conf = devm_kzalloc(&pdev->dev, sizeof(*conf), GFP_KERNEL);
if (!conf)
return -ENOMEM;
@@ -471,7 +480,8 @@ static int altera_cvp_probe(struct pci_dev *pdev,
return 0;

err_unmap:
- pci_iounmap(pdev, conf->map);
+ if (conf->map)
+ pci_iounmap(pdev, conf->map);
pci_release_region(pdev, CVP_BAR);
err_disable:
cmd &= ~PCI_COMMAND_MEMORY;
@@ -486,7 +496,8 @@ static void altera_cvp_remove(struct pci_dev *pdev)
u16 cmd;

fpga_mgr_unregister(mgr);
- pci_iounmap(pdev, conf->map);
+ if (conf->map)
+ pci_iounmap(pdev, conf->map);
pci_release_region(pdev, CVP_BAR);
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
cmd &= ~PCI_COMMAND_MEMORY;
diff --git a/drivers/gpio/gpio-mt7621.c b/drivers/gpio/gpio-mt7621.c
index d72af6f6cdbd..00e954f22bc9 100644
--- a/drivers/gpio/gpio-mt7621.c
+++ b/drivers/gpio/gpio-mt7621.c
@@ -244,6 +244,8 @@ mediatek_gpio_bank_probe(struct device *dev,
rg->chip.of_xlate = mediatek_gpio_xlate;
rg->chip.label = devm_kasprintf(dev, GFP_KERNEL, "%s-bank%d",
dev_name(dev), bank);
+ if (!rg->chip.label)
+ return -ENOMEM;

ret = devm_gpiochip_add_data(dev, &rg->chip, mtk);
if (ret < 0) {
@@ -295,6 +297,7 @@ mediatek_gpio_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
struct mtk *mtk;
int i;
+ int ret;

mtk = devm_kzalloc(dev, sizeof(*mtk), GFP_KERNEL);
if (!mtk)
@@ -309,8 +312,11 @@ mediatek_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mtk);
mediatek_gpio_irq_chip.name = dev_name(dev);

- for (i = 0; i < MTK_BANK_CNT; i++)
- mediatek_gpio_bank_probe(dev, np, i);
+ for (i = 0; i < MTK_BANK_CNT; i++) {
+ ret = mediatek_gpio_bank_probe(dev, np, i);
+ if (ret)
+ return ret;
+ }

return 0;
}
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index b3ab6c428423..fd713326dcfc 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2279,6 +2279,12 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label)
unsigned long flags;
unsigned offset;

+ if (label) {
+ label = kstrdup_const(label, GFP_KERNEL);
+ if (!label)
+ return -ENOMEM;
+ }
+
spin_lock_irqsave(&gpio_lock, flags);

/* NOTE: gpio_request() can be called in early boot,
@@ -2289,6 +2295,7 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label)
desc_set_label(desc, label ? : "?");
status = 0;
} else {
+ kfree_const(label);
status = -EBUSY;
goto done;
}
@@ -2305,6 +2312,7 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label)

if (status < 0) {
desc_set_label(desc, NULL);
+ kfree_const(label);
clear_bit(FLAG_REQUESTED, &desc->flags);
goto done;
}
@@ -2400,6 +2408,7 @@ static bool gpiod_free_commit(struct gpio_desc *desc)
chip->free(chip, gpio_chip_hwgpio(desc));
spin_lock_irqsave(&gpio_lock, flags);
}
+ kfree_const(desc->label);
desc_set_label(desc, NULL);
clear_bit(FLAG_ACTIVE_LOW, &desc->flags);
clear_bit(FLAG_REQUESTED, &desc->flags);
@@ -3221,11 +3230,19 @@ EXPORT_SYMBOL_GPL(gpiod_cansleep);
* @desc: gpio to set the consumer name on
* @name: the new consumer name
*/
-void gpiod_set_consumer_name(struct gpio_desc *desc, const char *name)
+int gpiod_set_consumer_name(struct gpio_desc *desc, const char *name)
{
- VALIDATE_DESC_VOID(desc);
- /* Just overwrite whatever the previous name was */
- desc->label = name;
+ VALIDATE_DESC(desc);
+ if (name) {
+ name = kstrdup_const(name, GFP_KERNEL);
+ if (!name)
+ return -ENOMEM;
+ }
+
+ kfree_const(desc->label);
+ desc_set_label(desc, name);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(gpiod_set_consumer_name);

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 7c89785fd731..23a7ef97afdd 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -324,7 +324,7 @@ bool dc_link_is_dp_sink_present(struct dc_link *link)
{
enum gpio_result gpio_result;
uint32_t clock_pin = 0;
-
+ uint8_t retry = 0;
struct ddc *ddc;

enum connector_id connector_id =
@@ -353,11 +353,22 @@ bool dc_link_is_dp_sink_present(struct dc_link *link)
return present;
}

- /* Read GPIO: DP sink is present if both clock and data pins are zero */
- /* [anaumov] in DAL2, there was no check for GPIO failure */
-
- gpio_result = dal_gpio_get_value(ddc->pin_clock, &clock_pin);
- ASSERT(gpio_result == GPIO_RESULT_OK);
+ /*
+ * Read GPIO: DP sink is present if both clock and data pins are zero
+ *
+ * [W/A] plug-unplug DP cable, sometimes customer board has
+ * one short pulse on clk_pin(1V, < 1ms). DP will be config to HDMI/DVI
+ * then monitor can't br light up. Add retry 3 times
+ * But in real passive dongle, it need additional 3ms to detect
+ */
+ do {
+ gpio_result = dal_gpio_get_value(ddc->pin_clock, &clock_pin);
+ ASSERT(gpio_result == GPIO_RESULT_OK);
+ if (clock_pin)
+ udelay(1000);
+ else
+ break;
+ } while (retry++ < 3);

present = (gpio_result == GPIO_RESULT_OK) && !clock_pin;

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index a7553b6d59c2..05840f5bddd5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2240,7 +2240,8 @@ static void get_active_converter_info(
translate_dpcd_max_bpc(
hdmi_color_caps.bits.MAX_BITS_PER_COLOR_COMPONENT);

- link->dpcd_caps.dongle_caps.extendedCapValid = true;
+ if (link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk != 0)
+ link->dpcd_caps.dongle_caps.extendedCapValid = true;
}

break;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index ea6beccfd89d..87bf422f16be 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1917,6 +1917,8 @@ enum dc_status resource_map_pool_resources(
}
*/

+ calculate_phy_pix_clks(stream);
+
/* acquire new resources */
pipe_idx = acquire_first_free_pipe(&context->res_ctx, pool, stream);

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 0941f3c689bc..580e7e82034f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1268,10 +1268,19 @@ static void program_scaler(const struct dc *dc,
pipe_ctx->plane_res.scl_data.lb_params.depth,
&pipe_ctx->stream->bit_depth_params);

- if (pipe_ctx->stream_res.tg->funcs->set_overscan_blank_color)
+ if (pipe_ctx->stream_res.tg->funcs->set_overscan_blank_color) {
+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ color.color_r_cr = color.color_g_y;
+
pipe_ctx->stream_res.tg->funcs->set_overscan_blank_color(
pipe_ctx->stream_res.tg,
&color);
+ }

pipe_ctx->plane_res.xfm->funcs->transform_set_scaler(pipe_ctx->plane_res.xfm,
&pipe_ctx->plane_res.scl_data);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index cfcc54f2ce65..4058b59d9bea 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1190,7 +1190,8 @@ static bool dcn10_set_input_transfer_func(struct pipe_ctx *pipe_ctx,
tf = plane_state->in_transfer_func;

if (plane_state->gamma_correction &&
- !plane_state->gamma_correction->is_identity
+ !dpp_base->ctx->dc->debug.always_use_regamma
+ && !plane_state->gamma_correction->is_identity
&& dce_use_lut(plane_state->format))
dpp_base->funcs->dpp_program_input_lut(dpp_base, plane_state->gamma_correction);

@@ -2120,6 +2121,15 @@ static void dcn10_blank_pixel_data(
color_space = stream->output_color_space;
color_space_to_black_color(dc, color_space, &black_color);

+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ black_color.color_r_cr = black_color.color_g_y;
+
+
if (stream_res->tg->funcs->set_blank_color)
stream_res->tg->funcs->set_blank_color(
stream_res->tg,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 5b67f575cd34..45629f26dbc2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -1528,8 +1528,21 @@ static int polaris10_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
efuse = efuse >> 24;

if (hwmgr->chip_id == CHIP_POLARIS10) {
- min = 1000;
- max = 2300;
+ if (hwmgr->is_kicker) {
+ min = 1200;
+ max = 2500;
+ } else {
+ min = 1000;
+ max = 2300;
+ }
+ } else if (hwmgr->chip_id == CHIP_POLARIS11) {
+ if (hwmgr->is_kicker) {
+ min = 900;
+ max = 2100;
+ } else {
+ min = 1100;
+ max = 2100;
+ }
} else {
min = 1100;
max = 2100;
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index f77bff5aa307..23397c08be11 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -3192,7 +3192,7 @@ EXPORT_SYMBOL(drm_atomic_helper_suspend);
int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
struct drm_modeset_acquire_ctx *ctx)
{
- int i;
+ int i, ret;
struct drm_plane *plane;
struct drm_plane_state *new_plane_state;
struct drm_connector *connector;
@@ -3211,7 +3211,11 @@ int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
for_each_new_connector_in_state(state, connector, new_conn_state, i)
state->connectors[i].old_state = connector->state;

- return drm_atomic_commit(state);
+ ret = drm_atomic_commit(state);
+
+ state->acquire_ctx = NULL;
+
+ return ret;
}
EXPORT_SYMBOL(drm_atomic_helper_commit_duplicated_state);

diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index ba8cfe65c65b..e2f775d1c112 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -36,6 +36,8 @@
#include <drm/drmP.h>
#include "drm_legacy.h"

+#include <linux/nospec.h>
+
static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
struct drm_local_map *map)
{
@@ -1417,6 +1419,7 @@ int drm_legacy_freebufs(struct drm_device *dev, void *data,
idx, dma->buf_count - 1);
return -EINVAL;
}
+ idx = array_index_nospec(idx, dma->buf_count);
buf = dma->buflist[idx];
if (buf->file_priv != file_priv) {
DRM_ERROR("Process %d freeing buffer not owned\n",
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 14fc7c2a6bb7..c9962a36b86b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -331,7 +331,7 @@ static void dpu_encoder_phys_vid_vblank_irq(void *arg, int irq_idx)
if (hw_ctl && hw_ctl->ops.get_flush_register)
flush_register = hw_ctl->ops.get_flush_register(hw_ctl);

- if (flush_register == 0)
+ if (!(flush_register & hw_ctl->ops.get_pending_flush(hw_ctl)))
new_cnt = atomic_add_unless(&phys_enc->pending_kickoff_cnt,
-1, 0);
spin_unlock_irqrestore(phys_enc->enc_spinlock, lock_flags);
diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
index 41bec570c518..31205625c734 100644
--- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
@@ -17,7 +17,7 @@
* | |
* | |
* +---------+ | +----------+ | +----+
- * dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0pllbyte
+ * dsi0vco_clk ---| out_div |--o--| divl_3_0 |--o--| /8 |-- dsi0_phy_pll_out_byteclk
* +---------+ | +----------+ | +----+
* | |
* | | dsi0_pll_by_2_bit_clk
@@ -25,7 +25,7 @@
* | | +----+ | |\ dsi0_pclk_mux
* | |--| /2 |--o--| \ |
* | | +----+ | \ | +---------+
- * | --------------| |--o--| div_7_4 |-- dsi0pll
+ * | --------------| |--o--| div_7_4 |-- dsi0_phy_pll_out_dsiclk
* |------------------------------| / +---------+
* | +-----+ | /
* -----------| /4? |--o----------|/
@@ -690,7 +690,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm)

hws[num++] = hw;

- snprintf(clk_name, 32, "dsi%dpllbyte", pll_10nm->id);
+ snprintf(clk_name, 32, "dsi%d_phy_pll_out_byteclk", pll_10nm->id);
snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_10nm->id);

/* DSI Byte clock = VCO_CLK / OUT_DIV / BIT_DIV / 8 */
@@ -739,7 +739,7 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm)

hws[num++] = hw;

- snprintf(clk_name, 32, "dsi%dpll", pll_10nm->id);
+ snprintf(clk_name, 32, "dsi%d_phy_pll_out_dsiclk", pll_10nm->id);
snprintf(parent, 32, "dsi%d_pclk_mux", pll_10nm->id);

/* PIX CLK DIV : DIV_CTRL_7_4*/
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 3105965fc260..5a485489a1e2 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -147,7 +147,7 @@ static int cdn_dp_mailbox_validate_receive(struct cdn_dp_device *dp,
}

static int cdn_dp_mailbox_read_receive(struct cdn_dp_device *dp,
- u8 *buff, u8 buff_size)
+ u8 *buff, u16 buff_size)
{
u32 i;
int ret;
diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
index d5240b777a8f..adcdf946c365 100644
--- a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
+++ b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
@@ -168,6 +168,13 @@ static int sun8i_tcon_top_bind(struct device *dev, struct device *master,
goto err_assert_reset;
}

+ /*
+ * At least on H6, some registers have some bits set by default
+ * which may cause issues. Clear them here.
+ */
+ writel(0, regs + TCON_TOP_PORT_SEL_REG);
+ writel(0, regs + TCON_TOP_GATE_SRC_REG);
+
/*
* TCON TOP has two muxes, which select parent clock for each TCON TV
* channel clock. Parent could be either TCON TV or TVE clock. For now
diff --git a/drivers/gpu/drm/v3d/v3d_bo.c b/drivers/gpu/drm/v3d/v3d_bo.c
index 54d96518a131..a08766d39eab 100644
--- a/drivers/gpu/drm/v3d/v3d_bo.c
+++ b/drivers/gpu/drm/v3d/v3d_bo.c
@@ -293,6 +293,7 @@ v3d_prime_import_sg_table(struct drm_device *dev,
bo->resv = attach->dmabuf->resv;

bo->sgt = sgt;
+ obj->import_attach = attach;
v3d_bo_get_pages(bo);

v3d_mmu_insert_ptes(bo);
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index 629f40424bba..ab39315c9078 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -315,12 +315,14 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
vc4_get_scaling_mode(vc4_state->src_h[1],
vc4_state->crtc_h);

- /* YUV conversion requires that horizontal scaling be enabled,
- * even on a plane that's otherwise 1:1. Looks like only PPF
- * works in that case, so let's pick that one.
+ /* YUV conversion requires that horizontal scaling be enabled
+ * on the UV plane even if vc4_get_scaling_mode() returned
+ * VC4_SCALING_NONE (which can happen when the down-scaling
+ * ratio is 0.5). Let's force it to VC4_SCALING_PPF in this
+ * case.
*/
- if (vc4_state->is_unity)
- vc4_state->x_scaling[0] = VC4_SCALING_PPF;
+ if (vc4_state->x_scaling[1] == VC4_SCALING_NONE)
+ vc4_state->x_scaling[1] = VC4_SCALING_PPF;
} else {
vc4_state->is_yuv = false;
vc4_state->x_scaling[1] = VC4_SCALING_NONE;
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 0e5620f76ee0..6887db878b38 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -471,31 +471,31 @@ static int __init vgem_init(void)
if (!vgem_device)
return -ENOMEM;

- ret = drm_dev_init(&vgem_device->drm, &vgem_driver, NULL);
- if (ret)
- goto out_free;
-
vgem_device->platform =
platform_device_register_simple("vgem", -1, NULL, 0);
if (IS_ERR(vgem_device->platform)) {
ret = PTR_ERR(vgem_device->platform);
- goto out_fini;
+ goto out_free;
}

dma_coerce_mask_and_coherent(&vgem_device->platform->dev,
DMA_BIT_MASK(64));
+ ret = drm_dev_init(&vgem_device->drm, &vgem_driver,
+ &vgem_device->platform->dev);
+ if (ret)
+ goto out_unregister;

/* Final step: expose the device/driver to userspace */
ret = drm_dev_register(&vgem_device->drm, 0);
if (ret)
- goto out_unregister;
+ goto out_fini;

return 0;

-out_unregister:
- platform_device_unregister(vgem_device->platform);
out_fini:
drm_dev_fini(&vgem_device->drm);
+out_unregister:
+ platform_device_unregister(vgem_device->platform);
out_free:
kfree(vgem_device);
return ret;
diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
index f4081962784c..91653adc41cc 100644
--- a/drivers/gpu/ipu-v3/ipu-image-convert.c
+++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
@@ -1524,7 +1524,7 @@ int ipu_image_convert_queue(struct ipu_image_convert_run *run)
EXPORT_SYMBOL_GPL(ipu_image_convert_queue);

/* Abort any active or pending conversions for this context */
-void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
+static void __ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
{
struct ipu_image_convert_chan *chan = ctx->chan;
struct ipu_image_convert_priv *priv = chan->priv;
@@ -1551,7 +1551,7 @@ void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)

need_abort = (run_count || active_run);

- ctx->aborting = need_abort;
+ ctx->aborting = true;

spin_unlock_irqrestore(&chan->irqlock, flags);

@@ -1572,7 +1572,11 @@ void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
dev_warn(priv->ipu->dev, "%s: timeout\n", __func__);
force_abort(ctx);
}
+}

+void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
+{
+ __ipu_image_convert_abort(ctx);
ctx->aborting = false;
}
EXPORT_SYMBOL_GPL(ipu_image_convert_abort);
@@ -1586,7 +1590,7 @@ void ipu_image_convert_unprepare(struct ipu_image_convert_ctx *ctx)
bool put_res;

/* make sure no runs are hanging around */
- ipu_image_convert_abort(ctx);
+ __ipu_image_convert_abort(ctx);

dev_dbg(priv->ipu->dev, "%s: task %u: removing ctx %p\n", __func__,
chan->ic_task, ctx);
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index b48100236df8..ebc9ffde41e9 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -30,6 +30,7 @@

#include <linux/debugfs.h>
#include <linux/seq_file.h>
+#include <linux/kfifo.h>
#include <linux/sched/signal.h>
#include <linux/export.h>
#include <linux/slab.h>
@@ -661,17 +662,12 @@ EXPORT_SYMBOL_GPL(hid_dump_device);
/* enqueue string to 'events' ring buffer */
void hid_debug_event(struct hid_device *hdev, char *buf)
{
- unsigned i;
struct hid_debug_list *list;
unsigned long flags;

spin_lock_irqsave(&hdev->debug_list_lock, flags);
- list_for_each_entry(list, &hdev->debug_list, node) {
- for (i = 0; buf[i]; i++)
- list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] =
- buf[i];
- list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE;
- }
+ list_for_each_entry(list, &hdev->debug_list, node)
+ kfifo_in(&list->hid_debug_fifo, buf, strlen(buf));
spin_unlock_irqrestore(&hdev->debug_list_lock, flags);

wake_up_interruptible(&hdev->debug_wait);
@@ -722,8 +718,7 @@ void hid_dump_input(struct hid_device *hdev, struct hid_usage *usage, __s32 valu
hid_debug_event(hdev, buf);

kfree(buf);
- wake_up_interruptible(&hdev->debug_wait);
-
+ wake_up_interruptible(&hdev->debug_wait);
}
EXPORT_SYMBOL_GPL(hid_dump_input);

@@ -1088,8 +1083,8 @@ static int hid_debug_events_open(struct inode *inode, struct file *file)
goto out;
}

- if (!(list->hid_debug_buf = kzalloc(HID_DEBUG_BUFSIZE, GFP_KERNEL))) {
- err = -ENOMEM;
+ err = kfifo_alloc(&list->hid_debug_fifo, HID_DEBUG_FIFOSIZE, GFP_KERNEL);
+ if (err) {
kfree(list);
goto out;
}
@@ -1109,77 +1104,57 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer,
size_t count, loff_t *ppos)
{
struct hid_debug_list *list = file->private_data;
- int ret = 0, len;
+ int ret = 0, copied;
DECLARE_WAITQUEUE(wait, current);

mutex_lock(&list->read_mutex);
- while (ret == 0) {
- if (list->head == list->tail) {
- add_wait_queue(&list->hdev->debug_wait, &wait);
- set_current_state(TASK_INTERRUPTIBLE);
-
- while (list->head == list->tail) {
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- ret = -ERESTARTSYS;
- break;
- }
+ if (kfifo_is_empty(&list->hid_debug_fifo)) {
+ add_wait_queue(&list->hdev->debug_wait, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ while (kfifo_is_empty(&list->hid_debug_fifo)) {
+ if (file->f_flags & O_NONBLOCK) {
+ ret = -EAGAIN;
+ break;
+ }

- if (!list->hdev || !list->hdev->debug) {
- ret = -EIO;
- set_current_state(TASK_RUNNING);
- goto out;
- }
+ if (signal_pending(current)) {
+ ret = -ERESTARTSYS;
+ break;
+ }

- /* allow O_NONBLOCK from other threads */
- mutex_unlock(&list->read_mutex);
- schedule();
- mutex_lock(&list->read_mutex);
- set_current_state(TASK_INTERRUPTIBLE);
+ /* if list->hdev is NULL we cannot remove_wait_queue().
+ * if list->hdev->debug is 0 then hid_debug_unregister()
+ * was already called and list->hdev is being destroyed.
+ * if we add remove_wait_queue() here we can hit a race.
+ */
+ if (!list->hdev || !list->hdev->debug) {
+ ret = -EIO;
+ set_current_state(TASK_RUNNING);
+ goto out;
}

- set_current_state(TASK_RUNNING);
- remove_wait_queue(&list->hdev->debug_wait, &wait);
+ /* allow O_NONBLOCK from other threads */
+ mutex_unlock(&list->read_mutex);
+ schedule();
+ mutex_lock(&list->read_mutex);
+ set_current_state(TASK_INTERRUPTIBLE);
}

- if (ret)
- goto out;
+ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(&list->hdev->debug_wait, &wait);

- /* pass the ringbuffer contents to userspace */
-copy_rest:
- if (list->tail == list->head)
+ if (ret)
goto out;
- if (list->tail > list->head) {
- len = list->tail - list->head;
- if (len > count)
- len = count;
-
- if (copy_to_user(buffer + ret, &list->hid_debug_buf[list->head], len)) {
- ret = -EFAULT;
- goto out;
- }
- ret += len;
- list->head += len;
- } else {
- len = HID_DEBUG_BUFSIZE - list->head;
- if (len > count)
- len = count;
-
- if (copy_to_user(buffer, &list->hid_debug_buf[list->head], len)) {
- ret = -EFAULT;
- goto out;
- }
- list->head = 0;
- ret += len;
- count -= len;
- if (count > 0)
- goto copy_rest;
- }
-
}
+
+ /* pass the fifo content to userspace, locking is not needed with only
+ * one concurrent reader and one concurrent writer
+ */
+ ret = kfifo_to_user(&list->hid_debug_fifo, buffer, count, &copied);
+ if (ret)
+ goto out;
+ ret = copied;
out:
mutex_unlock(&list->read_mutex);
return ret;
@@ -1190,7 +1165,7 @@ static __poll_t hid_debug_events_poll(struct file *file, poll_table *wait)
struct hid_debug_list *list = file->private_data;

poll_wait(file, &list->hdev->debug_wait, wait);
- if (list->head != list->tail)
+ if (!kfifo_is_empty(&list->hid_debug_fifo))
return EPOLLIN | EPOLLRDNORM;
if (!list->hdev->debug)
return EPOLLERR | EPOLLHUP;
@@ -1205,7 +1180,7 @@ static int hid_debug_events_release(struct inode *inode, struct file *file)
spin_lock_irqsave(&list->hdev->debug_list_lock, flags);
list_del(&list->node);
spin_unlock_irqrestore(&list->hdev->debug_list_lock, flags);
- kfree(list->hid_debug_buf);
+ kfifo_free(&list->hid_debug_fifo);
kfree(list);

return 0;
@@ -1256,4 +1231,3 @@ void hid_debug_exit(void)
{
debugfs_remove_recursive(hid_debug_root);
}
-
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 643b6eb54442..eacc76d2ab96 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -743,7 +743,9 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev)
data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd;
data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd;
data_pointer->led_mute.dev = dev;
- led_classdev_register(dev, &data_pointer->led_mute);
+ ret = led_classdev_register(dev, &data_pointer->led_mute);
+ if (ret < 0)
+ goto err;

data_pointer->led_micmute.name = name_micmute;
data_pointer->led_micmute.brightness_get =
@@ -751,7 +753,11 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev)
data_pointer->led_micmute.brightness_set =
lenovo_led_brightness_set_tpkbd;
data_pointer->led_micmute.dev = dev;
- led_classdev_register(dev, &data_pointer->led_micmute);
+ ret = led_classdev_register(dev, &data_pointer->led_micmute);
+ if (ret < 0) {
+ led_classdev_unregister(&data_pointer->led_mute);
+ goto err;
+ }

lenovo_features_set_tpkbd(hdev);

diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 08e3945a6fbf..0e30fa00204c 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -360,9 +360,11 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
struct i2c_client *client = data->client;
unsigned long min, val;
u8 reg;
- int err = kstrtoul(buf, 10, &val);
- if (err < 0)
- return err;
+ int rv;
+
+ rv = kstrtoul(buf, 10, &val);
+ if (rv < 0)
+ return rv;

/* Save fan_min */
mutex_lock(&data->update_lock);
@@ -390,8 +392,11 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
return -EINVAL;
}

- reg = (lm80_read_value(client, LM80_REG_FANDIV) &
- ~(3 << (2 * (nr + 1)))) | (data->fan_div[nr] << (2 * (nr + 1)));
+ rv = lm80_read_value(client, LM80_REG_FANDIV);
+ if (rv < 0)
+ return rv;
+ reg = (rv & ~(3 << (2 * (nr + 1))))
+ | (data->fan_div[nr] << (2 * (nr + 1)));
lm80_write_value(client, LM80_REG_FANDIV, reg);

/* Restore fan_min */
@@ -623,6 +628,7 @@ static int lm80_probe(struct i2c_client *client,
struct device *dev = &client->dev;
struct device *hwmon_dev;
struct lm80_data *data;
+ int rv;

data = devm_kzalloc(dev, sizeof(struct lm80_data), GFP_KERNEL);
if (!data)
@@ -635,8 +641,14 @@ static int lm80_probe(struct i2c_client *client,
lm80_init_client(client);

/* A few vars need to be filled upon startup */
- data->fan[f_min][0] = lm80_read_value(client, LM80_REG_FAN_MIN(1));
- data->fan[f_min][1] = lm80_read_value(client, LM80_REG_FAN_MIN(2));
+ rv = lm80_read_value(client, LM80_REG_FAN_MIN(1));
+ if (rv < 0)
+ return rv;
+ data->fan[f_min][0] = rv;
+ rv = lm80_read_value(client, LM80_REG_FAN_MIN(2));
+ if (rv < 0)
+ return rv;
+ data->fan[f_min][1] = rv;

hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
data, lm80_groups);
diff --git a/drivers/i2c/busses/i2c-axxia.c b/drivers/i2c/busses/i2c-axxia.c
index 51d34959709b..fb5bac079e83 100644
--- a/drivers/i2c/busses/i2c-axxia.c
+++ b/drivers/i2c/busses/i2c-axxia.c
@@ -296,22 +296,7 @@ static irqreturn_t axxia_i2c_isr(int irq, void *_dev)
i2c_int_disable(idev, MST_STATUS_TFL);
}

- if (status & MST_STATUS_SCC) {
- /* Stop completed */
- i2c_int_disable(idev, ~MST_STATUS_TSS);
- complete(&idev->msg_complete);
- } else if (status & MST_STATUS_SNS) {
- /* Transfer done */
- i2c_int_disable(idev, ~MST_STATUS_TSS);
- if (i2c_m_rd(idev->msg) && idev->msg_xfrd < idev->msg->len)
- axxia_i2c_empty_rx_fifo(idev);
- complete(&idev->msg_complete);
- } else if (status & MST_STATUS_TSS) {
- /* Transfer timeout */
- idev->msg_err = -ETIMEDOUT;
- i2c_int_disable(idev, ~MST_STATUS_TSS);
- complete(&idev->msg_complete);
- } else if (unlikely(status & MST_STATUS_ERR)) {
+ if (unlikely(status & MST_STATUS_ERR)) {
/* Transfer error */
i2c_int_disable(idev, ~0);
if (status & MST_STATUS_AL)
@@ -328,6 +313,21 @@ static irqreturn_t axxia_i2c_isr(int irq, void *_dev)
readl(idev->base + MST_TX_BYTES_XFRD),
readl(idev->base + MST_TX_XFER));
complete(&idev->msg_complete);
+ } else if (status & MST_STATUS_SCC) {
+ /* Stop completed */
+ i2c_int_disable(idev, ~MST_STATUS_TSS);
+ complete(&idev->msg_complete);
+ } else if (status & MST_STATUS_SNS) {
+ /* Transfer done */
+ i2c_int_disable(idev, ~MST_STATUS_TSS);
+ if (i2c_m_rd(idev->msg) && idev->msg_xfrd < idev->msg->len)
+ axxia_i2c_empty_rx_fifo(idev);
+ complete(&idev->msg_complete);
+ } else if (status & MST_STATUS_TSS) {
+ /* Transfer timeout */
+ idev->msg_err = -ETIMEDOUT;
+ i2c_int_disable(idev, ~MST_STATUS_TSS);
+ complete(&idev->msg_complete);
}

out:
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 818cab14e87c..ddcfb6d349d1 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -800,6 +800,7 @@ static const struct sh_mobile_dt_config r8a7740_dt_config = {
static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
{ .compatible = "renesas,iic-r8a73a4", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7740", .data = &r8a7740_dt_config },
+ { .compatible = "renesas,iic-r8a774c0", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7790", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7791", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7792", .data = &fast_clock_dt_config },
@@ -808,6 +809,7 @@ static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
{ .compatible = "renesas,rcar-gen2-iic", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7795", .data = &fast_clock_dt_config },
{ .compatible = "renesas,rcar-gen3-iic", .data = &fast_clock_dt_config },
+ { .compatible = "renesas,iic-r8a77990", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-sh73a0", .data = &fast_clock_dt_config },
{ .compatible = "renesas,rmobile-iic", .data = &default_dt_config },
{},
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index af53a1084ee5..471caa5323e4 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1490,6 +1490,7 @@ static const struct acpi_device_id kx_acpi_match[] = {
{"KXCJ1008", KXCJ91008},
{"KXCJ9000", KXCJ91008},
{"KIOX000A", KXCJ91008},
+ {"KIOX010A", KXCJ91008}, /* KXCJ91008 inside the display of a 2-in-1 */
{"KXTJ1009", KXTJ21009},
{"SMO8500", KXCJ91008},
{ },
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index da2d16dfa63e..5dd104cf0939 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -587,8 +587,11 @@ static int meson_sar_adc_clk_init(struct iio_dev *indio_dev,
struct clk_init_data init;
const char *clk_parents[1];

- init.name = devm_kasprintf(&indio_dev->dev, GFP_KERNEL, "%pOF#adc_div",
- indio_dev->dev.of_node);
+ init.name = devm_kasprintf(&indio_dev->dev, GFP_KERNEL, "%s#adc_div",
+ dev_name(indio_dev->dev.parent));
+ if (!init.name)
+ return -ENOMEM;
+
init.flags = 0;
init.ops = &clk_divider_ops;
clk_parents[0] = __clk_get_name(priv->clkin);
@@ -606,8 +609,11 @@ static int meson_sar_adc_clk_init(struct iio_dev *indio_dev,
if (WARN_ON(IS_ERR(priv->adc_div_clk)))
return PTR_ERR(priv->adc_div_clk);

- init.name = devm_kasprintf(&indio_dev->dev, GFP_KERNEL, "%pOF#adc_en",
- indio_dev->dev.of_node);
+ init.name = devm_kasprintf(&indio_dev->dev, GFP_KERNEL, "%s#adc_en",
+ dev_name(indio_dev->dev.parent));
+ if (!init.name)
+ return -ENOMEM;
+
init.flags = CLK_SET_RATE_PARENT;
init.ops = &clk_gate_ops;
clk_parents[0] = __clk_get_name(priv->adc_div_clk);
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 9bd63abb2dfe..6f013a565353 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -1157,6 +1157,7 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah)
if (cmp_psn(wqe->lpsn, qp->s_sending_psn) >= 0 &&
cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
break;
+ rvt_qp_wqe_unreserve(qp, wqe);
s_last = qp->s_last;
trace_hfi1_qp_send_completion(qp, wqe, s_last);
if (++s_last >= qp->s_size)
@@ -1209,6 +1210,7 @@ static struct rvt_swqe *do_rc_completion(struct rvt_qp *qp,
u32 s_last;

rvt_put_swqe(wqe);
+ rvt_qp_wqe_unreserve(qp, wqe);
s_last = qp->s_last;
trace_hfi1_qp_send_completion(qp, wqe, s_last);
if (++s_last >= qp->s_size)
diff --git a/drivers/infiniband/hw/hfi1/ruc.c b/drivers/infiniband/hw/hfi1/ruc.c
index 5f56f3c1b4c4..62a3832a1ebb 100644
--- a/drivers/infiniband/hw/hfi1/ruc.c
+++ b/drivers/infiniband/hw/hfi1/ruc.c
@@ -278,6 +278,8 @@ static void ruc_loopback(struct rvt_qp *sqp)
goto op_err;
if (!ret)
goto rnr_nak;
+ if (wqe->length > qp->r_len)
+ goto inv_err;
break;

case IB_WR_RDMA_WRITE_WITH_IMM:
@@ -445,7 +447,10 @@ static void ruc_loopback(struct rvt_qp *sqp)
goto err;

inv_err:
- send_status = IB_WC_REM_INV_REQ_ERR;
+ send_status =
+ sqp->ibqp.qp_type == IB_QPT_RC ?
+ IB_WC_REM_INV_REQ_ERR :
+ IB_WC_SUCCESS;
wc.status = IB_WC_LOC_QP_OP_ERR;
goto err;

diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c
index f8a7de795beb..563f71e6d1d3 100644
--- a/drivers/infiniband/hw/qib/qib_ruc.c
+++ b/drivers/infiniband/hw/qib/qib_ruc.c
@@ -274,6 +274,8 @@ static void qib_ruc_loopback(struct rvt_qp *sqp)
goto op_err;
if (!ret)
goto rnr_nak;
+ if (wqe->length > qp->r_len)
+ goto inv_err;
break;

case IB_WR_RDMA_WRITE_WITH_IMM:
@@ -434,7 +436,10 @@ static void qib_ruc_loopback(struct rvt_qp *sqp)
goto err;

inv_err:
- send_status = IB_WC_REM_INV_REQ_ERR;
+ send_status =
+ sqp->ibqp.qp_type == IB_QPT_RC ?
+ IB_WC_REM_INV_REQ_ERR :
+ IB_WC_SUCCESS;
wc.status = IB_WC_LOC_QP_OP_ERR;
goto err;

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index bee0dfb7b93b..34c9aa76a7bd 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -438,7 +438,14 @@ static int iommu_init_device(struct device *dev)

dev_data->alias = get_alias(dev);

- if (dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) {
+ /*
+ * By default we use passthrough mode for IOMMUv2 capable device.
+ * But if amd_iommu=force_isolation is set (e.g. to debug DMA to
+ * invalid address), we ignore the capability for the device so
+ * it'll be forced to go into translation mode.
+ */
+ if ((iommu_pass_through || !amd_iommu_force_isolation) &&
+ dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) {
struct amd_iommu *iommu;

iommu = amd_iommu_rlookup_table[dev_data->devid];
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 3e02aace38b1..9ae3678844eb 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -586,7 +586,11 @@ struct arm_smmu_device {

struct arm_smmu_strtab_cfg strtab_cfg;

- u32 sync_count;
+ /* Hi16xx adds an extra 32 bits of goodness to its MSI payload */
+ union {
+ u32 sync_count;
+ u64 padding;
+ };

/* IOMMU core code handle */
struct iommu_device iommu;
@@ -684,7 +688,13 @@ static void queue_inc_cons(struct arm_smmu_queue *q)
u32 cons = (Q_WRP(q, q->cons) | Q_IDX(q, q->cons)) + 1;

q->cons = Q_OVF(q, q->cons) | Q_WRP(q, cons) | Q_IDX(q, cons);
- writel(q->cons, q->cons_reg);
+
+ /*
+ * Ensure that all CPU accesses (reads and writes) to the queue
+ * are complete before we update the cons pointer.
+ */
+ mb();
+ writel_relaxed(q->cons, q->cons_reg);
}

static int queue_sync_prod(struct arm_smmu_queue *q)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index e7cbf4fcf61d..ce119cb279c3 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -118,6 +118,7 @@ enum arm_smmu_implementation {
GENERIC_SMMU,
ARM_MMU500,
CAVIUM_SMMUV2,
+ QCOM_SMMUV2,
};

struct arm_smmu_s2cr {
@@ -1912,6 +1913,7 @@ ARM_SMMU_MATCH_DATA(smmu_generic_v2, ARM_SMMU_V2, GENERIC_SMMU);
ARM_SMMU_MATCH_DATA(arm_mmu401, ARM_SMMU_V1_64K, GENERIC_SMMU);
ARM_SMMU_MATCH_DATA(arm_mmu500, ARM_SMMU_V2, ARM_MMU500);
ARM_SMMU_MATCH_DATA(cavium_smmuv2, ARM_SMMU_V2, CAVIUM_SMMUV2);
+ARM_SMMU_MATCH_DATA(qcom_smmuv2, ARM_SMMU_V2, QCOM_SMMUV2);

static const struct of_device_id arm_smmu_of_match[] = {
{ .compatible = "arm,smmu-v1", .data = &smmu_generic_v1 },
@@ -1920,6 +1922,7 @@ static const struct of_device_id arm_smmu_of_match[] = {
{ .compatible = "arm,mmu-401", .data = &arm_mmu401 },
{ .compatible = "arm,mmu-500", .data = &arm_mmu500 },
{ .compatible = "cavium,smmu-v2", .data = &cavium_smmuv2 },
+ { .compatible = "qcom,smmu-v2", .data = &qcom_smmuv2 },
{ },
};
MODULE_DEVICE_TABLE(of, arm_smmu_of_match);
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index cf3abb8d284f..4c2246fe5dbe 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -93,9 +93,14 @@ struct its_device;
* The ITS structure - contains most of the infrastructure, with the
* top-level MSI domain, the command queue, the collections, and the
* list of devices writing to it.
+ *
+ * dev_alloc_lock has to be taken for device allocations, while the
+ * spinlock must be taken to parse data structures such as the device
+ * list.
*/
struct its_node {
raw_spinlock_t lock;
+ struct mutex dev_alloc_lock;
struct list_head entry;
void __iomem *base;
phys_addr_t phys_base;
@@ -152,6 +157,7 @@ struct its_device {
void *itt;
u32 nr_ites;
u32 device_id;
+ bool shared;
};

static struct {
@@ -2290,6 +2296,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
struct its_device *its_dev;
struct msi_domain_info *msi_info;
u32 dev_id;
+ int err = 0;

/*
* We ignore "dev" entierely, and rely on the dev_id that has
@@ -2312,6 +2319,7 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
return -EINVAL;
}

+ mutex_lock(&its->dev_alloc_lock);
its_dev = its_find_device(its, dev_id);
if (its_dev) {
/*
@@ -2319,18 +2327,22 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev,
* another alias (PCI bridge of some sort). No need to
* create the device.
*/
+ its_dev->shared = true;
pr_debug("Reusing ITT for devID %x\n", dev_id);
goto out;
}

its_dev = its_create_device(its, dev_id, nvec, true);
- if (!its_dev)
- return -ENOMEM;
+ if (!its_dev) {
+ err = -ENOMEM;
+ goto out;
+ }

pr_debug("ITT %d entries, %d bits\n", nvec, ilog2(nvec));
out:
+ mutex_unlock(&its->dev_alloc_lock);
info->scratchpad[0].ptr = its_dev;
- return 0;
+ return err;
}

static struct msi_domain_ops its_msi_domain_ops = {
@@ -2434,6 +2446,7 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
{
struct irq_data *d = irq_domain_get_irq_data(domain, virq);
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
+ struct its_node *its = its_dev->its;
int i;

for (i = 0; i < nr_irqs; i++) {
@@ -2448,8 +2461,14 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
irq_domain_reset_irq_data(data);
}

- /* If all interrupts have been freed, start mopping the floor */
- if (bitmap_empty(its_dev->event_map.lpi_map,
+ mutex_lock(&its->dev_alloc_lock);
+
+ /*
+ * If all interrupts have been freed, start mopping the
+ * floor. This is conditionned on the device not being shared.
+ */
+ if (!its_dev->shared &&
+ bitmap_empty(its_dev->event_map.lpi_map,
its_dev->event_map.nr_lpis)) {
its_lpi_free(its_dev->event_map.lpi_map,
its_dev->event_map.lpi_base,
@@ -2461,6 +2480,8 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq,
its_free_device(its_dev);
}

+ mutex_unlock(&its->dev_alloc_lock);
+
irq_domain_free_irqs_parent(domain, virq, nr_irqs);
}

@@ -3385,6 +3406,7 @@ static int __init its_probe_one(struct resource *res,
}

raw_spin_lock_init(&its->lock);
+ mutex_init(&its->dev_alloc_lock);
INIT_LIST_HEAD(&its->entry);
INIT_LIST_HEAD(&its->its_device_list);
typer = gic_read_typer(its_base + GITS_TYPER);
diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c
index 8e5b03161b2f..64a63711fd95 100644
--- a/drivers/isdn/hisax/hfc_pci.c
+++ b/drivers/isdn/hisax/hfc_pci.c
@@ -1170,11 +1170,13 @@ HFCPCI_l1hw(struct PStack *st, int pr, void *arg)
if (cs->debug & L1_DEB_LAPD)
debugl1(cs, "-> PH_REQUEST_PULL");
#endif
+ spin_lock_irqsave(&cs->lock, flags);
if (!cs->tx_skb) {
test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
} else
test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
+ spin_unlock_irqrestore(&cs->lock, flags);
break;
case (HW_RESET | REQUEST):
spin_lock_irqsave(&cs->lock, flags);
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 2940cdc87af1..95be6e36c7dd 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1252,15 +1252,22 @@ int pblk_line_recov_alloc(struct pblk *pblk, struct pblk_line *line)

ret = pblk_line_alloc_bitmaps(pblk, line);
if (ret)
- return ret;
+ goto fail;

if (!pblk_line_init_bb(pblk, line, 0)) {
- list_add(&line->list, &l_mg->free_list);
- return -EINTR;
+ ret = -EINTR;
+ goto fail;
}

pblk_rl_free_lines_dec(&pblk->rl, line, true);
return 0;
+
+fail:
+ spin_lock(&l_mg->free_lock);
+ list_add(&line->list, &l_mg->free_list);
+ spin_unlock(&l_mg->free_lock);
+
+ return ret;
}

void pblk_line_recov_close(struct pblk *pblk, struct pblk_line *line)
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index 879227d584e7..c3e038d4b22e 100644
--- a/drivers/lightnvm/pblk-write.c
+++ b/drivers/lightnvm/pblk-write.c
@@ -158,9 +158,11 @@ static void pblk_prepare_resubmit(struct pblk *pblk, unsigned int sentry,
w_ctx = &entry->w_ctx;

/* Check if the lba has been overwritten */
- ppa_l2p = pblk_trans_map_get(pblk, w_ctx->lba);
- if (!pblk_ppa_comp(ppa_l2p, entry->cacheline))
- w_ctx->lba = ADDR_EMPTY;
+ if (w_ctx->lba != ADDR_EMPTY) {
+ ppa_l2p = pblk_trans_map_get(pblk, w_ctx->lba);
+ if (!pblk_ppa_comp(ppa_l2p, entry->cacheline))
+ w_ctx->lba = ADDR_EMPTY;
+ }

/* Mark up the entry as submittable again */
flags = READ_ONCE(w_ctx->flags);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 811427e53126..7033a2880771 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1208,7 +1208,9 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
struct bio *split = bio_split(bio, max_sectors,
gfp, &conf->bio_split);
bio_chain(split, bio);
+ allow_barrier(conf);
generic_make_request(bio);
+ wait_barrier(conf);
bio = split;
r10_bio->master_bio = bio;
r10_bio->sectors = max_sectors;
@@ -1513,7 +1515,9 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio,
struct bio *split = bio_split(bio, r10_bio->sectors,
GFP_NOIO, &conf->bio_split);
bio_chain(split, bio);
+ allow_barrier(conf);
generic_make_request(bio);
+ wait_barrier(conf);
bio = split;
r10_bio->master_bio = bio;
}
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 82af97430e5b..63c9ac2c6a5f 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -61,6 +61,7 @@ config VIDEO_TDA1997X
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
depends on SND_SOC
select SND_PCM
+ select HDMI
---help---
V4L2 subdevice driver for the NXP TDA1997x HDMI receivers.

@@ -610,6 +611,7 @@ config VIDEO_IMX274
tristate "Sony IMX274 sensor support"
depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
depends on MEDIA_CAMERA_SUPPORT
+ select REGMAP_I2C
---help---
This is a V4L2 sensor driver for the Sony IMX274
CMOS image sensor.
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c
index 5b008b0002c0..aa8b04cfed0f 100644
--- a/drivers/media/i2c/ad9389b.c
+++ b/drivers/media/i2c/ad9389b.c
@@ -578,7 +578,7 @@ static const struct v4l2_dv_timings_cap ad9389b_timings_cap = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index f3899cc84e27..88349b5053cc 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -130,7 +130,7 @@ static const struct v4l2_dv_timings_cap adv7511_timings_cap = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, ADV7511_MAX_WIDTH, 0, ADV7511_MAX_HEIGHT,
+ V4L2_INIT_BT_TIMINGS(640, ADV7511_MAX_WIDTH, 350, ADV7511_MAX_HEIGHT,
ADV7511_MIN_PIXELCLOCK, ADV7511_MAX_PIXELCLOCK,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index c78698199ac5..f01964c36ad5 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -766,7 +766,7 @@ static const struct v4l2_dv_timings_cap adv7604_timings_cap_analog = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
@@ -777,7 +777,7 @@ static const struct v4l2_dv_timings_cap adv76xx_timings_cap_digital = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 225000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 71fe56565f75..bb43a75ed6d0 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -663,7 +663,7 @@ static const struct v4l2_dv_timings_cap adv7842_timings_cap_analog = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
@@ -674,7 +674,7 @@ static const struct v4l2_dv_timings_cap adv7842_timings_cap_digital = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 225000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index ff25ea9aca48..26070fb6ce4e 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -59,7 +59,7 @@ static const struct v4l2_dv_timings_cap tc358743_timings_cap = {
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
/* Pixel clock from REF_01 p. 20. Min/max height/width are unknown */
- V4L2_INIT_BT_TIMINGS(1, 10000, 1, 10000, 0, 165000000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 13000000, 165000000,
V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
V4L2_DV_BT_CAP_PROGRESSIVE |
diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c
index 498ad2368cbc..f5ee28058ea2 100644
--- a/drivers/media/i2c/ths8200.c
+++ b/drivers/media/i2c/ths8200.c
@@ -49,7 +49,7 @@ static const struct v4l2_dv_timings_cap ths8200_timings_cap = {
.type = V4L2_DV_BT_656_1120,
/* keep this initialization for compatibility with GCC < 4.4.6 */
.reserved = { 0 },
- V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1080, 25000000, 148500000,
+ V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1080, 25000000, 148500000,
V4L2_DV_BT_STD_CEA861, V4L2_DV_BT_CAP_PROGRESSIVE)
};

diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c
index 06d29d8f6be8..f27d294dcbef 100644
--- a/drivers/media/i2c/video-i2c.c
+++ b/drivers/media/i2c/video-i2c.c
@@ -510,7 +510,12 @@ static const struct v4l2_ioctl_ops video_i2c_ioctl_ops = {

static void video_i2c_release(struct video_device *vdev)
{
- kfree(video_get_drvdata(vdev));
+ struct video_i2c_data *data = video_get_drvdata(vdev);
+
+ v4l2_device_unregister(&data->v4l2_dev);
+ mutex_destroy(&data->lock);
+ mutex_destroy(&data->queue_lock);
+ kfree(data);
}

static int video_i2c_probe(struct i2c_client *client,
@@ -608,10 +613,6 @@ static int video_i2c_remove(struct i2c_client *client)
struct video_i2c_data *data = i2c_get_clientdata(client);

video_unregister_device(&data->vdev);
- v4l2_device_unregister(&data->v4l2_dev);
-
- mutex_destroy(&data->lock);
- mutex_destroy(&data->queue_lock);

return 0;
}
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index d26c2d85a009..d20d3df5778b 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -991,16 +991,15 @@ static int coda_start_encoding(struct coda_ctx *ctx)
else
coda_write(dev, CODA_STD_H264,
CODA_CMD_ENC_SEQ_COD_STD);
- if (ctx->params.h264_deblk_enabled) {
- value = ((ctx->params.h264_deblk_alpha &
- CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
- CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
- ((ctx->params.h264_deblk_beta &
- CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
- CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
- } else {
- value = 1 << CODA_264PARAM_DISABLEDEBLK_OFFSET;
- }
+ value = ((ctx->params.h264_disable_deblocking_filter_idc &
+ CODA_264PARAM_DISABLEDEBLK_MASK) <<
+ CODA_264PARAM_DISABLEDEBLK_OFFSET) |
+ ((ctx->params.h264_slice_alpha_c0_offset_div2 &
+ CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK) <<
+ CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET) |
+ ((ctx->params.h264_slice_beta_offset_div2 &
+ CODA_264PARAM_DEBLKFILTEROFFSETBETA_MASK) <<
+ CODA_264PARAM_DEBLKFILTEROFFSETBETA_OFFSET);
coda_write(dev, value, CODA_CMD_ENC_SEQ_264_PARA);
break;
case V4L2_PIX_FMT_JPEG:
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index bf7b8417c27f..19d92edcc981 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1793,14 +1793,13 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
ctx->params.h264_max_qp = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
- ctx->params.h264_deblk_alpha = ctrl->val;
+ ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
- ctx->params.h264_deblk_beta = ctrl->val;
+ ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
- ctx->params.h264_deblk_enabled = (ctrl->val ==
- V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
+ ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
/* TODO: switch between baseline and constrained baseline */
@@ -1882,13 +1881,13 @@ static void coda_encode_ctrls(struct coda_ctx *ctx)
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, 0, 15, 1, 0);
+ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
- V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, 0, 15, 1, 0);
+ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
- V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED, 0x0,
- V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
+ V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
+ 0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, 0x0,
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index 19ac0b9dc6eb..2469ca1dc598 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -115,9 +115,9 @@ struct coda_params {
u8 h264_inter_qp;
u8 h264_min_qp;
u8 h264_max_qp;
- u8 h264_deblk_enabled;
- u8 h264_deblk_alpha;
- u8 h264_deblk_beta;
+ u8 h264_disable_deblocking_filter_idc;
+ s8 h264_slice_alpha_c0_offset_div2;
+ s8 h264_slice_beta_offset_div2;
u8 h264_profile_idc;
u8 h264_level_idc;
u8 mpeg4_intra_qp;
diff --git a/drivers/media/platform/coda/coda_regs.h b/drivers/media/platform/coda/coda_regs.h
index 5e7b00a97671..e675e38f3475 100644
--- a/drivers/media/platform/coda/coda_regs.h
+++ b/drivers/media/platform/coda/coda_regs.h
@@ -292,7 +292,7 @@
#define CODA_264PARAM_DEBLKFILTEROFFSETALPHA_OFFSET 8
#define CODA_264PARAM_DEBLKFILTEROFFSETALPHA_MASK 0x0f
#define CODA_264PARAM_DISABLEDEBLK_OFFSET 6
-#define CODA_264PARAM_DISABLEDEBLK_MASK 0x01
+#define CODA_264PARAM_DISABLEDEBLK_MASK 0x03
#define CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_OFFSET 5
#define CODA_264PARAM_CONSTRAINEDINTRAPREDFLAG_MASK 0x01
#define CODA_264PARAM_CHROMAQPOFFSET_OFFSET 0
diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
index 18c035ef84cf..df1ae6b5c854 100644
--- a/drivers/media/platform/davinci/vpbe.c
+++ b/drivers/media/platform/davinci/vpbe.c
@@ -740,7 +740,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
if (ret) {
v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default output %s",
def_output);
- return ret;
+ goto fail_kfree_amp;
}

printk(KERN_NOTICE "Setting default mode to %s\n", def_mode);
@@ -748,12 +748,15 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
if (ret) {
v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default mode %s",
def_mode);
- return ret;
+ goto fail_kfree_amp;
}
vpbe_dev->initialized = 1;
/* TBD handling of bootargs for default output and mode */
return 0;

+fail_kfree_amp:
+ mutex_lock(&vpbe_dev->lock);
+ kfree(vpbe_dev->amp);
fail_kfree_encoders:
kfree(vpbe_dev->encoders);
fail_dev_unregister:
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
index 3e73e9db781f..7c025045ea90 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
@@ -41,25 +41,27 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
node = of_parse_phandle(dev->of_node, "mediatek,larb", 0);
if (!node) {
mtk_v4l2_err("no mediatek,larb found");
- return -1;
+ return -ENODEV;
}
pdev = of_find_device_by_node(node);
+ of_node_put(node);
if (!pdev) {
mtk_v4l2_err("no mediatek,larb device found");
- return -1;
+ return -ENODEV;
}
pm->larbvenc = &pdev->dev;

node = of_parse_phandle(dev->of_node, "mediatek,larb", 1);
if (!node) {
mtk_v4l2_err("no mediatek,larb found");
- return -1;
+ return -ENODEV;
}

pdev = of_find_device_by_node(node);
+ of_node_put(node);
if (!pdev) {
mtk_v4l2_err("no mediatek,larb device found");
- return -1;
+ return -ENODEV;
}

pm->larbvenclt = &pdev->dev;
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 8b2c16dd58bd..0f218afdadaa 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1956,6 +1956,8 @@ void rc_unregister_device(struct rc_dev *dev)
rc_free_rx_device(dev);

mutex_lock(&dev->lock);
+ if (dev->users && dev->close)
+ dev->close(dev);
dev->registered = false;
mutex_unlock(&dev->lock);

diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 76382c858c35..1246d69ba187 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/pm_runtime.h>

#define DRIVER_NAME "memstick"

@@ -436,6 +437,7 @@ static void memstick_check(struct work_struct *work)
struct memstick_dev *card;

dev_dbg(&host->dev, "memstick_check started\n");
+ pm_runtime_get_noresume(host->dev.parent);
mutex_lock(&host->lock);
if (!host->card) {
if (memstick_power_on(host))
@@ -479,6 +481,7 @@ static void memstick_check(struct work_struct *work)
host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF);

mutex_unlock(&host->lock);
+ pm_runtime_put(host->dev.parent);
dev_dbg(&host->dev, "memstick_check finished\n");
}

diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 0d3b7473bc21..5301302fb531 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -286,6 +286,7 @@ static void bcm2835_reset(struct mmc_host *mmc)

if (host->dma_chan)
dmaengine_terminate_sync(host->dma_chan);
+ host->dma_chan = NULL;
bcm2835_reset_internal(host);
}

@@ -772,6 +773,8 @@ static void bcm2835_finish_command(struct bcm2835_host *host)

if (!(sdhsts & SDHSTS_CRC7_ERROR) ||
(host->cmd->opcode != MMC_SEND_OP_COND)) {
+ u32 edm, fsm;
+
if (sdhsts & SDHSTS_CMD_TIME_OUT) {
host->cmd->error = -ETIMEDOUT;
} else {
@@ -780,6 +783,13 @@ static void bcm2835_finish_command(struct bcm2835_host *host)
bcm2835_dumpregs(host);
host->cmd->error = -EILSEQ;
}
+ edm = readl(host->ioaddr + SDEDM);
+ fsm = edm & SDEDM_FSM_MASK;
+ if (fsm == SDEDM_FSM_READWAIT ||
+ fsm == SDEDM_FSM_WRITESTART1)
+ /* Kick the FSM out of its wait */
+ writel(edm | SDEDM_FORCE_DATA_MODE,
+ host->ioaddr + SDEDM);
bcm2835_finish_request(host);
return;
}
@@ -837,6 +847,8 @@ static void bcm2835_timeout(struct work_struct *work)
dev_err(dev, "timeout waiting for hardware interrupt.\n");
bcm2835_dumpregs(host);

+ bcm2835_reset(host->mmc);
+
if (host->data) {
host->data->error = -ETIMEDOUT;
bcm2835_finish_data(host);
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 993386c9ea50..864338e308e2 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -983,17 +983,17 @@ static int jz4740_mmc_request_gpios(struct mmc_host *mmc,
if (!pdata->read_only_active_low)
mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;

- if (gpio_is_valid(pdata->gpio_card_detect)) {
- ret = mmc_gpio_request_cd(mmc, pdata->gpio_card_detect, 0);
- if (ret)
- return ret;
- }
+ /*
+ * Get optional card detect and write protect GPIOs,
+ * only back out on probe deferral.
+ */
+ ret = mmc_gpiod_request_cd(mmc, "cd", 0, false, 0, NULL);
+ if (ret == -EPROBE_DEFER)
+ return ret;

- if (gpio_is_valid(pdata->gpio_read_only)) {
- ret = mmc_gpio_request_ro(mmc, pdata->gpio_read_only);
- if (ret)
- return ret;
- }
+ ret = mmc_gpiod_request_ro(mmc, "wp", 0, false, 0, NULL);
+ if (ret == -EPROBE_DEFER)
+ return ret;

return jz4740_mmc_request_gpio(&pdev->dev, pdata->gpio_power,
"MMC read only", true, pdata->power_active_low);
diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c
index 2cfec33178c1..9841b447ccde 100644
--- a/drivers/mmc/host/meson-mx-sdio.c
+++ b/drivers/mmc/host/meson-mx-sdio.c
@@ -596,6 +596,9 @@ static int meson_mx_mmc_register_clks(struct meson_mx_mmc_host *host)
init.name = devm_kasprintf(host->controller_dev, GFP_KERNEL,
"%s#fixed_factor",
dev_name(host->controller_dev));
+ if (!init.name)
+ return -ENOMEM;
+
init.ops = &clk_fixed_factor_ops;
init.flags = 0;
init.parent_names = &clk_fixed_factor_parent;
@@ -612,6 +615,9 @@ static int meson_mx_mmc_register_clks(struct meson_mx_mmc_host *host)
clk_div_parent = __clk_get_name(host->fixed_factor_clk);
init.name = devm_kasprintf(host->controller_dev, GFP_KERNEL,
"%s#div", dev_name(host->controller_dev));
+ if (!init.name)
+ return -ENOMEM;
+
init.ops = &clk_divider_ops;
init.flags = CLK_SET_RATE_PARENT;
init.parent_names = &clk_div_parent;
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 9cb7554a463d..a7bf8515116f 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -526,8 +526,12 @@ static void esdhc_clock_enable(struct sdhci_host *host, bool enable)
/* Wait max 20 ms */
timeout = ktime_add_ms(ktime_get(), 20);
val = ESDHC_CLOCK_STABLE;
- while (!(sdhci_readl(host, ESDHC_PRSSTAT) & val)) {
- if (ktime_after(ktime_get(), timeout)) {
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ if (sdhci_readl(host, ESDHC_PRSSTAT) & val)
+ break;
+ if (timedout) {
pr_err("%s: Internal clock never stabilised.\n",
mmc_hostname(host->mmc));
break;
@@ -591,8 +595,12 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)

/* Wait max 20 ms */
timeout = ktime_add_ms(ktime_get(), 20);
- while (!(sdhci_readl(host, ESDHC_PRSSTAT) & ESDHC_CLOCK_STABLE)) {
- if (ktime_after(ktime_get(), timeout)) {
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ if (sdhci_readl(host, ESDHC_PRSSTAT) & ESDHC_CLOCK_STABLE)
+ break;
+ if (timedout) {
pr_err("%s: Internal clock never stabilised.\n",
mmc_hostname(host->mmc));
return;
diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index d264391616f9..d02f5cf76b3d 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -220,8 +220,12 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host,

/* wait 1ms */
timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT);
- while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)) {
- if (WARN_ON(ktime_after(ktime_get(), timeout)))
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ if (sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)
+ break;
+ if (WARN_ON(timedout))
return;
usleep_range(5, 10);
}
@@ -653,8 +657,12 @@ static void sdhci_omap_init_74_clocks(struct sdhci_host *host, u8 power_mode)

/* wait 1ms */
timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT);
- while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)) {
- if (WARN_ON(ktime_after(ktime_get(), timeout)))
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ if (sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)
+ break;
+ if (WARN_ON(timedout))
return;
usleep_range(5, 10);
}
diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c
index c335052d0c02..caccedc836dc 100644
--- a/drivers/mmc/host/sdhci-xenon-phy.c
+++ b/drivers/mmc/host/sdhci-xenon-phy.c
@@ -357,9 +357,13 @@ static int xenon_emmc_phy_enable_dll(struct sdhci_host *host)

/* Wait max 32 ms */
timeout = ktime_add_ms(ktime_get(), 32);
- while (!(sdhci_readw(host, XENON_SLOT_EXT_PRESENT_STATE) &
- XENON_DLL_LOCK_STATE)) {
- if (ktime_after(ktime_get(), timeout)) {
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ if (sdhci_readw(host, XENON_SLOT_EXT_PRESENT_STATE) &
+ XENON_DLL_LOCK_STATE)
+ break;
+ if (timedout) {
dev_err(mmc_dev(host->mmc), "Wait for DLL Lock time-out\n");
return -ETIMEDOUT;
}
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index 4d0791f6ec23..a0b5089b3274 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -34,9 +34,13 @@ static int xenon_enable_internal_clk(struct sdhci_host *host)
sdhci_writel(host, reg, SDHCI_CLOCK_CONTROL);
/* Wait max 20 ms */
timeout = ktime_add_ms(ktime_get(), 20);
- while (!((reg = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
- & SDHCI_CLOCK_INT_STABLE)) {
- if (ktime_after(ktime_get(), timeout)) {
+ while (1) {
+ bool timedout = ktime_after(ktime_get(), timeout);
+
+ reg = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
+ if (reg & SDHCI_CLOCK_INT_STABLE)
+ break;
+ if (timedout) {
dev_err(mmc_dev(host->mmc), "Internal clock never stabilised.\n");
return -ETIMEDOUT;
}
diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c
index 5200e4bdce93..ea243840ee0f 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_atu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c
@@ -314,6 +314,7 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id)
{
struct mv88e6xxx_chip *chip = dev_id;
struct mv88e6xxx_atu_entry entry;
+ int spid;
int err;
u16 val;

@@ -336,6 +337,8 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id)
if (err)
goto out;

+ spid = entry.state;
+
if (val & MV88E6XXX_G1_ATU_OP_AGE_OUT_VIOLATION) {
dev_err_ratelimited(chip->dev,
"ATU age out violation for %pM\n",
@@ -344,23 +347,23 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id)

if (val & MV88E6XXX_G1_ATU_OP_MEMBER_VIOLATION) {
dev_err_ratelimited(chip->dev,
- "ATU member violation for %pM portvec %x\n",
- entry.mac, entry.portvec);
- chip->ports[entry.portvec].atu_member_violation++;
+ "ATU member violation for %pM portvec %x spid %d\n",
+ entry.mac, entry.portvec, spid);
+ chip->ports[spid].atu_member_violation++;
}

if (val & MV88E6XXX_G1_ATU_OP_MISS_VIOLATION) {
dev_err_ratelimited(chip->dev,
- "ATU miss violation for %pM portvec %x\n",
- entry.mac, entry.portvec);
- chip->ports[entry.portvec].atu_miss_violation++;
+ "ATU miss violation for %pM portvec %x spid %d\n",
+ entry.mac, entry.portvec, spid);
+ chip->ports[spid].atu_miss_violation++;
}

if (val & MV88E6XXX_G1_ATU_OP_FULL_VIOLATION) {
dev_err_ratelimited(chip->dev,
- "ATU full violation for %pM portvec %x\n",
- entry.mac, entry.portvec);
- chip->ports[entry.portvec].atu_full_violation++;
+ "ATU full violation for %pM portvec %x spid %d\n",
+ entry.mac, entry.portvec, spid);
+ chip->ports[spid].atu_full_violation++;
}
mutex_unlock(&chip->reg_lock);

diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index c965e65d07db..9939ccaeb125 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -262,6 +262,8 @@ int hw_atl_utils_soft_reset(struct aq_hw_s *self)
AQ_HW_WAIT_FOR((aq_hw_read_reg(self, HW_ATL_MPI_STATE_ADR) &
HW_ATL_MPI_STATE_MSK) == MPI_DEINIT,
10, 1000U);
+ if (err)
+ return err;
}

if (self->rbl_enabled)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 7b6859e4924e..fc16b2b0d0e9 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -519,7 +519,6 @@ static void bcm_sysport_get_wol(struct net_device *dev,
struct ethtool_wolinfo *wol)
{
struct bcm_sysport_priv *priv = netdev_priv(dev);
- u32 reg;

wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER;
wol->wolopts = priv->wolopts;
@@ -527,11 +526,7 @@ static void bcm_sysport_get_wol(struct net_device *dev,
if (!(priv->wolopts & WAKE_MAGICSECURE))
return;

- /* Return the programmed SecureOn password */
- reg = umac_readl(priv, UMAC_PSW_MS);
- put_unaligned_be16(reg, &wol->sopass[0]);
- reg = umac_readl(priv, UMAC_PSW_LS);
- put_unaligned_be32(reg, &wol->sopass[2]);
+ memcpy(wol->sopass, priv->sopass, sizeof(priv->sopass));
}

static int bcm_sysport_set_wol(struct net_device *dev,
@@ -547,13 +542,8 @@ static int bcm_sysport_set_wol(struct net_device *dev,
if (wol->wolopts & ~supported)
return -EINVAL;

- /* Program the SecureOn password */
- if (wol->wolopts & WAKE_MAGICSECURE) {
- umac_writel(priv, get_unaligned_be16(&wol->sopass[0]),
- UMAC_PSW_MS);
- umac_writel(priv, get_unaligned_be32(&wol->sopass[2]),
- UMAC_PSW_LS);
- }
+ if (wol->wolopts & WAKE_MAGICSECURE)
+ memcpy(priv->sopass, wol->sopass, sizeof(priv->sopass));

/* Flag the device and relevant IRQ as wakeup capable */
if (wol->wolopts) {
@@ -2588,13 +2578,18 @@ static int bcm_sysport_suspend_to_wol(struct bcm_sysport_priv *priv)
unsigned int index, i = 0;
u32 reg;

- /* Password has already been programmed */
reg = umac_readl(priv, UMAC_MPD_CTRL);
if (priv->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE))
reg |= MPD_EN;
reg &= ~PSW_EN;
- if (priv->wolopts & WAKE_MAGICSECURE)
+ if (priv->wolopts & WAKE_MAGICSECURE) {
+ /* Program the SecureOn password */
+ umac_writel(priv, get_unaligned_be16(&priv->sopass[0]),
+ UMAC_PSW_MS);
+ umac_writel(priv, get_unaligned_be32(&priv->sopass[2]),
+ UMAC_PSW_LS);
reg |= PSW_EN;
+ }
umac_writel(priv, reg, UMAC_MPD_CTRL);

if (priv->wolopts & WAKE_FILTER) {
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h
index 046c6c1d97fd..36e0adf5c9b8 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.h
+++ b/drivers/net/ethernet/broadcom/bcmsysport.h
@@ -12,6 +12,7 @@
#define __BCM_SYSPORT_H

#include <linux/bitmap.h>
+#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/net_dim.h>

@@ -776,6 +777,7 @@ struct bcm_sysport_priv {
unsigned int crc_fwd:1;
u16 rev;
u32 wolopts;
+ u8 sopass[SOPASS_MAX];
unsigned int wol_irq_disabled:1;

/* MIB related fields */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index e2d92548226a..034f57500f00 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6073,23 +6073,26 @@ static void bnxt_clear_int_mode(struct bnxt *bp)
int bnxt_reserve_rings(struct bnxt *bp)
{
int tcs = netdev_get_num_tc(bp->dev);
+ bool reinit_irq = false;
int rc;

if (!bnxt_need_reserve_rings(bp))
return 0;

- rc = __bnxt_reserve_rings(bp);
- if (rc) {
- netdev_err(bp->dev, "ring reservation failure rc: %d\n", rc);
- return rc;
- }
if (BNXT_NEW_RM(bp) && (bnxt_get_num_msix(bp) != bp->total_irqs)) {
bnxt_ulp_irq_stop(bp);
bnxt_clear_int_mode(bp);
- rc = bnxt_init_int_mode(bp);
+ reinit_irq = true;
+ }
+ rc = __bnxt_reserve_rings(bp);
+ if (reinit_irq) {
+ if (!rc)
+ rc = bnxt_init_int_mode(bp);
bnxt_ulp_irq_restart(bp, rc);
- if (rc)
- return rc;
+ }
+ if (rc) {
+ netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc);
+ return rc;
}
if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) {
netdev_err(bp->dev, "tx ring reservation failure\n");
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 60641e202534..9a7f70db20c7 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1434,7 +1434,8 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
* csum is correct or is zero.
*/
if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc &&
- tcp_udp_csum_ok && ipv4_csum_ok && outer_csum_ok) {
+ tcp_udp_csum_ok && outer_csum_ok &&
+ (ipv4_csum_ok || ipv6)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->csum_level = encap;
}
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index bc6eb30aa20f..41c6fa200e74 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -928,7 +928,7 @@ int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr)
hash = get_mac_addr_hash_code(addr) & HASH_CTRL_ADDR_MASK;

/* Create element to be added to the driver hash table */
- hash_entry = kmalloc(sizeof(*hash_entry), GFP_KERNEL);
+ hash_entry = kmalloc(sizeof(*hash_entry), GFP_ATOMIC);
if (!hash_entry)
return -ENOMEM;
hash_entry->addr = addr;
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index 40705938eecc..f75b9c11b2d2 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -553,7 +553,7 @@ int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)
hash = (crc >> TGEC_HASH_MCAST_SHIFT) & TGEC_HASH_ADR_MSK;

/* Create element to be added to the driver hash table */
- hash_entry = kmalloc(sizeof(*hash_entry), GFP_KERNEL);
+ hash_entry = kmalloc(sizeof(*hash_entry), GFP_ATOMIC);
if (!hash_entry)
return -ENOMEM;
hash_entry->addr = addr;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b7b2f8254ce1..0ccfa6a84535 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2691,6 +2691,8 @@ static int hns3_nic_init_vector_data(struct hns3_nic_priv *priv)

static int hns3_nic_alloc_vector_data(struct hns3_nic_priv *priv)
{
+#define HNS3_VECTOR_PF_MAX_NUM 64
+
struct hnae3_handle *h = priv->ae_handle;
struct hns3_enet_tqp_vector *tqp_vector;
struct hnae3_vector_info *vector;
@@ -2703,6 +2705,8 @@ static int hns3_nic_alloc_vector_data(struct hns3_nic_priv *priv)
/* RSS size, cpu online and vector_num should be the same */
/* Should consider 2p/4p later */
vector_num = min_t(u16, num_online_cpus(), tqp_num);
+ vector_num = min_t(u16, vector_num, HNS3_VECTOR_PF_MAX_NUM);
+
vector = devm_kcalloc(&pdev->dev, vector_num, sizeof(*vector),
GFP_KERNEL);
if (!vector)
@@ -2760,12 +2764,12 @@ static int hns3_nic_uninit_vector_data(struct hns3_nic_priv *priv)

hns3_free_vector_ring_chain(tqp_vector, &vector_ring_chain);

- if (priv->tqp_vector[i].irq_init_flag == HNS3_VECTOR_INITED) {
- (void)irq_set_affinity_hint(
- priv->tqp_vector[i].vector_irq,
- NULL);
- free_irq(priv->tqp_vector[i].vector_irq,
- &priv->tqp_vector[i]);
+ if (tqp_vector->irq_init_flag == HNS3_VECTOR_INITED) {
+ irq_set_affinity_notifier(tqp_vector->vector_irq,
+ NULL);
+ irq_set_affinity_hint(tqp_vector->vector_irq, NULL);
+ free_irq(tqp_vector->vector_irq, tqp_vector);
+ tqp_vector->irq_init_flag = HNS3_VECTOR_NOT_INITED;
}

priv->ring_data[i].ring->irq_init_flag = HNS3_VECTOR_NOT_INITED;
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 7a80652e2500..f84e2c2d02c0 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -122,6 +122,7 @@ enum i40e_state_t {
__I40E_MDD_EVENT_PENDING,
__I40E_VFLR_EVENT_PENDING,
__I40E_RESET_RECOVERY_PENDING,
+ __I40E_TIMEOUT_RECOVERY_PENDING,
__I40E_MISC_IRQ_REQUESTED,
__I40E_RESET_INTR_RECEIVED,
__I40E_REINIT_REQUESTED,
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ed9d3fc4aaba..41fa22c562c1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -336,6 +336,10 @@ static void i40e_tx_timeout(struct net_device *netdev)
(pf->tx_timeout_last_recovery + netdev->watchdog_timeo)))
return; /* don't do any new action before the next timeout */

+ /* don't kick off another recovery if one is already pending */
+ if (test_and_set_bit(__I40E_TIMEOUT_RECOVERY_PENDING, pf->state))
+ return;
+
if (tx_ring) {
head = i40e_get_head(tx_ring);
/* Read interrupt register */
@@ -9566,6 +9570,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired)
clear_bit(__I40E_RESET_FAILED, pf->state);
clear_recovery:
clear_bit(__I40E_RESET_RECOVERY_PENDING, pf->state);
+ clear_bit(__I40E_TIMEOUT_RECOVERY_PENDING, pf->state);
}

/**
@@ -12011,6 +12016,9 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
ether_addr_copy(netdev->dev_addr, mac_addr);
ether_addr_copy(netdev->perm_addr, mac_addr);

+ /* i40iw_net_event() reads 16 bytes from neigh->primary_key */
+ netdev->neigh_priv_len = sizeof(u32) * 4;
+
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->priv_flags |= IFF_SUPP_NOFCS;
/* Setup netdev TC information */
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 3f047bb43348..db1543bca701 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4333,8 +4333,12 @@ static void ice_napi_enable_all(struct ice_vsi *vsi)
if (!vsi->netdev)
return;

- for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++)
- napi_enable(&vsi->q_vectors[q_idx]->napi);
+ for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
+
+ if (q_vector->rx.ring || q_vector->tx.ring)
+ napi_enable(&q_vector->napi);
+ }
}

/**
@@ -4817,8 +4821,12 @@ static void ice_napi_disable_all(struct ice_vsi *vsi)
if (!vsi->netdev)
return;

- for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++)
- napi_disable(&vsi->q_vectors[q_idx]->napi);
+ for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
+
+ if (q_vector->rx.ring || q_vector->tx.ring)
+ napi_disable(&q_vector->napi);
+ }
}

/**
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 0796cef96fa3..ffaa6e031632 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -8770,9 +8770,11 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
rtnl_unlock();

#ifdef CONFIG_PM
- retval = pci_save_state(pdev);
- if (retval)
- return retval;
+ if (!runtime) {
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
+ }
#endif

status = rd32(E1000_STATUS);
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 9c08c3650c02..15dea48e0195 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -152,8 +152,10 @@ static void skge_get_regs(struct net_device *dev, struct ethtool_regs *regs,
memset(p, 0, regs->len);
memcpy_fromio(p, io, B3_RAM_ADDR);

- memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1,
- regs->len - B3_RI_WTO_R1);
+ if (regs->len > B3_RI_WTO_R1) {
+ memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1,
+ regs->len - B3_RI_WTO_R1);
+ }
}

/* Wake on Lan only supported on Yukon chips with rev 1 or above */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 7365899c3ac9..944f21f99d43 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1758,7 +1758,7 @@ static void mlx5e_close_cq(struct mlx5e_cq *cq)

static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix)
{
- return cpumask_first(priv->mdev->priv.irq_info[ix].mask);
+ return cpumask_first(priv->mdev->priv.irq_info[ix + MLX5_EQ_VEC_COMP_BASE].mask);
}

static int mlx5e_open_tx_cqs(struct mlx5e_channel *c,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 8262f093fec4..d3f794d4fb96 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -707,6 +707,8 @@ static u32 mlx5e_get_fcs(const struct sk_buff *skb)
return __get_unaligned_cpu32(fcs_bytes);
}

+#define short_frame(size) ((size) <= ETH_ZLEN + ETH_FCS_LEN)
+
static inline void mlx5e_handle_csum(struct net_device *netdev,
struct mlx5_cqe64 *cqe,
struct mlx5e_rq *rq,
@@ -725,6 +727,17 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
return;
}

+ /* CQE csum doesn't cover padding octets in short ethernet
+ * frames. And the pad field is appended prior to calculating
+ * and appending the FCS field.
+ *
+ * Detecting these padded frames requires to verify and parse
+ * IP headers, so we simply force all those small frames to be
+ * CHECKSUM_UNNECESSARY even if they are not padded.
+ */
+ if (short_frame(skb->len))
+ goto csum_unnecessary;
+
if (likely(is_last_ethertype_ip(skb, &network_depth))) {
skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
@@ -744,6 +757,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
return;
}

+csum_unnecessary:
if (likely((cqe->hds_ip_ext & CQE_L3_OK) &&
(cqe->hds_ip_ext & CQE_L4_OK))) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 6dacaeba2fbf..0b03d65474e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -387,8 +387,14 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS);
contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
if (unlikely(contig_wqebbs_room < num_wqebbs)) {
+#ifdef CONFIG_MLX5_EN_IPSEC
+ struct mlx5_wqe_eth_seg cur_eth = wqe->eth;
+#endif
mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
mlx5e_sq_fetch_wqe(sq, &wqe, &pi);
+#ifdef CONFIG_MLX5_EN_IPSEC
+ wqe->eth = cur_eth;
+#endif
}

/* fill wqe */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 3f767cde4c1d..54f1a40a68ed 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -511,14 +511,14 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev)
ktime_to_ns(ktime_get_real()));

/* Calculate period in seconds to call the overflow watchdog - to make
- * sure counter is checked at least once every wrap around.
+ * sure counter is checked at least twice every wrap around.
* The period is calculated as the minimum between max HW cycles count
* (The clock source mask) and max amount of cycles that can be
* multiplied by clock multiplier where the result doesn't exceed
* 64bits.
*/
overflow_cycles = div64_u64(~0ULL >> 1, clock->cycles.mult);
- overflow_cycles = min(overflow_cycles, clock->cycles.mask >> 1);
+ overflow_cycles = min(overflow_cycles, div_u64(clock->cycles.mask, 3));

ns = cyclecounter_cyc2ns(&clock->cycles, overflow_cycles,
frac, &frac);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index b5e9f664fc66..563ce3fedab4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -640,18 +640,19 @@ u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev)
static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)
{
struct mlx5_priv *priv = &mdev->priv;
- int irq = pci_irq_vector(mdev->pdev, MLX5_EQ_VEC_COMP_BASE + i);
+ int vecidx = MLX5_EQ_VEC_COMP_BASE + i;
+ int irq = pci_irq_vector(mdev->pdev, vecidx);

- if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) {
+ if (!zalloc_cpumask_var(&priv->irq_info[vecidx].mask, GFP_KERNEL)) {
mlx5_core_warn(mdev, "zalloc_cpumask_var failed");
return -ENOMEM;
}

cpumask_set_cpu(cpumask_local_spread(i, priv->numa_node),
- priv->irq_info[i].mask);
+ priv->irq_info[vecidx].mask);

if (IS_ENABLED(CONFIG_SMP) &&
- irq_set_affinity_hint(irq, priv->irq_info[i].mask))
+ irq_set_affinity_hint(irq, priv->irq_info[vecidx].mask))
mlx5_core_warn(mdev, "irq_set_affinity_hint failed, irq 0x%.4x", irq);

return 0;
@@ -659,11 +660,12 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)

static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i)
{
+ int vecidx = MLX5_EQ_VEC_COMP_BASE + i;
struct mlx5_priv *priv = &mdev->priv;
- int irq = pci_irq_vector(mdev->pdev, MLX5_EQ_VEC_COMP_BASE + i);
+ int irq = pci_irq_vector(mdev->pdev, vecidx);

irq_set_affinity_hint(irq, NULL);
- free_cpumask_var(priv->irq_info[i].mask);
+ free_cpumask_var(priv->irq_info[vecidx].mask);
}

static int mlx5_irq_set_affinity_hints(struct mlx5_core_dev *mdev)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index de821a9fdfaf..d64cd8d44d83 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4235,6 +4235,25 @@ void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port)
dev_put(mlxsw_sp_port->dev);
}

+static void
+mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct net_device *lag_dev)
+{
+ struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev);
+ struct net_device *upper_dev;
+ struct list_head *iter;
+
+ if (netif_is_bridge_port(lag_dev))
+ mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev);
+
+ netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
+ if (!netif_is_bridge_port(upper_dev))
+ continue;
+ br_dev = netdev_master_upper_dev_get(upper_dev);
+ mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev);
+ }
+}
+
static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
{
char sldr_pl[MLXSW_REG_SLDR_LEN];
@@ -4427,6 +4446,10 @@ static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,

/* Any VLANs configured on the port are no longer valid */
mlxsw_sp_port_vlan_flush(mlxsw_sp_port);
+ /* Make the LAG and its directly linked uppers leave bridges they
+ * are memeber in
+ */
+ mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev);

if (lag->ref_count == 1)
mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index e171513bb32a..30931a2c025b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -95,8 +95,9 @@ int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp,
if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, KVD_SIZE))
return -EIO;

- max_priority = MLXSW_CORE_RES_GET(mlxsw_sp->core, KVD_SIZE);
- if (rulei->priority > max_priority)
+ /* Priority range is 1..cap_kvd_size-1. */
+ max_priority = MLXSW_CORE_RES_GET(mlxsw_sp->core, KVD_SIZE) - 1;
+ if (rulei->priority >= max_priority)
return -EINVAL;

/* Unlike in TC, in HW, higher number means higher priority. */
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 0d9ea37c5d21..cdec48bcc6ad 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -282,30 +282,6 @@ mlxsw_sp_bridge_port_destroy(struct mlxsw_sp_bridge_port *bridge_port)
kfree(bridge_port);
}

-static bool
-mlxsw_sp_bridge_port_should_destroy(const struct mlxsw_sp_bridge_port *
- bridge_port)
-{
- struct net_device *dev = bridge_port->dev;
- struct mlxsw_sp *mlxsw_sp;
-
- if (is_vlan_dev(dev))
- mlxsw_sp = mlxsw_sp_lower_get(vlan_dev_real_dev(dev));
- else
- mlxsw_sp = mlxsw_sp_lower_get(dev);
-
- /* In case ports were pulled from out of a bridged LAG, then
- * it's possible the reference count isn't zero, yet the bridge
- * port should be destroyed, as it's no longer an upper of ours.
- */
- if (!mlxsw_sp && list_empty(&bridge_port->vlans_list))
- return true;
- else if (bridge_port->ref_count == 0)
- return true;
- else
- return false;
-}
-
static struct mlxsw_sp_bridge_port *
mlxsw_sp_bridge_port_get(struct mlxsw_sp_bridge *bridge,
struct net_device *brport_dev)
@@ -343,8 +319,7 @@ static void mlxsw_sp_bridge_port_put(struct mlxsw_sp_bridge *bridge,
{
struct mlxsw_sp_bridge_device *bridge_device;

- bridge_port->ref_count--;
- if (!mlxsw_sp_bridge_port_should_destroy(bridge_port))
+ if (--bridge_port->ref_count != 0)
return;
bridge_device = bridge_port->bridge_device;
mlxsw_sp_bridge_port_destroy(bridge_port);
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 9319d84bf49f..d84501441edd 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -8100,6 +8100,8 @@ static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end)
start += 3;

prop_len = niu_pci_eeprom_read(np, start + 4);
+ if (prop_len < 0)
+ return prop_len;
err = niu_pci_vpd_get_propname(np, start + 5, namebuf, 64);
if (err < 0)
return err;
@@ -8144,8 +8146,12 @@ static int niu_pci_vpd_scan_props(struct niu *np, u32 start, u32 end)
netif_printk(np, probe, KERN_DEBUG, np->dev,
"VPD_SCAN: Reading in property [%s] len[%d]\n",
namebuf, prop_len);
- for (i = 0; i < prop_len; i++)
- *prop_buf++ = niu_pci_eeprom_read(np, off + i);
+ for (i = 0; i < prop_len; i++) {
+ err = niu_pci_eeprom_read(np, off + i);
+ if (err >= 0)
+ *prop_buf = err;
+ ++prop_buf;
+ }
}

start += len;
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index 29aa8d772b0c..59b3f1fbabd4 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -896,14 +896,14 @@ static void decode_txts(struct dp83640_private *dp83640,
struct phy_txts *phy_txts)
{
struct skb_shared_hwtstamps shhwtstamps;
+ struct dp83640_skb_info *skb_info;
struct sk_buff *skb;
- u64 ns;
u8 overflow;
+ u64 ns;

/* We must already have the skb that triggered this. */
-
+again:
skb = skb_dequeue(&dp83640->tx_queue);
-
if (!skb) {
pr_debug("have timestamp but tx_queue empty\n");
return;
@@ -918,6 +918,11 @@ static void decode_txts(struct dp83640_private *dp83640,
}
return;
}
+ skb_info = (struct dp83640_skb_info *)skb->cb;
+ if (time_after(jiffies, skb_info->tmo)) {
+ kfree_skb(skb);
+ goto again;
+ }

ns = phy2txts(phy_txts);
memset(&shhwtstamps, 0, sizeof(shhwtstamps));
@@ -1470,6 +1475,7 @@ static bool dp83640_rxtstamp(struct phy_device *phydev,
static void dp83640_txtstamp(struct phy_device *phydev,
struct sk_buff *skb, int type)
{
+ struct dp83640_skb_info *skb_info = (struct dp83640_skb_info *)skb->cb;
struct dp83640_private *dp83640 = phydev->priv;

switch (dp83640->hwts_tx_en) {
@@ -1482,6 +1488,7 @@ static void dp83640_txtstamp(struct phy_device *phydev,
/* fall through */
case HWTSTAMP_TX_ON:
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+ skb_info->tmo = jiffies + SKB_TIMESTAMP_TIMEOUT;
skb_queue_tail(&dp83640->tx_queue, skb);
break;

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index d71be15c8c69..73813c7afa49 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -868,8 +868,6 @@ static int m88e1510_config_init(struct phy_device *phydev)

/* SGMII-to-Copper mode initialization */
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
- u32 pause;
-
/* Select page 18 */
err = marvell_set_page(phydev, 18);
if (err < 0)
@@ -892,16 +890,6 @@ static int m88e1510_config_init(struct phy_device *phydev)
err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE);
if (err < 0)
return err;
-
- /* There appears to be a bug in the 88e1512 when used in
- * SGMII to copper mode, where the AN advertisement register
- * clears the pause bits each time a negotiation occurs.
- * This means we can never be truely sure what was advertised,
- * so disable Pause support.
- */
- pause = SUPPORTED_Pause | SUPPORTED_Asym_Pause;
- phydev->supported &= ~pause;
- phydev->advertising &= ~pause;
}

return m88e1318_config_init(phydev);
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index f2d01cb6f958..6e971628bb50 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1295,6 +1295,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->features |= NETIF_F_RXCSUM;

dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+ set_bit(EVENT_NO_IP_ALIGN, &dev->flags);

smsc95xx_init_mac_address(dev);

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 42feaa4d2916..c88ee376a2eb 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -502,6 +502,8 @@ static int virtnet_xdp_xmit(struct net_device *dev,
struct bpf_prog *xdp_prog;
struct send_queue *sq;
unsigned int len;
+ int packets = 0;
+ int bytes = 0;
int drops = 0;
int kicks = 0;
int ret, err;
@@ -525,10 +527,18 @@ static int virtnet_xdp_xmit(struct net_device *dev,

/* Free up any pending old buffers before queueing new ones. */
while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) {
- if (likely(is_xdp_frame(ptr)))
- xdp_return_frame(ptr_to_xdp(ptr));
- else
- napi_consume_skb(ptr, false);
+ if (likely(is_xdp_frame(ptr))) {
+ struct xdp_frame *frame = ptr_to_xdp(ptr);
+
+ bytes += frame->len;
+ xdp_return_frame(frame);
+ } else {
+ struct sk_buff *skb = ptr;
+
+ bytes += skb->len;
+ napi_consume_skb(skb, false);
+ }
+ packets++;
}

for (i = 0; i < n; i++) {
@@ -548,6 +558,8 @@ static int virtnet_xdp_xmit(struct net_device *dev,
}
out:
u64_stats_update_begin(&sq->stats.syncp);
+ sq->stats.bytes += bytes;
+ sq->stats.packets += packets;
sq->stats.xdp_tx += n;
sq->stats.xdp_tx_drops += drops;
sq->stats.kicks += kicks;
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index c40cd129afe7..5210cffb5344 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -532,6 +532,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
.hw_ops = &wcn3990_ops,
.decap_align_bytes = 1,
.num_peers = TARGET_HL_10_TLV_NUM_PEERS,
+ .n_cipher_suites = 8,
.ast_skid_limit = TARGET_HL_10_TLV_AST_SKID_LIMIT,
.num_wds_entries = TARGET_HL_10_TLV_NUM_WDS_ENTRIES,
.target_64bit = true,
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 21ba20981a80..0fca44e91a71 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -272,7 +272,7 @@ struct ath_node {
#endif
u8 key_idx[4];

- u32 ackto;
+ int ackto;
struct list_head list;
};

diff --git a/drivers/net/wireless/ath/ath9k/dynack.c b/drivers/net/wireless/ath/ath9k/dynack.c
index 7334c9b09e82..6e236a485431 100644
--- a/drivers/net/wireless/ath/ath9k/dynack.c
+++ b/drivers/net/wireless/ath/ath9k/dynack.c
@@ -29,9 +29,13 @@
* ath_dynack_ewma - EWMA (Exponentially Weighted Moving Average) calculation
*
*/
-static inline u32 ath_dynack_ewma(u32 old, u32 new)
+static inline int ath_dynack_ewma(int old, int new)
{
- return (new * (EWMA_DIV - EWMA_LEVEL) + old * EWMA_LEVEL) / EWMA_DIV;
+ if (old > 0)
+ return (new * (EWMA_DIV - EWMA_LEVEL) +
+ old * EWMA_LEVEL) / EWMA_DIV;
+ else
+ return new;
}

/**
@@ -82,10 +86,10 @@ static inline bool ath_dynack_bssidmask(struct ath_hw *ah, const u8 *mac)
*/
static void ath_dynack_compute_ackto(struct ath_hw *ah)
{
- struct ath_node *an;
- u32 to = 0;
- struct ath_dynack *da = &ah->dynack;
struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_dynack *da = &ah->dynack;
+ struct ath_node *an;
+ int to = 0;

list_for_each_entry(an, &da->nodes, list)
if (an->ackto > to)
@@ -144,7 +148,8 @@ static void ath_dynack_compute_to(struct ath_hw *ah)
an->ackto = ath_dynack_ewma(an->ackto,
ackto);
ath_dbg(ath9k_hw_common(ah), DYNACK,
- "%pM to %u\n", dst, an->ackto);
+ "%pM to %d [%u]\n", dst,
+ an->ackto, ackto);
if (time_is_before_jiffies(da->lto)) {
ath_dynack_compute_ackto(ah);
da->lto = jiffies + COMPUTE_TO;
@@ -166,10 +171,12 @@ static void ath_dynack_compute_to(struct ath_hw *ah)
* @ah: ath hw
* @skb: socket buffer
* @ts: tx status info
+ * @sta: station pointer
*
*/
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
- struct ath_tx_status *ts)
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta)
{
u8 ridx;
struct ieee80211_hdr *hdr;
@@ -177,7 +184,7 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);

- if ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !da->enabled)
+ if (!da->enabled || (info->flags & IEEE80211_TX_CTL_NO_ACK))
return;

spin_lock_bh(&da->qlock);
@@ -187,11 +194,19 @@ void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
/* late ACK */
if (ts->ts_status & ATH9K_TXERR_XRETRY) {
if (ieee80211_is_assoc_req(hdr->frame_control) ||
- ieee80211_is_assoc_resp(hdr->frame_control)) {
+ ieee80211_is_assoc_resp(hdr->frame_control) ||
+ ieee80211_is_auth(hdr->frame_control)) {
ath_dbg(common, DYNACK, "late ack\n");
+
ath9k_hw_setslottime(ah, (LATEACK_TO - 3) / 2);
ath9k_hw_set_ack_timeout(ah, LATEACK_TO);
ath9k_hw_set_cts_timeout(ah, LATEACK_TO);
+ if (sta) {
+ struct ath_node *an;
+
+ an = (struct ath_node *)sta->drv_priv;
+ an->ackto = -1;
+ }
da->lto = jiffies + LATEACK_DELAY;
}

@@ -251,7 +266,7 @@ void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb,
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;

- if (!ath_dynack_bssidmask(ah, hdr->addr1) || !da->enabled)
+ if (!da->enabled || !ath_dynack_bssidmask(ah, hdr->addr1))
return;

spin_lock_bh(&da->qlock);
diff --git a/drivers/net/wireless/ath/ath9k/dynack.h b/drivers/net/wireless/ath/ath9k/dynack.h
index 6d7bef976742..cf60224d40df 100644
--- a/drivers/net/wireless/ath/ath9k/dynack.h
+++ b/drivers/net/wireless/ath/ath9k/dynack.h
@@ -86,7 +86,8 @@ void ath_dynack_node_deinit(struct ath_hw *ah, struct ath_node *an);
void ath_dynack_init(struct ath_hw *ah);
void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb, u32 ts);
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
- struct ath_tx_status *ts);
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta);
#else
static inline void ath_dynack_init(struct ath_hw *ah) {}
static inline void ath_dynack_node_init(struct ath_hw *ah,
@@ -97,7 +98,8 @@ static inline void ath_dynack_sample_ack_ts(struct ath_hw *ah,
struct sk_buff *skb, u32 ts) {}
static inline void ath_dynack_sample_tx_ts(struct ath_hw *ah,
struct sk_buff *skb,
- struct ath_tx_status *ts) {}
+ struct ath_tx_status *ts,
+ struct ieee80211_sta *sta) {}
#endif

#endif /* DYNACK_H */
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 43b6c8508e49..4b7a7fc2a0fe 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -629,7 +629,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
if (bf == bf->bf_lastbf)
ath_dynack_sample_tx_ts(sc->sc_ah,
bf->bf_mpdu,
- ts);
+ ts, sta);
}

ath_tx_complete_buf(sc, bf, txq, &bf_head, sta, ts,
@@ -773,7 +773,8 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
memcpy(info->control.rates, bf->rates,
sizeof(info->control.rates));
ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
- ath_dynack_sample_tx_ts(sc->sc_ah, bf->bf_mpdu, ts);
+ ath_dynack_sample_tx_ts(sc->sc_ah, bf->bf_mpdu, ts,
+ sta);
}
ath_tx_complete_buf(sc, bf, txq, bf_head, sta, ts, txok);
} else
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 7debed6bec06..a0fe8cbad104 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -995,10 +995,13 @@ static int wil_target_reset(struct wil6210_priv *wil, int no_flash)

wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name);

- /* Clear MAC link up */
- wil_s(wil, RGF_HP_CTRL, BIT(15));
- wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_HPAL_PERST_FROM_PAD);
- wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
+ if (wil->hw_version < HW_VER_TALYN) {
+ /* Clear MAC link up */
+ wil_s(wil, RGF_HP_CTRL, BIT(15));
+ wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0,
+ BIT_HPAL_PERST_FROM_PAD);
+ wil_s(wil, RGF_USER_CLKS_CTL_SW_RST_MASK_0, BIT_CAR_PERST_RST);
+ }

wil_halt_cpu(wil);

diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index 6a7943e487fb..75c8aa297107 100644
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -1313,6 +1313,8 @@ static struct wil_ring *wil_find_tx_bcast_2(struct wil6210_priv *wil,
wil_dbg_txrx(wil, "BCAST DUP -> ring %d\n", i);
wil_set_da_for_vring(wil, skb2, i);
wil_tx_ring(wil, vif, v2, skb2);
+ /* successful call to wil_tx_ring takes skb2 ref */
+ dev_kfree_skb_any(skb2);
} else {
wil_err(wil, "skb_copy failed\n");
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
index 55594c93b014..47dbd2d3e3b4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac.h
@@ -442,7 +442,7 @@ struct iwl_he_backoff_conf {
* Support for Nss x BW (or RU) matrix:
* (0=SISO, 1=MIMO2) x (0-20MHz, 1-40MHz, 2-80MHz, 3-160MHz)
* Each entry contains 2 QAM thresholds for 8us and 16us:
- * 0=BPSK, 1=QPSK, 2=16QAM, 3=64QAM, 4=256QAM, 5=1024QAM, 6/7=RES
+ * 0=BPSK, 1=QPSK, 2=16QAM, 3=64QAM, 4=256QAM, 5=1024QAM, 6=RES, 7=NONE
* i.e. QAM_th1 < QAM_th2 such if TX uses QAM_tx:
* QAM_tx < QAM_th1 --> PPE=0us
* QAM_th1 <= QAM_tx < QAM_th2 --> PPE=8us
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 9a764af30f36..0f357e8c4f94 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -1997,7 +1997,13 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
if (sta->he_cap.he_cap_elem.mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BQR_SUPP);

- /* If PPE Thresholds exist, parse them into a FW-familiar format */
+ /*
+ * Initialize the PPE thresholds to "None" (7), as described in Table
+ * 9-262ac of 80211.ax/D3.0.
+ */
+ memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext));
+
+ /* If PPE Thresholds exist, parse them into a FW-familiar format. */
if (sta->he_cap.he_cap_elem.phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
u8 nss = (sta->he_cap.ppe_thres[0] &
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index 8169d1450b3b..d1c1a8069c7e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -98,8 +98,12 @@ static u8 rs_fw_sgi_cw_support(struct ieee80211_sta *sta)
{
struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
+ struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
u8 supp = 0;

+ if (he_cap && he_cap->has_he)
+ return 0;
+
if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
supp |= BIT(IWL_TLC_MNG_CH_WIDTH_20MHZ);
if (ht_cap->cap & IEEE80211_HT_CAP_SGI_40)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c
index 374cc655c11d..16e6b6970e28 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c
@@ -799,7 +799,7 @@ static void mt76x2_dfs_set_bbp_params(struct mt76x2_dev *dev)

/* enable detection*/
mt76_wr(dev, MT_BBP(DFS, 0), MT_DFS_CH_EN << 16);
- mt76_wr(dev, 0x212c, 0x0c350001);
+ mt76_wr(dev, MT_BBP(IBI, 11), 0x0c350001);
}

void mt76x2_dfs_adjust_agc(struct mt76x2_dev *dev)
@@ -842,7 +842,11 @@ void mt76x2_dfs_init_params(struct mt76x2_dev *dev)
mt76_wr(dev, MT_BBP(DFS, 0), 0);
/* clear detector status */
mt76_wr(dev, MT_BBP(DFS, 1), 0xf);
- mt76_wr(dev, 0x212c, 0);
+ if (mt76_chip(&dev->mt76) == 0x7610 ||
+ mt76_chip(&dev->mt76) == 0x7630)
+ mt76_wr(dev, MT_BBP(IBI, 11), 0xfde8081);
+ else
+ mt76_wr(dev, MT_BBP(IBI, 11), 0);

mt76x2_irq_disable(dev, MT_INT_GPTIMER);
mt76_rmw_field(dev, MT_INT_TIMER_EN,
diff --git a/drivers/net/wireless/st/cw1200/scan.c b/drivers/net/wireless/st/cw1200/scan.c
index 67213f11acbd..0a9eac93dd01 100644
--- a/drivers/net/wireless/st/cw1200/scan.c
+++ b/drivers/net/wireless/st/cw1200/scan.c
@@ -78,6 +78,10 @@ int cw1200_hw_scan(struct ieee80211_hw *hw,
if (req->n_ssids > WSM_SCAN_MAX_NUM_OF_SSIDS)
return -EINVAL;

+ /* will be unlocked in cw1200_scan_work() */
+ down(&priv->scan.lock);
+ mutex_lock(&priv->conf_mutex);
+
frame.skb = ieee80211_probereq_get(hw, priv->vif->addr, NULL, 0,
req->ie_len);
if (!frame.skb)
@@ -86,19 +90,15 @@ int cw1200_hw_scan(struct ieee80211_hw *hw,
if (req->ie_len)
skb_put_data(frame.skb, req->ie, req->ie_len);

- /* will be unlocked in cw1200_scan_work() */
- down(&priv->scan.lock);
- mutex_lock(&priv->conf_mutex);
-
ret = wsm_set_template_frame(priv, &frame);
if (!ret) {
/* Host want to be the probe responder. */
ret = wsm_set_probe_responder(priv, true);
}
if (ret) {
+ dev_kfree_skb(frame.skb);
mutex_unlock(&priv->conf_mutex);
up(&priv->scan.lock);
- dev_kfree_skb(frame.skb);
return ret;
}

@@ -120,10 +120,9 @@ int cw1200_hw_scan(struct ieee80211_hw *hw,
++priv->scan.n_ssids;
}

- mutex_unlock(&priv->conf_mutex);
-
if (frame.skb)
dev_kfree_skb(frame.skb);
+ mutex_unlock(&priv->conf_mutex);
queue_work(priv->workqueue, &priv->scan.work);
return 0;
}
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 31ff03dbeb83..f3433bf47b10 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -191,12 +191,12 @@ unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev)
if (IS_ERR(opp_table))
return 0;

- count = opp_table->regulator_count;
-
/* Regulator may not be required for the device */
- if (!count)
+ if (!opp_table->regulators)
goto put_opp_table;

+ count = opp_table->regulator_count;
+
uV = kmalloc_array(count, sizeof(*uV), GFP_KERNEL);
if (!uV)
goto put_opp_table;
@@ -976,6 +976,9 @@ static bool _opp_supported_by_regulators(struct dev_pm_opp *opp,
struct regulator *reg;
int i;

+ if (!opp_table->regulators)
+ return true;
+
for (i = 0; i < opp_table->regulator_count; i++) {
reg = opp_table->regulators[i];

@@ -1263,7 +1266,7 @@ static int _allocate_set_opp_data(struct opp_table *opp_table)
struct dev_pm_set_opp_data *data;
int len, count = opp_table->regulator_count;

- if (WARN_ON(!count))
+ if (WARN_ON(!opp_table->regulators))
return -EINVAL;

/* space for set_opp_data */
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 975050a69494..3826b444298c 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -66,6 +66,7 @@ struct imx6_pcie {
#define PHY_PLL_LOCK_WAIT_USLEEP_MAX 200

/* PCIe Root Complex registers (memory-mapped) */
+#define PCIE_RC_IMX6_MSI_CAP 0x50
#define PCIE_RC_LCR 0x7c
#define PCIE_RC_LCR_MAX_LINK_SPEEDS_GEN1 0x1
#define PCIE_RC_LCR_MAX_LINK_SPEEDS_GEN2 0x2
@@ -682,6 +683,7 @@ static int imx6_pcie_probe(struct platform_device *pdev)
struct resource *dbi_base;
struct device_node *node = dev->of_node;
int ret;
+ u16 val;

imx6_pcie = devm_kzalloc(dev, sizeof(*imx6_pcie), GFP_KERNEL);
if (!imx6_pcie)
@@ -816,6 +818,14 @@ static int imx6_pcie_probe(struct platform_device *pdev)
if (ret < 0)
return ret;

+ if (pci_msi_enabled()) {
+ val = dw_pcie_readw_dbi(pci, PCIE_RC_IMX6_MSI_CAP +
+ PCI_MSI_FLAGS);
+ val |= PCI_MSI_FLAGS_ENABLE;
+ dw_pcie_writew_dbi(pci, PCIE_RC_IMX6_MSI_CAP + PCI_MSI_FLAGS,
+ val);
+ }
+
return 0;
}

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 54a8b30dda38..37d0c15c9eeb 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -800,6 +800,7 @@ static int ioctl_event_ctl(struct switchtec_dev *stdev,
{
int ret;
int nr_idxs;
+ unsigned int event_flags;
struct switchtec_ioctl_event_ctl ctl;

if (copy_from_user(&ctl, uctl, sizeof(ctl)))
@@ -821,7 +822,9 @@ static int ioctl_event_ctl(struct switchtec_dev *stdev,
else
return -EINVAL;

+ event_flags = ctl.flags;
for (ctl.index = 0; ctl.index < nr_idxs; ctl.index++) {
+ ctl.flags = event_flags;
ret = event_ctl(stdev, &ctl);
if (ret < 0)
return ret;
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 54ec278d2fc4..e1a77b2de78a 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -927,6 +927,11 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)

idx = atomic_inc_return(&pmu_idx);
name = devm_kasprintf(dev, GFP_KERNEL, "%s_%d", PMUNAME, idx);
+ if (!name) {
+ dev_err(dev, "failed to allocate name for pmu %d\n", idx);
+ return -ENOMEM;
+ }
+
return perf_pmu_register(&spe_pmu->pmu, name, -1);
}

diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
index d4dcd39b8d76..881078ff73f6 100644
--- a/drivers/phy/allwinner/phy-sun4i-usb.c
+++ b/drivers/phy/allwinner/phy-sun4i-usb.c
@@ -126,6 +126,7 @@ struct sun4i_usb_phy_cfg {
bool dedicated_clocks;
bool enable_pmu_unk1;
bool phy0_dual_route;
+ int missing_phys;
};

struct sun4i_usb_phy_data {
@@ -646,6 +647,9 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev,
if (args->args[0] >= data->cfg->num_phys)
return ERR_PTR(-ENODEV);

+ if (data->cfg->missing_phys & BIT(args->args[0]))
+ return ERR_PTR(-ENODEV);
+
return data->phys[args->args[0]].phy;
}

@@ -741,6 +745,9 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
struct sun4i_usb_phy *phy = data->phys + i;
char name[16];

+ if (data->cfg->missing_phys & BIT(i))
+ continue;
+
snprintf(name, sizeof(name), "usb%d_vbus", i);
phy->vbus = devm_regulator_get_optional(dev, name);
if (IS_ERR(phy->vbus)) {
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index fa530913a2c8..08925d24180b 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -90,7 +90,7 @@ struct bcm2835_pinctrl {
struct gpio_chip gpio_chip;
struct pinctrl_gpio_range gpio_range;

- spinlock_t irq_lock[BCM2835_NUM_BANKS];
+ raw_spinlock_t irq_lock[BCM2835_NUM_BANKS];
};

/* pins are just named GPIO0..GPIO53 */
@@ -461,10 +461,10 @@ static void bcm2835_gpio_irq_enable(struct irq_data *data)
unsigned bank = GPIO_REG_OFFSET(gpio);
unsigned long flags;

- spin_lock_irqsave(&pc->irq_lock[bank], flags);
+ raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);
set_bit(offset, &pc->enabled_irq_map[bank]);
bcm2835_gpio_irq_config(pc, gpio, true);
- spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
+ raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
}

static void bcm2835_gpio_irq_disable(struct irq_data *data)
@@ -476,12 +476,12 @@ static void bcm2835_gpio_irq_disable(struct irq_data *data)
unsigned bank = GPIO_REG_OFFSET(gpio);
unsigned long flags;

- spin_lock_irqsave(&pc->irq_lock[bank], flags);
+ raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);
bcm2835_gpio_irq_config(pc, gpio, false);
/* Clear events that were latched prior to clearing event sources */
bcm2835_gpio_set_bit(pc, GPEDS0, gpio);
clear_bit(offset, &pc->enabled_irq_map[bank]);
- spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
+ raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
}

static int __bcm2835_gpio_irq_set_type_disabled(struct bcm2835_pinctrl *pc,
@@ -584,7 +584,7 @@ static int bcm2835_gpio_irq_set_type(struct irq_data *data, unsigned int type)
unsigned long flags;
int ret;

- spin_lock_irqsave(&pc->irq_lock[bank], flags);
+ raw_spin_lock_irqsave(&pc->irq_lock[bank], flags);

if (test_bit(offset, &pc->enabled_irq_map[bank]))
ret = __bcm2835_gpio_irq_set_type_enabled(pc, gpio, type);
@@ -596,7 +596,7 @@ static int bcm2835_gpio_irq_set_type(struct irq_data *data, unsigned int type)
else
irq_set_handler_locked(data, handle_level_irq);

- spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
+ raw_spin_unlock_irqrestore(&pc->irq_lock[bank], flags);

return ret;
}
@@ -1047,7 +1047,7 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
for_each_set_bit(offset, &events, 32)
bcm2835_gpio_wr(pc, GPEDS0 + i * 4, BIT(offset));

- spin_lock_init(&pc->irq_lock[i]);
+ raw_spin_lock_init(&pc->irq_lock[i]);
}

err = gpiochip_add_data(&pc->gpio_chip, pc);
diff --git a/drivers/pinctrl/meson/pinctrl-meson8.c b/drivers/pinctrl/meson/pinctrl-meson8.c
index 86466173114d..e482672e833a 100644
--- a/drivers/pinctrl/meson/pinctrl-meson8.c
+++ b/drivers/pinctrl/meson/pinctrl-meson8.c
@@ -807,7 +807,9 @@ static const char * const gpio_groups[] = {
"BOOT_5", "BOOT_6", "BOOT_7", "BOOT_8", "BOOT_9",
"BOOT_10", "BOOT_11", "BOOT_12", "BOOT_13", "BOOT_14",
"BOOT_15", "BOOT_16", "BOOT_17", "BOOT_18",
+};

+static const char * const gpio_aobus_groups[] = {
"GPIOAO_0", "GPIOAO_1", "GPIOAO_2", "GPIOAO_3",
"GPIOAO_4", "GPIOAO_5", "GPIOAO_6", "GPIOAO_7",
"GPIOAO_8", "GPIOAO_9", "GPIOAO_10", "GPIOAO_11",
@@ -1030,6 +1032,7 @@ static struct meson_pmx_func meson8_cbus_functions[] = {
};

static struct meson_pmx_func meson8_aobus_functions[] = {
+ FUNCTION(gpio_aobus),
FUNCTION(uart_ao),
FUNCTION(remote),
FUNCTION(i2c_slave_ao),
diff --git a/drivers/pinctrl/meson/pinctrl-meson8b.c b/drivers/pinctrl/meson/pinctrl-meson8b.c
index 647ad15d5c3c..91cffc051055 100644
--- a/drivers/pinctrl/meson/pinctrl-meson8b.c
+++ b/drivers/pinctrl/meson/pinctrl-meson8b.c
@@ -646,16 +646,18 @@ static const char * const gpio_groups[] = {
"BOOT_10", "BOOT_11", "BOOT_12", "BOOT_13", "BOOT_14",
"BOOT_15", "BOOT_16", "BOOT_17", "BOOT_18",

- "GPIOAO_0", "GPIOAO_1", "GPIOAO_2", "GPIOAO_3",
- "GPIOAO_4", "GPIOAO_5", "GPIOAO_6", "GPIOAO_7",
- "GPIOAO_8", "GPIOAO_9", "GPIOAO_10", "GPIOAO_11",
- "GPIOAO_12", "GPIOAO_13", "GPIO_BSD_EN", "GPIO_TEST_N",
-
"DIF_0_P", "DIF_0_N", "DIF_1_P", "DIF_1_N",
"DIF_2_P", "DIF_2_N", "DIF_3_P", "DIF_3_N",
"DIF_4_P", "DIF_4_N"
};

+static const char * const gpio_aobus_groups[] = {
+ "GPIOAO_0", "GPIOAO_1", "GPIOAO_2", "GPIOAO_3",
+ "GPIOAO_4", "GPIOAO_5", "GPIOAO_6", "GPIOAO_7",
+ "GPIOAO_8", "GPIOAO_9", "GPIOAO_10", "GPIOAO_11",
+ "GPIOAO_12", "GPIOAO_13", "GPIO_BSD_EN", "GPIO_TEST_N"
+};
+
static const char * const sd_a_groups[] = {
"sd_d0_a", "sd_d1_a", "sd_d2_a", "sd_d3_a", "sd_clk_a",
"sd_cmd_a"
@@ -871,6 +873,7 @@ static struct meson_pmx_func meson8b_cbus_functions[] = {
};

static struct meson_pmx_func meson8b_aobus_functions[] = {
+ FUNCTION(gpio_aobus),
FUNCTION(uart_ao),
FUNCTION(uart_ao_b),
FUNCTION(i2c_slave_ao),
diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index cbf58a10113d..4d87d75b9c6e 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -1166,7 +1166,6 @@ static int sx150x_probe(struct i2c_client *client,
}

/* Register GPIO controller */
- pctl->gpio.label = devm_kstrdup(dev, client->name, GFP_KERNEL);
pctl->gpio.base = -1;
pctl->gpio.ngpio = pctl->data->npins;
pctl->gpio.get_direction = sx150x_gpio_get_direction;
@@ -1180,6 +1179,10 @@ static int sx150x_probe(struct i2c_client *client,
pctl->gpio.of_node = dev->of_node;
#endif
pctl->gpio.can_sleep = true;
+ pctl->gpio.label = devm_kstrdup(dev, client->name, GFP_KERNEL);
+ if (!pctl->gpio.label)
+ return -ENOMEM;
+
/*
* Setting multiple pins is not safe when all pins are not
* handled by the same regmap register. The oscio pin (present
@@ -1200,13 +1203,15 @@ static int sx150x_probe(struct i2c_client *client,

/* Add Interrupt support if an irq is specified */
if (client->irq > 0) {
- pctl->irq_chip.name = devm_kstrdup(dev, client->name,
- GFP_KERNEL);
pctl->irq_chip.irq_mask = sx150x_irq_mask;
pctl->irq_chip.irq_unmask = sx150x_irq_unmask;
pctl->irq_chip.irq_set_type = sx150x_irq_set_type;
pctl->irq_chip.irq_bus_lock = sx150x_irq_bus_lock;
pctl->irq_chip.irq_bus_sync_unlock = sx150x_irq_bus_sync_unlock;
+ pctl->irq_chip.name = devm_kstrdup(dev, client->name,
+ GFP_KERNEL);
+ if (!pctl->irq_chip.name)
+ return -ENOMEM;

pctl->irq.masked = ~0;
pctl->irq.sense = 0;
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index b6fd4838f60f..e5d5b1adb5a9 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -575,6 +575,7 @@ static int get_keyboard_state_event(struct cros_ec_device *ec_dev)

int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event)
{
+ u8 event_type;
u32 host_event;
int ret;

@@ -594,11 +595,22 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev, bool *wake_event)
return ret;

if (wake_event) {
+ event_type = ec_dev->event_data.event_type;
host_event = cros_ec_get_host_event(ec_dev);

- /* Consider non-host_event as wake event */
- *wake_event = !host_event ||
- !!(host_event & ec_dev->host_event_wake_mask);
+ /*
+ * Sensor events need to be parsed by the sensor sub-device.
+ * Defer them, and don't report the wakeup here.
+ */
+ if (event_type == EC_MKBP_EVENT_SENSOR_FIFO)
+ *wake_event = false;
+ /* Masked host-events should not count as wake events. */
+ else if (host_event &&
+ !(host_event & ec_dev->host_event_wake_mask))
+ *wake_event = false;
+ /* Consider all other events as wake events. */
+ else
+ *wake_event = true;
}

return ret;
diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index d89936c93ba0..78b4aa4410fb 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -83,12 +83,12 @@
#define MLXPLAT_CPLD_LPC_REG_TACHO4_OFFSET 0xe7
#define MLXPLAT_CPLD_LPC_REG_TACHO5_OFFSET 0xe8
#define MLXPLAT_CPLD_LPC_REG_TACHO6_OFFSET 0xe9
-#define MLXPLAT_CPLD_LPC_REG_TACHO7_OFFSET 0xea
-#define MLXPLAT_CPLD_LPC_REG_TACHO8_OFFSET 0xeb
-#define MLXPLAT_CPLD_LPC_REG_TACHO9_OFFSET 0xec
-#define MLXPLAT_CPLD_LPC_REG_TACHO10_OFFSET 0xed
-#define MLXPLAT_CPLD_LPC_REG_TACHO11_OFFSET 0xee
-#define MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET 0xef
+#define MLXPLAT_CPLD_LPC_REG_TACHO7_OFFSET 0xeb
+#define MLXPLAT_CPLD_LPC_REG_TACHO8_OFFSET 0xec
+#define MLXPLAT_CPLD_LPC_REG_TACHO9_OFFSET 0xed
+#define MLXPLAT_CPLD_LPC_REG_TACHO10_OFFSET 0xee
+#define MLXPLAT_CPLD_LPC_REG_TACHO11_OFFSET 0xef
+#define MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET 0xf0
#define MLXPLAT_CPLD_LPC_IO_RANGE 0x100
#define MLXPLAT_CPLD_LPC_I2C_CH1_OFF 0xdb
#define MLXPLAT_CPLD_LPC_I2C_CH2_OFF 0xda
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 2012551d93e0..796eeffdf93b 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -228,7 +228,9 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
pct++;
- ptp->info->gettime64(ptp->info, &ts);
+ err = ptp->info->gettime64(ptp->info, &ts);
+ if (err)
+ goto out;
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
pct++;
@@ -281,6 +283,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
break;
}

+out:
kfree(sysoff);
return err;
}
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 7eacc1c4b3b1..c64903a5978f 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -253,8 +253,10 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
ptp->dev = device_create_with_groups(ptp_class, parent, ptp->devid,
ptp, ptp->pin_attr_groups,
"ptp%d", ptp->index);
- if (IS_ERR(ptp->dev))
+ if (IS_ERR(ptp->dev)) {
+ err = PTR_ERR(ptp->dev);
goto no_device;
+ }

/* Register a new PPS source. */
if (info->pps) {
@@ -265,6 +267,7 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
pps.owner = info->owner;
ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS);
if (!ptp->pps_source) {
+ err = -EINVAL;
pr_err("failed to register pps source\n");
goto no_pps;
}
diff --git a/drivers/s390/crypto/zcrypt_error.h b/drivers/s390/crypto/zcrypt_error.h
index 6f7ebc1dbe10..2e1a27bd97d1 100644
--- a/drivers/s390/crypto/zcrypt_error.h
+++ b/drivers/s390/crypto/zcrypt_error.h
@@ -52,6 +52,7 @@ struct error_hdr {
#define REP82_ERROR_FORMAT_FIELD 0x29
#define REP82_ERROR_INVALID_COMMAND 0x30
#define REP82_ERROR_MALFORMED_MSG 0x40
+#define REP82_ERROR_INVALID_SPECIAL_CMD 0x41
#define REP82_ERROR_INVALID_DOMAIN_PRECHECK 0x42
#define REP82_ERROR_RESERVED_FIELDO 0x50 /* old value */
#define REP82_ERROR_WORD_ALIGNMENT 0x60
@@ -90,6 +91,7 @@ static inline int convert_error(struct zcrypt_queue *zq,
case REP88_ERROR_MESSAGE_MALFORMD:
case REP82_ERROR_INVALID_DOMAIN_PRECHECK:
case REP82_ERROR_INVALID_DOMAIN_PENDING:
+ case REP82_ERROR_INVALID_SPECIAL_CMD:
// REP88_ERROR_INVALID_KEY // '82' CEX2A
// REP88_ERROR_OPERAND // '84' CEX2A
// REP88_ERROR_OPERAND_EVEN_MOD // '85' CEX2A
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 1391e5f35918..702da909cee5 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -281,7 +281,7 @@ static ssize_t asd_show_dev_rev(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%s\n",
asd_dev_rev[asd_ha->revision_id]);
}
-static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
+static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);

static ssize_t asd_show_dev_bios_build(struct device *dev,
struct device_attribute *attr,char *buf)
@@ -478,7 +478,7 @@ static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
{
int err;

- err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+ err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
if (err)
return err;

@@ -500,13 +500,13 @@ static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
err_biosb:
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
err_rev:
- device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+ device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
return err;
}

static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
{
- device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
+ device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 6637116529aa..f987c40c47a1 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -3694,6 +3694,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
host->max_cmd_len = CXLFLASH_MAX_CDB_LEN;

cfg = shost_priv(host);
+ cfg->state = STATE_PROBING;
cfg->host = host;
rc = alloc_mem(cfg);
if (rc) {
@@ -3782,6 +3783,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
return rc;

out_remove:
+ cfg->state = STATE_PROBED;
cxlflash_remove(pdev);
goto out;
}
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 687ff61bba9f..3922b17e2ea3 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -492,7 +492,7 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120);
hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
-
+ hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
/* used for 12G negotiate */
hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
}
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4dda969e947c..0d214e6b8e9a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -242,6 +242,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
if (elscmd == ELS_CMD_FLOGI)
icmd->ulpTimeout = FF_DEF_RATOV * 2;
+ else if (elscmd == ELS_CMD_LOGO)
+ icmd->ulpTimeout = phba->fc_ratov;
else
icmd->ulpTimeout = phba->fc_ratov * 2;
} else {
@@ -2682,16 +2684,15 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
}

+ /* The LOGO will not be retried on failure. A LOGO was
+ * issued to the remote rport and a ACC or RJT or no Answer are
+ * all acceptable. Note the failure and move forward with
+ * discovery. The PLOGI will retry.
+ */
if (irsp->ulpStatus) {
- /* Check for retry */
- if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
- /* ELS command is being retried */
- skip_recovery = 1;
- goto out;
- }
/* LOGO failed */
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
- "2756 LOGO failure DID:%06X Status:x%x/x%x\n",
+ "2756 LOGO failure, No Retry DID:%06X Status:x%x/x%x\n",
ndlp->nlp_DID, irsp->ulpStatus,
irsp->un.ulpWord[4]);
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
@@ -2737,7 +2738,8 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* For any other port type, the rpi is unregistered as an implicit
* LOGO.
*/
- if ((ndlp->nlp_type & NLP_FCP_TARGET) && (skip_recovery == 0)) {
+ if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET) &&
+ skip_recovery == 0) {
lpfc_cancel_retry_delay_tmo(vport, ndlp);
spin_lock_irqsave(shost->host_lock, flags);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
@@ -2770,6 +2772,8 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* will be stored into the context1 field of the IOCB for the completion
* callback function to the LOGO ELS command.
*
+ * Callers of this routine are expected to unregister the RPI first
+ *
* Return code
* 0 - successfully issued logo
* 1 - failed to issue logo
@@ -2811,22 +2815,6 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
"Issue LOGO: did:x%x",
ndlp->nlp_DID, 0, 0);

- /*
- * If we are issuing a LOGO, we may try to recover the remote NPort
- * by issuing a PLOGI later. Even though we issue ELS cmds by the
- * VPI, if we have a valid RPI, and that RPI gets unreg'ed while
- * that ELS command is in-flight, the HBA returns a IOERR_INVALID_RPI
- * for that ELS cmd. To avoid this situation, lets get rid of the
- * RPI right now, before any ELS cmds are sent.
- */
- spin_lock_irq(shost->host_lock);
- ndlp->nlp_flag |= NLP_ISSUE_LOGO;
- spin_unlock_irq(shost->host_lock);
- if (lpfc_unreg_rpi(vport, ndlp)) {
- lpfc_els_free_iocb(phba, elsiocb);
- return 0;
- }
-
phba->fc_stat.elsXmitLOGO++;
elsiocb->iocb_cmpl = lpfc_cmpl_els_logo;
spin_lock_irq(shost->host_lock);
@@ -2834,7 +2822,6 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_flag &= ~NLP_ISSUE_LOGO;
spin_unlock_irq(shost->host_lock);
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
-
if (rc == IOCB_ERROR) {
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_LOGO_SND;
@@ -2842,6 +2829,11 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_free_iocb(phba, elsiocb);
return 1;
}
+
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_prev_state = ndlp->nlp_state;
+ spin_unlock_irq(shost->host_lock);
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE);
return 0;
}

@@ -5701,6 +5693,9 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t));
stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;

+ if (shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE)
+ stat->un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS;
+
elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
phba->fc_stat.elsXmitLSRJT++;
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
@@ -9502,7 +9497,8 @@ lpfc_sli_abts_recover_port(struct lpfc_vport *vport,
"rport in state 0x%x\n", ndlp->nlp_state);
return;
}
- lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+ lpfc_printf_log(phba, KERN_ERR,
+ LOG_ELS | LOG_FCP_ERROR | LOG_NVME_IOERR,
"3094 Start rport recovery on shost id 0x%x "
"fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x "
"flags 0x%x\n",
@@ -9515,8 +9511,8 @@ lpfc_sli_abts_recover_port(struct lpfc_vport *vport,
*/
spin_lock_irqsave(shost->host_lock, flags);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
+ ndlp->nlp_flag |= NLP_ISSUE_LOGO;
spin_unlock_irqrestore(shost->host_lock, flags);
- lpfc_issue_els_logo(vport, ndlp, 0);
- lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE);
+ lpfc_unreg_rpi(vport, ndlp);
}

diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index bd9bce9d9974..a6619fd8238c 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -836,7 +836,9 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);

if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) {
+ spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
+ spin_unlock_irq(shost->host_lock);
return 0;
}

@@ -851,7 +853,10 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
return 1;
}
}
+
+ spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
+ spin_unlock_irq(shost->host_lock);
lpfc_unreg_rpi(vport, ndlp);
return 0;
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 53133cfd420f..622832e55211 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -9809,6 +9809,7 @@ static void scsih_remove(struct pci_dev *pdev)

/* release all the volumes */
_scsih_ir_shutdown(ioc);
+ sas_remove_host(shost);
list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
list) {
if (raid_device->starget) {
@@ -9851,7 +9852,6 @@ static void scsih_remove(struct pci_dev *pdev)
ioc->sas_hba.num_phys = 0;
}

- sas_remove_host(shost);
mpt3sas_base_detach(ioc);
spin_lock(&gioc_lock);
list_del(&ioc->list);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index f8cc2677c1cd..20d36061c217 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -834,10 +834,13 @@ mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
mpt3sas_port->remote_identify.sas_address,
mpt3sas_phy->phy_id);
mpt3sas_phy->phy_belongs_to_port = 0;
- sas_port_delete_phy(mpt3sas_port->port, mpt3sas_phy->phy);
+ if (!ioc->remove_host)
+ sas_port_delete_phy(mpt3sas_port->port,
+ mpt3sas_phy->phy);
list_del(&mpt3sas_phy->port_siblings);
}
- sas_port_delete(mpt3sas_port->port);
+ if (!ioc->remove_host)
+ sas_port_delete(mpt3sas_port->port);
kfree(mpt3sas_port);
}

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 8c1a232ac6bf..3781e8109dd7 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -653,6 +653,7 @@ struct bmic_host_wellness_driver_version {
u8 driver_version_tag[2];
__le16 driver_version_length;
char driver_version[32];
+ u8 dont_write_tag[2];
u8 end_tag[2];
};

@@ -682,6 +683,8 @@ static int pqi_write_driver_version_to_host_wellness(
strncpy(buffer->driver_version, "Linux " DRIVER_VERSION,
sizeof(buffer->driver_version) - 1);
buffer->driver_version[sizeof(buffer->driver_version) - 1] = '\0';
+ buffer->dont_write_tag[0] = 'D';
+ buffer->dont_write_tag[1] = 'W';
buffer->end_tag[0] = 'Z';
buffer->end_tag[1] = 'Z';

@@ -1181,6 +1184,9 @@ static void pqi_get_volume_status(struct pqi_ctrl_info *ctrl_info,
if (rc)
goto out;

+ if (vpd->page_code != CISS_VPD_LV_STATUS)
+ goto out;
+
page_length = offsetof(struct ciss_vpd_logical_volume_status,
volume_status) + vpd->page_length;
if (page_length < sizeof(*vpd))
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c
index 5141bd4c9f06..ca7dfb3a520f 100644
--- a/drivers/scsi/smartpqi/smartpqi_sis.c
+++ b/drivers/scsi/smartpqi/smartpqi_sis.c
@@ -59,7 +59,7 @@

#define SIS_CTRL_KERNEL_UP 0x80
#define SIS_CTRL_KERNEL_PANIC 0x100
-#define SIS_CTRL_READY_TIMEOUT_SECS 30
+#define SIS_CTRL_READY_TIMEOUT_SECS 180
#define SIS_CTRL_READY_RESUME_TIMEOUT_SECS 90
#define SIS_CTRL_READY_POLL_INTERVAL_MSECS 10

diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c
index 14185451901d..bf9123f727e8 100644
--- a/drivers/soc/bcm/brcmstb/common.c
+++ b/drivers/soc/bcm/brcmstb/common.c
@@ -31,13 +31,17 @@ static const struct of_device_id brcmstb_machine_match[] = {

bool soc_is_brcmstb(void)
{
+ const struct of_device_id *match;
struct device_node *root;

root = of_find_node_by_path("/");
if (!root)
return false;

- return of_match_node(brcmstb_machine_match, root) != NULL;
+ match = of_match_node(brcmstb_machine_match, root);
+ of_node_put(root);
+
+ return match != NULL;
}

u32 brcmstb_get_family_id(void)
diff --git a/drivers/soc/tegra/common.c b/drivers/soc/tegra/common.c
index cd8f41351add..7bfb154d6fa5 100644
--- a/drivers/soc/tegra/common.c
+++ b/drivers/soc/tegra/common.c
@@ -22,11 +22,15 @@ static const struct of_device_id tegra_machine_match[] = {

bool soc_is_tegra(void)
{
+ const struct of_device_id *match;
struct device_node *root;

root = of_find_node_by_path("/");
if (!root)
return false;

- return of_match_node(tegra_machine_match, root) != NULL;
+ match = of_match_node(tegra_machine_match, root);
+ of_node_put(root);
+
+ return match != NULL;
}
diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h
index 367b39fe46e5..e6313c54e3ad 100644
--- a/drivers/staging/erofs/internal.h
+++ b/drivers/staging/erofs/internal.h
@@ -39,7 +39,7 @@
#define debugln(x, ...) ((void)0)

#define dbg_might_sleep() ((void)0)
-#define DBG_BUGON(...) ((void)0)
+#define DBG_BUGON(x) ((void)(x))
#endif

#ifdef CONFIG_EROFS_FAULT_INJECTION
diff --git a/drivers/staging/fsl-dpaa2/rtc/rtc.c b/drivers/staging/fsl-dpaa2/rtc/rtc.c
index 0d52cb85441f..318a33c2f7a7 100644
--- a/drivers/staging/fsl-dpaa2/rtc/rtc.c
+++ b/drivers/staging/fsl-dpaa2/rtc/rtc.c
@@ -142,7 +142,10 @@ static int rtc_probe(struct fsl_mc_device *mc_dev)

err = fsl_mc_portal_allocate(mc_dev, 0, &mc_dev->mc_io);
if (err) {
- dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
+ if (err == -ENXIO)
+ err = -EPROBE_DEFER;
+ else
+ dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
goto err_exit;
}

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index b736275c10f5..6a48ad067a8b 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -256,7 +256,9 @@ static int ad7280_read(struct ad7280_state *st, unsigned int devaddr,
if (ret)
return ret;

- __ad7280_read32(st, &tmp);
+ ret = __ad7280_read32(st, &tmp);
+ if (ret)
+ return ret;

if (ad7280_check_crc(st, tmp))
return -EIO;
@@ -294,7 +296,9 @@ static int ad7280_read_channel(struct ad7280_state *st, unsigned int devaddr,

ad7280_delay(st);

- __ad7280_read32(st, &tmp);
+ ret = __ad7280_read32(st, &tmp);
+ if (ret)
+ return ret;

if (ad7280_check_crc(st, tmp))
return -EIO;
@@ -327,7 +331,9 @@ static int ad7280_read_all_channels(struct ad7280_state *st, unsigned int cnt,
ad7280_delay(st);

for (i = 0; i < cnt; i++) {
- __ad7280_read32(st, &tmp);
+ ret = __ad7280_read32(st, &tmp);
+ if (ret)
+ return ret;

if (ad7280_check_crc(st, tmp))
return -EIO;
@@ -370,7 +376,10 @@ static int ad7280_chain_setup(struct ad7280_state *st)
return ret;

for (n = 0; n <= AD7280A_MAX_CHAIN; n++) {
- __ad7280_read32(st, &val);
+ ret = __ad7280_read32(st, &val);
+ if (ret)
+ return ret;
+
if (val == 0)
return n - 1;

diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
index 16d72072c076..8bcb5d5de749 100644
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -87,12 +87,16 @@ static int ad7780_read_raw(struct iio_dev *indio_dev,
long m)
{
struct ad7780_state *st = iio_priv(indio_dev);
+ int voltage_uv;

switch (m) {
case IIO_CHAN_INFO_RAW:
return ad_sigma_delta_single_conversion(indio_dev, chan, val);
case IIO_CHAN_INFO_SCALE:
- *val = st->int_vref_mv * st->gain;
+ voltage_uv = regulator_get_voltage(st->reg);
+ if (voltage_uv < 0)
+ return voltage_uv;
+ *val = (voltage_uv / 1000) * st->gain;
*val2 = chan->scan_type.realbits - 1;
return IIO_VAL_FRACTIONAL_LOG2;
case IIO_CHAN_INFO_OFFSET:
diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c
index 59586947a936..51cda9151412 100644
--- a/drivers/staging/iio/resolver/ad2s90.c
+++ b/drivers/staging/iio/resolver/ad2s90.c
@@ -85,7 +85,12 @@ static int ad2s90_probe(struct spi_device *spi)
/* need 600ns between CS and the first falling edge of SCLK */
spi->max_speed_hz = 830000;
spi->mode = SPI_MODE_3;
- spi_setup(spi);
+ ret = spi_setup(spi);
+
+ if (ret < 0) {
+ dev_err(&spi->dev, "spi_setup failed!\n");
+ return ret;
+ }

return 0;
}
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index c85a805a1243..a497ec197872 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -1255,6 +1255,10 @@ static int pi433_probe(struct spi_device *spi)

/* create cdev */
device->cdev = cdev_alloc();
+ if (!device->cdev) {
+ dev_dbg(device->dev, "allocation of cdev failed");
+ goto cdev_failed;
+ }
device->cdev->owner = THIS_MODULE;
cdev_init(device->cdev, &pi433_fops);
retval = cdev_add(device->cdev, device->devt, 1);
diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c
index eac63aab8162..93742dbdee77 100644
--- a/drivers/staging/speakup/spk_ttyio.c
+++ b/drivers/staging/speakup/spk_ttyio.c
@@ -265,7 +265,8 @@ static void spk_ttyio_send_xchar(char ch)
return;
}

- speakup_tty->ops->send_xchar(speakup_tty, ch);
+ if (speakup_tty->ops->send_xchar)
+ speakup_tty->ops->send_xchar(speakup_tty, ch);
mutex_unlock(&speakup_tty_mutex);
}

@@ -277,7 +278,8 @@ static void spk_ttyio_tiocmset(unsigned int set, unsigned int clear)
return;
}

- speakup_tty->ops->tiocmset(speakup_tty, set, clear);
+ if (speakup_tty->ops->tiocmset)
+ speakup_tty->ops->tiocmset(speakup_tty, set, clear);
mutex_unlock(&speakup_tty_mutex);
}

diff --git a/drivers/tee/optee/supp.c b/drivers/tee/optee/supp.c
index df35fc01fd3e..43626e15703a 100644
--- a/drivers/tee/optee/supp.c
+++ b/drivers/tee/optee/supp.c
@@ -19,7 +19,7 @@
struct optee_supp_req {
struct list_head link;

- bool busy;
+ bool in_queue;
u32 func;
u32 ret;
size_t num_params;
@@ -54,7 +54,6 @@ void optee_supp_release(struct optee_supp *supp)

/* Abort all request retrieved by supplicant */
idr_for_each_entry(&supp->idr, req, id) {
- req->busy = false;
idr_remove(&supp->idr, id);
req->ret = TEEC_ERROR_COMMUNICATION;
complete(&req->c);
@@ -63,6 +62,7 @@ void optee_supp_release(struct optee_supp *supp)
/* Abort all queued requests */
list_for_each_entry_safe(req, req_tmp, &supp->reqs, link) {
list_del(&req->link);
+ req->in_queue = false;
req->ret = TEEC_ERROR_COMMUNICATION;
complete(&req->c);
}
@@ -103,6 +103,7 @@ u32 optee_supp_thrd_req(struct tee_context *ctx, u32 func, size_t num_params,
/* Insert the request in the request list */
mutex_lock(&supp->mutex);
list_add_tail(&req->link, &supp->reqs);
+ req->in_queue = true;
mutex_unlock(&supp->mutex);

/* Tell an eventual waiter there's a new request */
@@ -130,9 +131,10 @@ u32 optee_supp_thrd_req(struct tee_context *ctx, u32 func, size_t num_params,
* will serve all requests in a timely manner and
* interrupting then wouldn't make sense.
*/
- interruptable = !req->busy;
- if (!req->busy)
+ if (req->in_queue) {
list_del(&req->link);
+ req->in_queue = false;
+ }
}
mutex_unlock(&supp->mutex);

@@ -176,7 +178,7 @@ static struct optee_supp_req *supp_pop_entry(struct optee_supp *supp,
return ERR_PTR(-ENOMEM);

list_del(&req->link);
- req->busy = true;
+ req->in_queue = false;

return req;
}
@@ -318,7 +320,6 @@ static struct optee_supp_req *supp_pop_req(struct optee_supp *supp,
if ((num_params - nm) != req->num_params)
return ERR_PTR(-EINVAL);

- req->busy = false;
idr_remove(&supp->idr, id);
supp->req_id = -1;
*num_meta = nm;
diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
index 23ad4f9f2143..24b006a95142 100644
--- a/drivers/thermal/broadcom/bcm2835_thermal.c
+++ b/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -27,6 +27,8 @@
#include <linux/platform_device.h>
#include <linux/thermal.h>

+#include "../thermal_hwmon.h"
+
#define BCM2835_TS_TSENSCTL 0x00
#define BCM2835_TS_TSENSSTAT 0x04

@@ -275,6 +277,15 @@ static int bcm2835_thermal_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, tz);

+ /*
+ * Thermal_zone doesn't enable hwmon as default,
+ * enable it here
+ */
+ tz->tzp->no_hwmon = false;
+ err = thermal_add_hwmon_sysfs(tz);
+ if (err)
+ goto err_tz;
+
bcm2835_thermal_debugfs(pdev);

return 0;
diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index bf1c628d4a7a..e22fc60ad36d 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -26,7 +26,7 @@ struct gadc_thermal_info {

static int gadc_thermal_adc_to_temp(struct gadc_thermal_info *gti, int val)
{
- int temp, adc_hi, adc_lo;
+ int temp, temp_hi, temp_lo, adc_hi, adc_lo;
int i;

for (i = 0; i < gti->nlookup_table; i++) {
@@ -36,13 +36,17 @@ static int gadc_thermal_adc_to_temp(struct gadc_thermal_info *gti, int val)

if (i == 0) {
temp = gti->lookup_table[0];
- } else if (i >= (gti->nlookup_table - 1)) {
+ } else if (i >= gti->nlookup_table) {
temp = gti->lookup_table[2 * (gti->nlookup_table - 1)];
} else {
adc_hi = gti->lookup_table[2 * i - 1];
adc_lo = gti->lookup_table[2 * i + 1];
- temp = gti->lookup_table[2 * i];
- temp -= ((val - adc_lo) * 1000) / (adc_hi - adc_lo);
+
+ temp_hi = gti->lookup_table[2 * i - 2];
+ temp_lo = gti->lookup_table[2 * i];
+
+ temp = temp_hi + mult_frac(temp_lo - temp_hi, val - adc_hi,
+ adc_lo - adc_hi);
}

return temp;
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 441778100887..bf9721fc2824 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -451,16 +451,20 @@ static void update_temperature(struct thermal_zone_device *tz)
tz->last_temperature, tz->temperature);
}

-static void thermal_zone_device_reset(struct thermal_zone_device *tz)
+static void thermal_zone_device_init(struct thermal_zone_device *tz)
{
struct thermal_instance *pos;
-
tz->temperature = THERMAL_TEMP_INVALID;
- tz->passive = 0;
list_for_each_entry(pos, &tz->thermal_instances, tz_node)
pos->initialized = false;
}

+static void thermal_zone_device_reset(struct thermal_zone_device *tz)
+{
+ tz->passive = 0;
+ thermal_zone_device_init(tz);
+}
+
void thermal_zone_device_update(struct thermal_zone_device *tz,
enum thermal_notify_event event)
{
@@ -1502,7 +1506,7 @@ static int thermal_pm_notify(struct notifier_block *nb,
case PM_POST_SUSPEND:
atomic_set(&in_suspend, 0);
list_for_each_entry(tz, &thermal_tz_list, node) {
- thermal_zone_device_reset(tz);
+ thermal_zone_device_init(tz);
thermal_zone_device_update(tz,
THERMAL_EVENT_UNSPECIFIED);
}
diff --git a/drivers/thermal/thermal_hwmon.h b/drivers/thermal/thermal_hwmon.h
index 019f6f88224e..a160b9d62dd0 100644
--- a/drivers/thermal/thermal_hwmon.h
+++ b/drivers/thermal/thermal_hwmon.h
@@ -19,13 +19,13 @@
int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz);
void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz);
#else
-static int
+static inline int
thermal_add_hwmon_sysfs(struct thermal_zone_device *tz)
{
return 0;
}

-static void
+static inline void
thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
{
}
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index 2241ceae7d7f..aa99edb4dff7 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -712,11 +712,14 @@ cur_state_store(struct device *dev, struct device_attribute *attr,
if ((long)state < 0)
return -EINVAL;

+ mutex_lock(&cdev->lock);
+
result = cdev->ops->set_cur_state(cdev, state);
- if (result)
- return result;
- thermal_cooling_device_stats_update(cdev, state);
- return count;
+ if (!result)
+ thermal_cooling_device_stats_update(cdev, state);
+
+ mutex_unlock(&cdev->lock);
+ return result ? result : count;
}

static struct device_attribute
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index f80a300b5d68..48bd694a5fa1 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3420,6 +3420,11 @@ static int
serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board)
{
int num_iomem, num_port, first_port = -1, i;
+ int rc;
+
+ rc = serial_pci_is_class_communication(dev);
+ if (rc)
+ return rc;

/*
* Should we try to make guesses for multiport serial devices later?
@@ -3647,10 +3652,6 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)

board = &pci_boards[ent->driver_data];

- rc = serial_pci_is_class_communication(dev);
- if (rc)
- return rc;
-
rc = serial_pci_is_blacklisted(dev);
if (rc)
return rc;
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 3f8d1274fc85..7d030c2e42ff 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1477,6 +1477,8 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
else
cr1 &= ~UARTCR1_PT;
}
+ } else {
+ cr1 &= ~UARTCR1_PE;
}

/* ask the core to calculate the divisor */
@@ -1688,6 +1690,8 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,
else
ctrl &= ~UARTCTRL_PT;
}
+ } else {
+ ctrl &= ~UARTCTRL_PE;
}

/* ask the core to calculate the divisor */
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 2f8fa184aafa..c6058b52d5d5 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1365,11 +1365,14 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
wr_regl(port, S3C2410_ULCON, ulcon);
wr_regl(port, S3C2410_UBRDIV, quot);

+ port->status &= ~UPSTAT_AUTOCTS;
+
umcon = rd_regl(port, S3C2410_UMCON);
if (termios->c_cflag & CRTSCTS) {
umcon |= S3C2410_UMCOM_AFC;
/* Disable RTS when RX FIFO contains 63 bytes */
umcon &= ~S3C2412_UMCON_AFC_8;
+ port->status = UPSTAT_AUTOCTS;
} else {
umcon &= ~S3C2410_UMCOM_AFC;
}
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 7fe679413188..f0b354b65a0e 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -130,6 +130,9 @@ static void uart_start(struct tty_struct *tty)
struct uart_port *port;
unsigned long flags;

+ if (!state)
+ return;
+
port = uart_port_lock(state, flags);
__uart_start(tty);
uart_port_unlock(port, flags);
@@ -727,6 +730,9 @@ static void uart_unthrottle(struct tty_struct *tty)
upstat_t mask = UPSTAT_SYNC_FIFO;
struct uart_port *port;

+ if (!state)
+ return;
+
port = uart_port_ref(state);
if (!port)
return;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index effba6ce0caa..859b173e3b82 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1331,7 +1331,7 @@ static void sci_tx_dma_release(struct sci_port *s)
dma_release_channel(chan);
}

-static void sci_submit_rx(struct sci_port *s)
+static int sci_submit_rx(struct sci_port *s, bool port_lock_held)
{
struct dma_chan *chan = s->chan_rx;
struct uart_port *port = &s->port;
@@ -1359,19 +1359,22 @@ static void sci_submit_rx(struct sci_port *s)
s->active_rx = s->cookie_rx[0];

dma_async_issue_pending(chan);
- return;
+ return 0;

fail:
+ /* Switch to PIO */
+ if (!port_lock_held)
+ spin_lock_irqsave(&port->lock, flags);
if (i)
dmaengine_terminate_async(chan);
for (i = 0; i < 2; i++)
s->cookie_rx[i] = -EINVAL;
s->active_rx = -EINVAL;
- /* Switch to PIO */
- spin_lock_irqsave(&port->lock, flags);
s->chan_rx = NULL;
sci_start_rx(port);
- spin_unlock_irqrestore(&port->lock, flags);
+ if (!port_lock_held)
+ spin_unlock_irqrestore(&port->lock, flags);
+ return -EAGAIN;
}

static void work_fn_tx(struct work_struct *work)
@@ -1491,7 +1494,7 @@ static enum hrtimer_restart rx_timer_fn(struct hrtimer *t)
}

if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
- sci_submit_rx(s);
+ sci_submit_rx(s, true);

/* Direct new serial port interrupts back to CPU */
scr = serial_port_in(port, SCSCR);
@@ -1617,7 +1620,7 @@ static void sci_request_dma(struct uart_port *port)
s->chan_rx_saved = s->chan_rx = chan;

if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
- sci_submit_rx(s);
+ sci_submit_rx(s, false);
}
}

@@ -1666,8 +1669,10 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
disable_irq_nosync(irq);
scr |= SCSCR_RDRQE;
} else {
+ if (sci_submit_rx(s, false) < 0)
+ goto handle_pio;
+
scr &= ~SCSCR_RIE;
- sci_submit_rx(s);
}
serial_port_out(port, SCSCR, scr);
/* Clear current interrupt */
@@ -1679,6 +1684,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)

return IRQ_HANDLED;
}
+
+handle_pio:
#endif

if (s->rx_trigger > 1 && s->rx_fifo_timeout > 0) {
@@ -1914,7 +1921,7 @@ static int sci_request_irq(struct sci_port *port)

static void sci_free_irq(struct sci_port *port)
{
- int i;
+ int i, j;

/*
* Intentionally in reverse order so we iterate over the muxed
@@ -1930,6 +1937,13 @@ static void sci_free_irq(struct sci_port *port)
if (unlikely(irq < 0))
continue;

+ /* Check if already freed (irq was muxed) */
+ for (j = 0; j < i; j++)
+ if (port->irqs[j] == irq)
+ j = i + 1;
+ if (j > i)
+ continue;
+
free_irq(port->irqs[i], port);
kfree(port->irqstr[i]);

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index cc62707c0251..3adff4da2ee1 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1111,6 +1111,16 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
USB_PORT_FEAT_ENABLE);
}

+ /*
+ * Add debounce if USB3 link is in polling/link training state.
+ * Link will automatically transition to Enabled state after
+ * link training completes.
+ */
+ if (hub_is_superspeed(hdev) &&
+ ((portstatus & USB_PORT_STAT_LINK_STATE) ==
+ USB_SS_PORT_LS_POLLING))
+ need_debounce_delay = true;
+
/* Clear status-change flags; we'll debounce later */
if (portchange & USB_PORT_STAT_C_CONNECTION) {
need_debounce_delay = true;
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index ef2c199e6059..dff2c6e8d797 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -71,6 +71,13 @@ static void dwc2_set_his_params(struct dwc2_hsotg *hsotg)
p->power_down = false;
}

+static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->power_down = 0;
+}
+
static void dwc2_set_rk_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
@@ -151,7 +158,8 @@ const struct of_device_id dwc2_of_match_table[] = {
{ .compatible = "lantiq,arx100-usb", .data = dwc2_set_ltq_params },
{ .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params },
{ .compatible = "snps,dwc2" },
- { .compatible = "samsung,s3c6400-hsotg" },
+ { .compatible = "samsung,s3c6400-hsotg",
+ .data = dwc2_set_s3c6400_params },
{ .compatible = "amlogic,meson8-usb",
.data = dwc2_set_amlogic_params },
{ .compatible = "amlogic,meson8b-usb",
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index d8bf9307901e..0db90f6f4aa8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -912,8 +912,6 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb,
struct usb_gadget *gadget = &dwc->gadget;
enum usb_device_speed speed = gadget->speed;

- dwc3_ep_inc_enq(dep);
-
trb->size = DWC3_TRB_SIZE_LENGTH(length);
trb->bpl = lower_32_bits(dma);
trb->bph = upper_32_bits(dma);
@@ -983,16 +981,20 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb,
usb_endpoint_type(dep->endpoint.desc));
}

- /* always enable Continue on Short Packet */
+ /*
+ * Enable Continue on Short Packet
+ * when endpoint is not a stream capable
+ */
if (usb_endpoint_dir_out(dep->endpoint.desc)) {
- trb->ctrl |= DWC3_TRB_CTRL_CSP;
+ if (!dep->stream_capable)
+ trb->ctrl |= DWC3_TRB_CTRL_CSP;

if (short_not_ok)
trb->ctrl |= DWC3_TRB_CTRL_ISP_IMI;
}

if ((!no_interrupt && !chain) ||
- (dwc3_calc_trbs_left(dep) == 0))
+ (dwc3_calc_trbs_left(dep) == 1))
trb->ctrl |= DWC3_TRB_CTRL_IOC;

if (chain)
@@ -1003,6 +1005,8 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb,

trb->ctrl |= DWC3_TRB_CTRL_HWO;

+ dwc3_ep_inc_enq(dep);
+
trace_dwc3_prepare_trb(dep, trb);
}

@@ -1106,7 +1110,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc);
unsigned int rem = length % maxp;

- if (rem && usb_endpoint_dir_out(dep->endpoint.desc)) {
+ if ((!length || rem) && usb_endpoint_dir_out(dep->endpoint.desc)) {
struct dwc3 *dwc = dep->dwc;
struct dwc3_trb *trb;

diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index f22714cce070..f27c5cbe285c 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -251,9 +251,11 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
s = "2x ";
break;
case 3:
+ default:
s = "3x ";
break;
}
+ break;
default:
s = "";
} s; }),
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 660878a19505..b77f3126580e 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2083,7 +2083,7 @@ static irqreturn_t net2272_irq(int irq, void *_dev)
#if defined(PLX_PCI_RDK2)
/* see if PCI int for us by checking irqstat */
intcsr = readl(dev->rdk2.fpga_base_addr + RDK2_IRQSTAT);
- if (!intcsr & (1 << NET2272_PCI_IRQ)) {
+ if (!(intcsr & (1 << NET2272_PCI_IRQ))) {
spin_unlock(&dev->lock);
return IRQ_NONE;
}
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index d045d8458f81..48d10a61e271 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -578,8 +578,10 @@ static void mtu3_regs_init(struct mtu3 *mtu)
if (mtu->is_u3_ip) {
/* disable LGO_U1/U2 by default */
mtu3_clrbits(mbase, U3D_LINK_POWER_CONTROL,
- SW_U1_ACCEPT_ENABLE | SW_U2_ACCEPT_ENABLE |
SW_U1_REQUEST_ENABLE | SW_U2_REQUEST_ENABLE);
+ /* enable accept LGO_U1/U2 link command from host */
+ mtu3_setbits(mbase, U3D_LINK_POWER_CONTROL,
+ SW_U1_ACCEPT_ENABLE | SW_U2_ACCEPT_ENABLE);
/* device responses to u3_exit from host automatically */
mtu3_clrbits(mbase, U3D_LTSSM_CTRL, SOFT_U3_EXIT_EN);
/* automatically build U2 link when U3 detect fail */
diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c
index 25216e79cd6e..3c464d8ae023 100644
--- a/drivers/usb/mtu3/mtu3_gadget_ep0.c
+++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c
@@ -336,9 +336,9 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,

lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
if (set)
- lpc |= SW_U1_ACCEPT_ENABLE;
+ lpc |= SW_U1_REQUEST_ENABLE;
else
- lpc &= ~SW_U1_ACCEPT_ENABLE;
+ lpc &= ~SW_U1_REQUEST_ENABLE;
mtu3_writel(mbase, U3D_LINK_POWER_CONTROL, lpc);

mtu->u1_enable = !!set;
@@ -351,9 +351,9 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,

lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
if (set)
- lpc |= SW_U2_ACCEPT_ENABLE;
+ lpc |= SW_U2_REQUEST_ENABLE;
else
- lpc &= ~SW_U2_ACCEPT_ENABLE;
+ lpc &= ~SW_U2_REQUEST_ENABLE;
mtu3_writel(mbase, U3D_LINK_POWER_CONTROL, lpc);

mtu->u2_enable = !!set;
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 23a0df79ef21..403eb97915f8 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -181,9 +181,11 @@ static void dsps_musb_enable(struct musb *musb)

musb_writel(reg_base, wrp->epintr_set, epmask);
musb_writel(reg_base, wrp->coreintr_set, coremask);
- /* start polling for ID change in dual-role idle mode */
- if (musb->xceiv->otg->state == OTG_STATE_B_IDLE &&
- musb->port_mode == MUSB_OTG)
+ /*
+ * start polling for runtime PM active and idle,
+ * and for ID change in dual-role idle mode.
+ */
+ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE)
dsps_mod_timer(glue, -1);
}

@@ -227,8 +229,13 @@ static int dsps_check_status(struct musb *musb, void *unused)

switch (musb->xceiv->otg->state) {
case OTG_STATE_A_WAIT_VRISE:
- dsps_mod_timer_optional(glue);
- break;
+ if (musb->port_mode == MUSB_HOST) {
+ musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;
+ dsps_mod_timer_optional(glue);
+ break;
+ }
+ /* fall through */
+
case OTG_STATE_A_WAIT_BCON:
/* keep VBUS on for host-only mode */
if (musb->port_mode == MUSB_HOST) {
@@ -249,6 +256,10 @@ static int dsps_check_status(struct musb *musb, void *unused)
musb->xceiv->otg->state = OTG_STATE_A_IDLE;
MUSB_HST_MODE(musb);
}
+
+ if (musb->port_mode == MUSB_PERIPHERAL)
+ skip_session = 1;
+
if (!(devctl & MUSB_DEVCTL_SESSION) && !skip_session)
musb_writeb(mregs, MUSB_DEVCTL,
MUSB_DEVCTL_SESSION);
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index eae8b1b1b45b..ffe462a657b1 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -452,13 +452,10 @@ void musb_g_tx(struct musb *musb, u8 epnum)
}

if (request) {
- u8 is_dma = 0;
- bool short_packet = false;

trace_musb_req_tx(req);

if (dma && (csr & MUSB_TXCSR_DMAENAB)) {
- is_dma = 1;
csr |= MUSB_TXCSR_P_WZC_BITS;
csr &= ~(MUSB_TXCSR_DMAENAB | MUSB_TXCSR_P_UNDERRUN |
MUSB_TXCSR_TXPKTRDY | MUSB_TXCSR_AUTOSET);
@@ -476,16 +473,8 @@ void musb_g_tx(struct musb *musb, u8 epnum)
*/
if ((request->zero && request->length)
&& (request->length % musb_ep->packet_sz == 0)
- && (request->actual == request->length))
- short_packet = true;
+ && (request->actual == request->length)) {

- if ((musb_dma_inventra(musb) || musb_dma_ux500(musb)) &&
- (is_dma && (!dma->desired_mode ||
- (request->actual &
- (musb_ep->packet_sz - 1)))))
- short_packet = true;
-
- if (short_packet) {
/*
* On DMA completion, FIFO may not be
* available yet...
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index a688f7f87829..5fc6825745f2 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -346,12 +346,10 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
channel->status = MUSB_DMA_STATUS_FREE;

/* completed */
- if ((devctl & MUSB_DEVCTL_HM)
- && (musb_channel->transmit)
- && ((channel->desired_mode == 0)
- || (channel->actual_len &
- (musb_channel->max_packet_sz - 1)))
- ) {
+ if (musb_channel->transmit &&
+ (!channel->desired_mode ||
+ (channel->actual_len %
+ musb_channel->max_packet_sz))) {
u8 epnum = musb_channel->epnum;
int offset = musb->io.ep_offset(epnum,
MUSB_TXCSR);
@@ -363,11 +361,14 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
*/
musb_ep_select(mbase, epnum);
txcsr = musb_readw(mbase, offset);
- txcsr &= ~(MUSB_TXCSR_DMAENAB
+ if (channel->desired_mode == 1) {
+ txcsr &= ~(MUSB_TXCSR_DMAENAB
| MUSB_TXCSR_AUTOSET);
- musb_writew(mbase, offset, txcsr);
- /* Send out the packet */
- txcsr &= ~MUSB_TXCSR_DMAMODE;
+ musb_writew(mbase, offset, txcsr);
+ /* Send out the packet */
+ txcsr &= ~MUSB_TXCSR_DMAMODE;
+ txcsr |= MUSB_TXCSR_DMAENAB;
+ }
txcsr |= MUSB_TXCSR_TXPKTRDY;
musb_writew(mbase, offset, txcsr);
}
diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c
index 27bdb7222527..f5f0568d8533 100644
--- a/drivers/usb/phy/phy-am335x.c
+++ b/drivers/usb/phy/phy-am335x.c
@@ -61,9 +61,6 @@ static int am335x_phy_probe(struct platform_device *pdev)
if (ret)
return ret;

- ret = usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
- if (ret)
- return ret;
am_phy->usb_phy_gen.phy.init = am335x_init;
am_phy->usb_phy_gen.phy.shutdown = am335x_shutdown;

@@ -82,7 +79,7 @@ static int am335x_phy_probe(struct platform_device *pdev)
device_set_wakeup_enable(dev, false);
phy_ctrl_power(am_phy->phy_ctrl, am_phy->id, am_phy->dr_mode, false);

- return 0;
+ return usb_add_phy_dev(&am_phy->usb_phy_gen.phy);
}

static int am335x_phy_remove(struct platform_device *pdev)
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 4310df46639d..b0792585d5bc 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -457,6 +457,10 @@ static int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
* platform functions
*/
static const struct of_device_id usbhs_of_match[] = {
+ {
+ .compatible = "renesas,usbhs-r8a774c0",
+ .data = (void *)USBHS_TYPE_RCAR_GEN3_WITH_PLL,
+ },
{
.compatible = "renesas,usbhs-r8a7790",
.data = (void *)USBHS_TYPE_RCAR_GEN2,
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c
index ff561073ee4e..42f909618f04 100644
--- a/drivers/video/fbdev/clps711x-fb.c
+++ b/drivers/video/fbdev/clps711x-fb.c
@@ -287,14 +287,17 @@ static int clps711x_fb_probe(struct platform_device *pdev)
}

ret = of_get_fb_videomode(disp, &cfb->mode, OF_USE_NATIVE_MODE);
- if (ret)
+ if (ret) {
+ of_node_put(disp);
goto out_fb_release;
+ }

of_property_read_u32(disp, "ac-prescale", &cfb->ac_prescale);
cfb->cmap_invert = of_property_read_bool(disp, "cmap-invert");

ret = of_property_read_u32(disp, "bits-per-pixel",
&info->var.bits_per_pixel);
+ of_node_put(disp);
if (ret)
goto out_fb_release;

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 75ebbbf0a1fb..5d961e3ac66e 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -3066,7 +3066,7 @@ static int fbcon_fb_unbind(int idx)
for (i = first_fb_vc; i <= last_fb_vc; i++) {
if (con2fb_map[i] != idx &&
con2fb_map[i] != -1) {
- new_idx = i;
+ new_idx = con2fb_map[i];
break;
}
}
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 20405421a5ed..77cee99fc36c 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -435,7 +435,9 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
image->dx += image->width + 8;
}
} else if (rotate == FB_ROTATE_UD) {
- for (x = 0; x < num; x++) {
+ u32 dx = image->dx;
+
+ for (x = 0; x < num && image->dx <= dx; x++) {
info->fbops->fb_imageblit(info, image);
image->dx -= image->width + 8;
}
@@ -447,7 +449,9 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
image->dy += image->height + 8;
}
} else if (rotate == FB_ROTATE_CCW) {
- for (x = 0; x < num; x++) {
+ u32 dy = image->dy;
+
+ for (x = 0; x < num && image->dy <= dy; x++) {
info->fbops->fb_imageblit(info, image);
image->dy -= image->height + 8;
}
diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c
index 3093655c7b92..1475ed5ffcde 100644
--- a/drivers/virt/vboxguest/vboxguest_core.c
+++ b/drivers/virt/vboxguest/vboxguest_core.c
@@ -1312,7 +1312,7 @@ static int vbg_ioctl_hgcm_call(struct vbg_dev *gdev,
return -EINVAL;
}

- if (f32bit)
+ if (IS_ENABLED(CONFIG_COMPAT) && f32bit)
ret = vbg_hgcm_call32(gdev, client_id,
call->function, call->timeout_ms,
VBG_IOCTL_HGCM_CALL_PARMS32(call),
diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c
index 88d81feba4e6..d01efd342dc0 100644
--- a/drivers/watchdog/renesas_wdt.c
+++ b/drivers/watchdog/renesas_wdt.c
@@ -77,12 +77,17 @@ static int rwdt_init_timeout(struct watchdog_device *wdev)
static int rwdt_start(struct watchdog_device *wdev)
{
struct rwdt_priv *priv = watchdog_get_drvdata(wdev);
+ u8 val;

pm_runtime_get_sync(wdev->parent);

- rwdt_write(priv, 0, RWTCSRB);
- rwdt_write(priv, priv->cks, RWTCSRA);
+ /* Stop the timer before we modify any register */
+ val = readb_relaxed(priv->base + RWTCSRA) & ~RWTCSRA_TME;
+ rwdt_write(priv, val, RWTCSRA);
+
rwdt_init_timeout(wdev);
+ rwdt_write(priv, priv->cks, RWTCSRA);
+ rwdt_write(priv, 0, RWTCSRB);

while (readb_relaxed(priv->base + RWTCSRA) & RWTCSRA_WRFLG)
cpu_relax();
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
index 7cde3f46ad26..d0078cbb718b 100644
--- a/fs/binfmt_script.c
+++ b/fs/binfmt_script.c
@@ -42,10 +42,14 @@ static int load_script(struct linux_binprm *bprm)
fput(bprm->file);
bprm->file = NULL;

- bprm->buf[BINPRM_BUF_SIZE - 1] = '\0';
- if ((cp = strchr(bprm->buf, '\n')) == NULL)
- cp = bprm->buf+BINPRM_BUF_SIZE-1;
+ for (cp = bprm->buf+2;; cp++) {
+ if (cp >= bprm->buf + BINPRM_BUF_SIZE)
+ return -ENOEXEC;
+ if (!*cp || (*cp == '\n'))
+ break;
+ }
*cp = '\0';
+
while (cp > bprm->buf) {
cp--;
if ((*cp == ' ') || (*cp == '\t'))
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 7177d1d33584..45f5cf9cd203 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -29,6 +29,7 @@ enum {
BTRFS_INODE_IN_DELALLOC_LIST,
BTRFS_INODE_READDIO_NEED_LOCK,
BTRFS_INODE_HAS_PROPS,
+ BTRFS_INODE_SNAPSHOT_FLUSH,
};

/* in memory btrfs inode */
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2cddfe7806a4..82682da5a40d 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3155,7 +3155,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
struct inode *inode, u64 new_size,
u32 min_type);

-int btrfs_start_delalloc_inodes(struct btrfs_root *root);
+int btrfs_start_delalloc_snapshot(struct btrfs_root *root);
int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int nr);
int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
unsigned int extra_bits,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 4dd6faab02bb..79f82f2ec4d5 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3928,12 +3928,25 @@ static int extent_write_cache_pages(struct address_space *mapping,
range_whole = 1;
scanned = 1;
}
- if (wbc->sync_mode == WB_SYNC_ALL)
+
+ /*
+ * We do the tagged writepage as long as the snapshot flush bit is set
+ * and we are the first one who do the filemap_flush() on this inode.
+ *
+ * The nr_to_write == LONG_MAX is needed to make sure other flushers do
+ * not race in and drop the bit.
+ */
+ if (range_whole && wbc->nr_to_write == LONG_MAX &&
+ test_and_clear_bit(BTRFS_INODE_SNAPSHOT_FLUSH,
+ &BTRFS_I(inode)->runtime_flags))
+ wbc->tagged_writepages = 1;
+
+ if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
tag = PAGECACHE_TAG_TOWRITE;
else
tag = PAGECACHE_TAG_DIRTY;
retry:
- if (wbc->sync_mode == WB_SYNC_ALL)
+ if (wbc->sync_mode == WB_SYNC_ALL || wbc->tagged_writepages)
tag_pages_for_writeback(mapping, index, end);
done_index = index;
while (!done && !nr_to_write_done && (index <= end) &&
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 83b3a626c796..59f361f7d0c1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10005,7 +10005,7 @@ static struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode
* some fairly slow code that needs optimization. This walks the list
* of all the inodes with pending delalloc and forces them to disk.
*/
-static int start_delalloc_inodes(struct btrfs_root *root, int nr)
+static int start_delalloc_inodes(struct btrfs_root *root, int nr, bool snapshot)
{
struct btrfs_inode *binode;
struct inode *inode;
@@ -10033,6 +10033,9 @@ static int start_delalloc_inodes(struct btrfs_root *root, int nr)
}
spin_unlock(&root->delalloc_lock);

+ if (snapshot)
+ set_bit(BTRFS_INODE_SNAPSHOT_FLUSH,
+ &binode->runtime_flags);
work = btrfs_alloc_delalloc_work(inode);
if (!work) {
iput(inode);
@@ -10066,7 +10069,7 @@ static int start_delalloc_inodes(struct btrfs_root *root, int nr)
return ret;
}

-int btrfs_start_delalloc_inodes(struct btrfs_root *root)
+int btrfs_start_delalloc_snapshot(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
@@ -10074,7 +10077,7 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root)
if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
return -EROFS;

- ret = start_delalloc_inodes(root, -1);
+ ret = start_delalloc_inodes(root, -1, true);
if (ret > 0)
ret = 0;
return ret;
@@ -10103,7 +10106,7 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int nr)
&fs_info->delalloc_roots);
spin_unlock(&fs_info->delalloc_root_lock);

- ret = start_delalloc_inodes(root, nr);
+ ret = start_delalloc_inodes(root, nr, false);
btrfs_put_fs_root(root);
if (ret < 0)
goto out;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index c9152155fcbf..8bf9cce11213 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -778,7 +778,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
wait_event(root->subv_writers->wait,
percpu_counter_sum(&root->subv_writers->counter) == 0);

- ret = btrfs_start_delalloc_inodes(root);
+ ret = btrfs_start_delalloc_snapshot(root);
if (ret)
goto dec_and_free;

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0ee1cd4b56fb..285f64f2de5f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -850,6 +850,35 @@ static noinline struct btrfs_device *device_list_add(const char *path,
return ERR_PTR(-EEXIST);
}

+ /*
+ * We are going to replace the device path for a given devid,
+ * make sure it's the same device if the device is mounted
+ */
+ if (device->bdev) {
+ struct block_device *path_bdev;
+
+ path_bdev = lookup_bdev(path);
+ if (IS_ERR(path_bdev)) {
+ mutex_unlock(&fs_devices->device_list_mutex);
+ return ERR_CAST(path_bdev);
+ }
+
+ if (device->bdev != path_bdev) {
+ bdput(path_bdev);
+ mutex_unlock(&fs_devices->device_list_mutex);
+ btrfs_warn_in_rcu(device->fs_info,
+ "duplicate device fsid:devid for %pU:%llu old:%s new:%s",
+ disk_super->fsid, devid,
+ rcu_str_deref(device->name), path);
+ return ERR_PTR(-EEXIST);
+ }
+ bdput(path_bdev);
+ btrfs_info_in_rcu(device->fs_info,
+ "device fsid %pU devid %llu moved old:%s new:%s",
+ disk_super->fsid, devid,
+ rcu_str_deref(device->name), path);
+ }
+
name = rcu_string_strdup(path, GFP_NOFS);
if (!name) {
mutex_unlock(&fs_devices->device_list_mutex);
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index e169e1a5fd35..3925a7bfc74d 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -655,7 +655,14 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos,
/* scan and find it */
int i;
char *cur_ent;
- char *end_of_smb = cfile->srch_inf.ntwrk_buf_start +
+ char *end_of_smb;
+
+ if (cfile->srch_inf.ntwrk_buf_start == NULL) {
+ cifs_dbg(VFS, "ntwrk_buf_start is NULL during readdir\n");
+ return -EIO;
+ }
+
+ end_of_smb = cfile->srch_inf.ntwrk_buf_start +
server->ops->calc_smb_size(
cfile->srch_inf.ntwrk_buf_start,
server);
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 562fa8c3edff..47ee66d70109 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -292,6 +292,8 @@ void dlm_callback_suspend(struct dlm_ls *ls)
flush_workqueue(ls->ls_callback_wq);
}

+#define MAX_CB_QUEUE 25
+
void dlm_callback_resume(struct dlm_ls *ls)
{
struct dlm_lkb *lkb, *safe;
@@ -302,15 +304,23 @@ void dlm_callback_resume(struct dlm_ls *ls)
if (!ls->ls_callback_wq)
return;

+more:
mutex_lock(&ls->ls_cb_mutex);
list_for_each_entry_safe(lkb, safe, &ls->ls_cb_delay, lkb_cb_list) {
list_del_init(&lkb->lkb_cb_list);
queue_work(ls->ls_callback_wq, &lkb->lkb_cb_work);
count++;
+ if (count == MAX_CB_QUEUE)
+ break;
}
mutex_unlock(&ls->ls_cb_mutex);

if (count)
log_rinfo(ls, "dlm_callback_resume %d", count);
+ if (count == MAX_CB_QUEUE) {
+ count = 0;
+ cond_resched();
+ goto more;
+ }
}

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 42bbe6824b4b..58f48ea0db23 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1154,7 +1154,7 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
* semantics). All the events that happen during that period of time are
* chained in ep->ovflist and requeued later on.
*/
- if (unlikely(ep->ovflist != EP_UNACTIVE_PTR)) {
+ if (ep->ovflist != EP_UNACTIVE_PTR) {
if (epi->next == EP_UNACTIVE_PTR) {
epi->next = ep->ovflist;
ep->ovflist = epi;
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 111824199a88..b9fe937a3c70 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -352,12 +352,14 @@ static int f2fs_acl_create(struct inode *dir, umode_t *mode,
return PTR_ERR(p);

clone = f2fs_acl_clone(p, GFP_NOFS);
- if (!clone)
- goto no_mem;
+ if (!clone) {
+ ret = -ENOMEM;
+ goto release_acl;
+ }

ret = f2fs_acl_create_masq(clone, mode);
if (ret < 0)
- goto no_mem_clone;
+ goto release_clone;

if (ret == 0)
posix_acl_release(clone);
@@ -371,11 +373,11 @@ static int f2fs_acl_create(struct inode *dir, umode_t *mode,

return 0;

-no_mem_clone:
+release_clone:
posix_acl_release(clone);
-no_mem:
+release_acl:
posix_acl_release(p);
- return -ENOMEM;
+ return ret;
}

int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 11f28342f641..08314fb42652 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2259,6 +2259,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
bool locked = false;
struct extent_info ei = {0,0,0};
int err = 0;
+ int flag;

/*
* we already allocated all the blocks, so we don't need to get
@@ -2268,9 +2269,15 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
!is_inode_flag_set(inode, FI_NO_PREALLOC))
return 0;

+ /* f2fs_lock_op avoids race between write CP and convert_inline_page */
+ if (f2fs_has_inline_data(inode) && pos + len > MAX_INLINE_DATA(inode))
+ flag = F2FS_GET_BLOCK_DEFAULT;
+ else
+ flag = F2FS_GET_BLOCK_PRE_AIO;
+
if (f2fs_has_inline_data(inode) ||
(pos & PAGE_MASK) >= i_size_read(inode)) {
- __do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
+ __do_map_lock(sbi, flag, true);
locked = true;
}
restart:
@@ -2308,6 +2315,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
f2fs_put_dnode(&dn);
__do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO,
true);
+ WARN_ON(flag != F2FS_GET_BLOCK_PRE_AIO);
locked = true;
goto restart;
}
@@ -2321,7 +2329,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
f2fs_put_dnode(&dn);
unlock_out:
if (locked)
- __do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
+ __do_map_lock(sbi, flag, false);
return err;
}

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ecb735142276..42aef5c94927 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2613,10 +2613,19 @@ static inline bool is_dot_dotdot(const struct qstr *str)

static inline bool f2fs_may_extent_tree(struct inode *inode)
{
- if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) ||
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ if (!test_opt(sbi, EXTENT_CACHE) ||
is_inode_flag_set(inode, FI_NO_EXTENT))
return false;

+ /*
+ * for recovered files during mount do not create extents
+ * if shrinker is not registered.
+ */
+ if (list_empty(&sbi->s_list))
+ return false;
+
return S_ISREG(inode->i_mode);
}

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5474aaa274b9..fd36aa6569dc 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -220,6 +220,9 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,

trace_f2fs_sync_file_enter(inode);

+ if (S_ISDIR(inode->i_mode))
+ goto go_write;
+
/* if fdatasync is triggered, let's do in-place-update */
if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
set_inode_flag(inode, FI_NEED_IPU);
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c
index 36cfd816c160..29042e6d5126 100644
--- a/fs/f2fs/shrinker.c
+++ b/fs/f2fs/shrinker.c
@@ -138,6 +138,6 @@ void f2fs_leave_shrinker(struct f2fs_sb_info *sbi)
f2fs_shrink_extent_tree(sbi, __count_extent_cache(sbi));

spin_lock(&f2fs_list_lock);
- list_del(&sbi->s_list);
+ list_del_init(&sbi->s_list);
spin_unlock(&f2fs_list_lock);
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 338138b34993..c9639ef0e8d5 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1039,9 +1039,6 @@ static void f2fs_put_super(struct super_block *sb)
f2fs_write_checkpoint(sbi, &cpc);
}

- /* f2fs_write_checkpoint can update stat informaion */
- f2fs_destroy_stats(sbi);
-
/*
* normally superblock is clean, so we need to release this.
* In addition, EIO will skip do checkpoint, we need this as well.
@@ -1061,6 +1058,12 @@ static void f2fs_put_super(struct super_block *sb)
iput(sbi->node_inode);
iput(sbi->meta_inode);

+ /*
+ * iput() can update stat information, if f2fs_write_checkpoint()
+ * above failed with error.
+ */
+ f2fs_destroy_stats(sbi);
+
/* destroy f2fs internal modules */
f2fs_destroy_node_manager(sbi);
f2fs_destroy_segment_manager(sbi);
@@ -2980,30 +2983,30 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)

f2fs_build_gc_manager(sbi);

+ err = f2fs_build_stats(sbi);
+ if (err)
+ goto free_nm;
+
/* get an inode for node space */
sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
if (IS_ERR(sbi->node_inode)) {
f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
err = PTR_ERR(sbi->node_inode);
- goto free_nm;
+ goto free_stats;
}

- err = f2fs_build_stats(sbi);
- if (err)
- goto free_node_inode;
-
/* read root inode and dentry */
root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
if (IS_ERR(root)) {
f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
err = PTR_ERR(root);
- goto free_stats;
+ goto free_node_inode;
}
if (!S_ISDIR(root->i_mode) || !root->i_blocks ||
!root->i_size || !root->i_nlink) {
iput(root);
err = -EINVAL;
- goto free_stats;
+ goto free_node_inode;
}

sb->s_root = d_make_root(root); /* allocate root dentry */
@@ -3121,12 +3124,12 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
free_root_inode:
dput(sb->s_root);
sb->s_root = NULL;
-free_stats:
- f2fs_destroy_stats(sbi);
free_node_inode:
f2fs_release_ino_entry(sbi, true);
truncate_inode_pages_final(NODE_MAPPING(sbi));
iput(sbi->node_inode);
+free_stats:
+ f2fs_destroy_stats(sbi);
free_nm:
f2fs_destroy_node_manager(sbi);
free_sm:
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index bf0da0382c9e..baaed4d05b22 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1698,7 +1698,6 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
req->in.h.nodeid = outarg->nodeid;
req->in.numargs = 2;
req->in.argpages = 1;
- req->page_descs[0].offset = offset;
req->end = fuse_retrieve_end;

index = outarg->offset >> PAGE_SHIFT;
@@ -1713,6 +1712,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,

this_num = min_t(unsigned, num, PAGE_SIZE - offset);
req->pages[req->num_pages] = page;
+ req->page_descs[req->num_pages].offset = offset;
req->page_descs[req->num_pages].length = this_num;
req->num_pages++;

@@ -2032,8 +2032,10 @@ static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe,

ret = fuse_dev_do_write(fud, &cs, len);

+ pipe_lock(pipe);
for (idx = 0; idx < nbuf; idx++)
pipe_buf_release(pipe, &bufs[idx]);
+ pipe_unlock(pipe);

out:
kvfree(bufs);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index fbd6978479cb..bd500c3b7858 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1778,7 +1778,7 @@ static bool fuse_writepage_in_flight(struct fuse_req *new_req,
spin_unlock(&fc->lock);

dec_wb_stat(&bdi->wb, WB_WRITEBACK);
- dec_node_page_state(page, NR_WRITEBACK_TEMP);
+ dec_node_page_state(new_req->pages[0], NR_WRITEBACK_TEMP);
wb_writeout_inc(&bdi->wb);
fuse_writepage_free(fc, new_req);
fuse_request_free(new_req);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ac4b2f005778..5ef2c71348bd 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2409,8 +2409,7 @@ static int nfs_compare_mount_options(const struct super_block *s, const struct n
goto Ebusy;
if (a->acdirmax != b->acdirmax)
goto Ebusy;
- if (b->auth_info.flavor_len > 0 &&
- clnt_a->cl_auth->au_flavor != clnt_b->cl_auth->au_flavor)
+ if (clnt_a->cl_auth->au_flavor != clnt_b->cl_auth->au_flavor)
goto Ebusy;
return 1;
Ebusy:
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 7fb9f7c667b1..899174c7a8ae 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1126,6 +1126,8 @@ static ssize_t write_v4_end_grace(struct file *file, char *buf, size_t size)
case 'Y':
case 'y':
case '1':
+ if (nn->nfsd_serv)
+ return -EBUSY;
nfsd4_end_grace(nn);
break;
default:
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 99ee093182cb..cc9b32b9db7c 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)

obj-$(CONFIG_OCFS2_FS) += \
ocfs2.o \
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 1d098c3c00e0..9f8250df99f1 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -152,7 +152,6 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
#endif
}

- clear_buffer_uptodate(bh);
get_bh(bh); /* for end_buffer_read_sync() */
bh->b_end_io = end_buffer_read_sync;
submit_bh(REQ_OP_READ, 0, bh);
@@ -306,7 +305,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
continue;
}

- clear_buffer_uptodate(bh);
get_bh(bh); /* for end_buffer_read_sync() */
if (validate)
set_buffer_needs_validate(bh);
diff --git a/fs/ocfs2/dlm/Makefile b/fs/ocfs2/dlm/Makefile
index bd1aab1f49a4..ef2854422a6e 100644
--- a/fs/ocfs2/dlm/Makefile
+++ b/fs/ocfs2/dlm/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)/..

obj-$(CONFIG_OCFS2_FS_O2CB) += ocfs2_dlm.o

diff --git a/fs/ocfs2/dlmfs/Makefile b/fs/ocfs2/dlmfs/Makefile
index eed3db8c5b49..33431a0296a3 100644
--- a/fs/ocfs2/dlmfs/Makefile
+++ b/fs/ocfs2/dlmfs/Makefile
@@ -1,4 +1,4 @@
-ccflags-y := -Ifs/ocfs2
+ccflags-y := -I$(src)/..

obj-$(CONFIG_OCFS2_FS) += ocfs2_dlmfs.o

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 5df554a9f9c9..ae796e10f68b 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1357,6 +1357,12 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)

iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
ICBTAG_FLAG_AD_MASK;
+ if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_SHORT &&
+ iinfo->i_alloc_type != ICBTAG_FLAG_AD_LONG &&
+ iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
+ ret = -EIO;
+ goto out;
+ }
iinfo->i_unique = 0;
iinfo->i_lenEAttr = 0;
iinfo->i_lenExtents = 0;
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 6fc5425b1474..2652d00842d6 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -243,7 +243,7 @@ xfs_attr3_leaf_verify(
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_attr_leafblock *leaf = bp->b_addr;
struct xfs_attr_leaf_entry *entries;
- uint16_t end;
+ uint32_t end; /* must be 32bit - see below */
int i;

xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo, &ichdr, leaf);
@@ -293,6 +293,11 @@ xfs_attr3_leaf_verify(
/*
* Quickly check the freemap information. Attribute data has to be
* aligned to 4-byte boundaries, and likewise for the free space.
+ *
+ * Note that for 64k block size filesystems, the freemap entries cannot
+ * overflow as they are only be16 fields. However, when checking end
+ * pointer of the freemap, we have to be careful to detect overflows and
+ * so use uint32_t for those checks.
*/
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
if (ichdr.freemap[i].base > mp->m_attr_geo->blksize)
@@ -303,7 +308,9 @@ xfs_attr3_leaf_verify(
return __this_address;
if (ichdr.freemap[i].size & 0x3)
return __this_address;
- end = ichdr.freemap[i].base + ichdr.freemap[i].size;
+
+ /* be care of 16 bit overflows here */
+ end = (uint32_t)ichdr.freemap[i].base + ichdr.freemap[i].size;
if (end < ichdr.freemap[i].base)
return __this_address;
if (end > mp->m_attr_geo->blksize)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index a47670332326..3a496ffe6551 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1683,10 +1683,13 @@ xfs_bmap_add_extent_delay_real(
case BMAP_LEFT_FILLING | BMAP_RIGHT_FILLING | BMAP_RIGHT_CONTIG:
/*
* Filling in all of a previously delayed allocation extent.
- * The right neighbor is contiguous, the left is not.
+ * The right neighbor is contiguous, the left is not. Take care
+ * with delay -> unwritten extent allocation here because the
+ * delalloc record we are overwriting is always written.
*/
PREV.br_startblock = new->br_startblock;
PREV.br_blockcount += RIGHT.br_blockcount;
+ PREV.br_state = new->br_state;

xfs_iext_next(ifp, &bma->icur);
xfs_iext_remove(bma->ip, &bma->icur, state);
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 34c6d7bd4d18..bbdae2b4559f 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -330,7 +330,7 @@ xfs_btree_sblock_verify_crc(

if (xfs_sb_version_hascrc(&mp->m_sb)) {
if (!xfs_log_check_lsn(mp, be64_to_cpu(block->bb_u.s.bb_lsn)))
- return __this_address;
+ return false;
return xfs_buf_verify_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
}

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 49f5f5896a43..b697866946d2 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -449,6 +449,7 @@ xfs_map_blocks(
}

wpc->imap = imap;
+ xfs_trim_extent_eof(&wpc->imap, ip);
trace_xfs_map_blocks_found(ip, offset, count, wpc->io_type, &imap);
return 0;
allocate_blocks:
@@ -459,6 +460,7 @@ xfs_map_blocks(
ASSERT(whichfork == XFS_COW_FORK || cow_fsb == NULLFILEOFF ||
imap.br_startoff + imap.br_blockcount <= cow_fsb);
wpc->imap = imap;
+ xfs_trim_extent_eof(&wpc->imap, ip);
trace_xfs_map_blocks_alloc(ip, offset, count, wpc->io_type, &imap);
return 0;
}
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 6de8d90041ff..211b06e4702e 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1175,9 +1175,9 @@ xfs_free_file_space(
* page could be mmap'd and iomap_zero_range doesn't do that for us.
* Writeback of the eof page will do this, albeit clumsily.
*/
- if (offset + len >= XFS_ISIZE(ip) && ((offset + len) & PAGE_MASK)) {
+ if (offset + len >= XFS_ISIZE(ip) && offset_in_page(offset + len) > 0) {
error = filemap_write_and_wait_range(VFS_I(ip)->i_mapping,
- (offset + len) & ~PAGE_MASK, LLONG_MAX);
+ round_down(offset + len, PAGE_SIZE), LLONG_MAX);
}

return error;
@@ -1824,6 +1824,12 @@ xfs_swap_extents(
if (error)
goto out_unlock;

+ if (xfs_inode_has_cow_data(tip)) {
+ error = xfs_reflink_cancel_cow_range(tip, 0, NULLFILEOFF, true);
+ if (error)
+ return error;
+ }
+
/*
* Extent "swapping" with rmap requires a permanent reservation and
* a block reservation because it's really just a remap operation
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 12d8455bfbb2..010db5f8fb00 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -1233,9 +1233,23 @@ xfs_buf_iodone(
}

/*
- * Requeue a failed buffer for writeback
+ * Requeue a failed buffer for writeback.
*
- * Return true if the buffer has been re-queued properly, false otherwise
+ * We clear the log item failed state here as well, but we have to be careful
+ * about reference counts because the only active reference counts on the buffer
+ * may be the failed log items. Hence if we clear the log item failed state
+ * before queuing the buffer for IO we can release all active references to
+ * the buffer and free it, leading to use after free problems in
+ * xfs_buf_delwri_queue. It makes no difference to the buffer or log items which
+ * order we process them in - the buffer is locked, and we own the buffer list
+ * so nothing on them is going to change while we are performing this action.
+ *
+ * Hence we can safely queue the buffer for IO before we clear the failed log
+ * item state, therefore always having an active reference to the buffer and
+ * avoiding the transient zero-reference state that leads to use-after-free.
+ *
+ * Return true if the buffer was added to the buffer list, false if it was
+ * already on the buffer list.
*/
bool
xfs_buf_resubmit_failed_buffers(
@@ -1243,16 +1257,16 @@ xfs_buf_resubmit_failed_buffers(
struct list_head *buffer_list)
{
struct xfs_log_item *lip;
+ bool ret;
+
+ ret = xfs_buf_delwri_queue(bp, buffer_list);

/*
- * Clear XFS_LI_FAILED flag from all items before resubmit
- *
- * XFS_LI_FAILED set/clear is protected by ail_lock, caller this
+ * XFS_LI_FAILED set/clear is protected by ail_lock, caller of this
* function already have it acquired
*/
list_for_each_entry(lip, &bp->b_li_list, li_bio_list)
xfs_clear_li_failed(lip);

- /* Add this buffer back to the delayed write list */
- return xfs_buf_delwri_queue(bp, buffer_list);
+ return ret;
}
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 0ef5ece5634c..bad90479ade2 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1616,7 +1616,7 @@ xfs_ioc_getbmap(
error = 0;
out_free_buf:
kmem_free(buf);
- return 0;
+ return error;
}

struct getfsmap_info {
diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c
index 73a1d77ec187..3091e4bc04ef 100644
--- a/fs/xfs/xfs_qm_bhv.c
+++ b/fs/xfs/xfs_qm_bhv.c
@@ -40,7 +40,7 @@ xfs_fill_statvfs_from_dquot(
statp->f_files = limit;
statp->f_ffree =
(statp->f_files > dqp->q_res_icount) ?
- (statp->f_ffree - dqp->q_res_icount) : 0;
+ (statp->f_files - dqp->q_res_icount) : 0;
}
}

diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 42ea7bab9144..7088f44c0c59 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -302,6 +302,7 @@ xfs_reflink_reserve_cow(
if (error)
return error;

+ xfs_trim_extent(imap, got.br_startoff, got.br_blockcount);
trace_xfs_reflink_cow_alloc(ip, &got);
return 0;
}
diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c
index 4e4423153071..740ac9674848 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -119,7 +119,7 @@ static int xqmstat_proc_show(struct seq_file *m, void *v)
int j;

seq_printf(m, "qm");
- for (j = XFSSTAT_END_IBT_V2; j < XFSSTAT_END_XQMSTAT; j++)
+ for (j = XFSSTAT_END_REFCOUNT; j < XFSSTAT_END_XQMSTAT; j++)
seq_printf(m, " %u", counter_val(xfsstats.xs_stats, j));
seq_putc(m, '\n');
return 0;
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 218df7f4d3e1..5041357d0297 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -180,12 +180,10 @@ enum cpuhp_smt_control {
#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_SMT)
extern enum cpuhp_smt_control cpu_smt_control;
extern void cpu_smt_disable(bool force);
-extern void cpu_smt_check_topology_early(void);
extern void cpu_smt_check_topology(void);
#else
# define cpu_smt_control (CPU_SMT_ENABLED)
static inline void cpu_smt_disable(bool force) { }
-static inline void cpu_smt_check_topology_early(void) { }
static inline void cpu_smt_check_topology(void) { }
#endif

diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h
index 5972e4969197..eeae59d3ceb7 100644
--- a/include/linux/genl_magic_struct.h
+++ b/include/linux/genl_magic_struct.h
@@ -191,6 +191,7 @@ static inline void ct_assert_unique_operations(void)
{
switch (0) {
#include GENL_MAGIC_INCLUDE_FILE
+ case 0:
;
}
}
@@ -209,6 +210,7 @@ static inline void ct_assert_unique_top_level_attributes(void)
{
switch (0) {
#include GENL_MAGIC_INCLUDE_FILE
+ case 0:
;
}
}
@@ -218,7 +220,8 @@ static inline void ct_assert_unique_top_level_attributes(void)
static inline void ct_assert_unique_ ## s_name ## _attributes(void) \
{ \
switch (0) { \
- s_fields \
+ s_fields \
+ case 0: \
; \
} \
}
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 21ddbe440030..acc4279ad5e3 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -142,7 +142,7 @@ int gpiod_is_active_low(const struct gpio_desc *desc);
int gpiod_cansleep(const struct gpio_desc *desc);

int gpiod_to_irq(const struct gpio_desc *desc);
-void gpiod_set_consumer_name(struct gpio_desc *desc, const char *name);
+int gpiod_set_consumer_name(struct gpio_desc *desc, const char *name);

/* Convert between the old gpio_ and new gpiod_ interfaces */
struct gpio_desc *gpio_to_desc(unsigned gpio);
@@ -465,10 +465,12 @@ static inline int gpiod_to_irq(const struct gpio_desc *desc)
return -EINVAL;
}

-static inline void gpiod_set_consumer_name(struct gpio_desc *desc, const char *name)
+static inline int gpiod_set_consumer_name(struct gpio_desc *desc,
+ const char *name)
{
/* GPIO can never have been requested */
WARN_ON(1);
+ return -EINVAL;
}

static inline struct gpio_desc *gpio_to_desc(unsigned gpio)
diff --git a/include/linux/hid-debug.h b/include/linux/hid-debug.h
index 8663f216c563..2d6100edf204 100644
--- a/include/linux/hid-debug.h
+++ b/include/linux/hid-debug.h
@@ -24,7 +24,10 @@

#ifdef CONFIG_DEBUG_FS

+#include <linux/kfifo.h>
+
#define HID_DEBUG_BUFSIZE 512
+#define HID_DEBUG_FIFOSIZE 512

void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);
void hid_dump_report(struct hid_device *, int , u8 *, int);
@@ -37,11 +40,8 @@ void hid_debug_init(void);
void hid_debug_exit(void);
void hid_debug_event(struct hid_device *, char *);

-
struct hid_debug_list {
- char *hid_debug_buf;
- int head;
- int tail;
+ DECLARE_KFIFO_PTR(hid_debug_fifo, char);
struct fasync_struct *fasync;
struct hid_device *hdev;
struct list_head node;
@@ -64,4 +64,3 @@ struct hid_debug_list {
#endif

#endif
-
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c926698040e0..a03d5e264e5e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -694,7 +694,8 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
void *data, unsigned long len);
int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
- void *data, int offset, unsigned long len);
+ void *data, unsigned int offset,
+ unsigned long len);
int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
gpa_t gpa, unsigned long len);
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 88a041b73abf..bbcfe2e5fd91 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1321,7 +1321,7 @@ enum {
static inline const struct cpumask *
mlx5_get_vector_affinity_hint(struct mlx5_core_dev *dev, int vector)
{
- return dev->priv.irq_info[vector].mask;
+ return dev->priv.irq_info[vector + MLX5_EQ_VEC_COMP_BASE].mask;
}

#endif /* MLX5_DRIVER_H */
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index ea8c93bbb0e0..e87f2d5b3cc6 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -171,7 +171,11 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream)
if (snd_BUG_ON(!stream))
return;

- stream->runtime->state = SNDRV_PCM_STATE_SETUP;
+ if (stream->direction == SND_COMPRESS_PLAYBACK)
+ stream->runtime->state = SNDRV_PCM_STATE_SETUP;
+ else
+ stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+
wake_up(&stream->runtime->sleep);
}

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 1aa517908561..e578c3999970 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -1743,7 +1743,7 @@ static int parse_cgroup_root_flags(char *data, unsigned int *root_flags)

*root_flags = 0;

- if (!data)
+ if (!data || *data == '\0')
return 0;

while ((token = strsep(&data, ",")) != NULL) {
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 1699ff68c412..56f657adcf03 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -355,9 +355,6 @@ void __weak arch_smt_update(void) { }

#ifdef CONFIG_HOTPLUG_SMT
enum cpuhp_smt_control cpu_smt_control __read_mostly = CPU_SMT_ENABLED;
-EXPORT_SYMBOL_GPL(cpu_smt_control);
-
-static bool cpu_smt_available __read_mostly;

void __init cpu_smt_disable(bool force)
{
@@ -375,25 +372,11 @@ void __init cpu_smt_disable(bool force)

/*
* The decision whether SMT is supported can only be done after the full
- * CPU identification. Called from architecture code before non boot CPUs
- * are brought up.
- */
-void __init cpu_smt_check_topology_early(void)
-{
- if (!topology_smt_supported())
- cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
-}
-
-/*
- * If SMT was disabled by BIOS, detect it here, after the CPUs have been
- * brought online. This ensures the smt/l1tf sysfs entries are consistent
- * with reality. cpu_smt_available is set to true during the bringup of non
- * boot CPUs when a SMT sibling is detected. Note, this may overwrite
- * cpu_smt_control's previous setting.
+ * CPU identification. Called from architecture code.
*/
void __init cpu_smt_check_topology(void)
{
- if (!cpu_smt_available)
+ if (!topology_smt_supported())
cpu_smt_control = CPU_SMT_NOT_SUPPORTED;
}

@@ -406,18 +389,10 @@ early_param("nosmt", smt_cmdline_disable);

static inline bool cpu_smt_allowed(unsigned int cpu)
{
- if (topology_is_primary_thread(cpu))
+ if (cpu_smt_control == CPU_SMT_ENABLED)
return true;

- /*
- * If the CPU is not a 'primary' thread and the booted_once bit is
- * set then the processor has SMT support. Store this information
- * for the late check of SMT support in cpu_smt_check_topology().
- */
- if (per_cpu(cpuhp_state, cpu).booted_once)
- cpu_smt_available = true;
-
- if (cpu_smt_control == CPU_SMT_ENABLED)
+ if (topology_is_primary_thread(cpu))
return true;

/*
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 65c0f1363788..94aa9ae0007a 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -535,6 +535,8 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs,
arch_kgdb_ops.correct_hw_break();
if (trace_on)
tracing_on();
+ kgdb_info[cpu].debuggerinfo = NULL;
+ kgdb_info[cpu].task = NULL;
kgdb_info[cpu].exception_state &=
~(DCPU_WANT_MASTER | DCPU_IS_SLAVE);
kgdb_info[cpu].enter_kgdb--;
@@ -667,6 +669,8 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs,
if (trace_on)
tracing_on();

+ kgdb_info[cpu].debuggerinfo = NULL;
+ kgdb_info[cpu].task = NULL;
kgdb_info[cpu].exception_state &=
~(DCPU_WANT_MASTER | DCPU_IS_SLAVE);
kgdb_info[cpu].enter_kgdb--;
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c
index 7921ae4fca8d..7e2379aa0a1e 100644
--- a/kernel/debug/kdb/kdb_bt.c
+++ b/kernel/debug/kdb/kdb_bt.c
@@ -186,7 +186,16 @@ kdb_bt(int argc, const char **argv)
kdb_printf("btc: cpu status: ");
kdb_parse("cpu\n");
for_each_online_cpu(cpu) {
- sprintf(buf, "btt 0x%px\n", KDB_TSK(cpu));
+ void *kdb_tsk = KDB_TSK(cpu);
+
+ /* If a CPU failed to round up we could be here */
+ if (!kdb_tsk) {
+ kdb_printf("WARNING: no task for cpu %ld\n",
+ cpu);
+ continue;
+ }
+
+ sprintf(buf, "btt 0x%px\n", kdb_tsk);
kdb_parse(buf);
touch_nmi_watchdog();
}
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index 15e1a7af5dd0..53a0df6e4d92 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -118,13 +118,6 @@ int kdb_stub(struct kgdb_state *ks)
kdb_bp_remove();
KDB_STATE_CLEAR(DOING_SS);
KDB_STATE_SET(PAGER);
- /* zero out any offline cpu data */
- for_each_present_cpu(i) {
- if (!cpu_online(i)) {
- kgdb_info[i].debuggerinfo = NULL;
- kgdb_info[i].task = NULL;
- }
- }
if (ks->err_code == DIE_OOPS || reason == KDB_REASON_OOPS) {
ks->pass_exception = 1;
KDB_FLAG_SET(CATASTROPHIC);
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 5d3cf407e374..51386d9105fa 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -724,6 +724,9 @@ struct ring_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags)
size = sizeof(struct ring_buffer);
size += nr_pages * sizeof(void *);

+ if (order_base_2(size) >= MAX_ORDER)
+ goto fail;
+
rb = kzalloc(size, GFP_KERNEL);
if (!rb)
goto fail;
diff --git a/kernel/futex.c b/kernel/futex.c
index f89abca89513..d7c465fd687c 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2850,35 +2850,39 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
* and BUG when futex_unlock_pi() interleaves with this.
*
* Therefore acquire wait_lock while holding hb->lock, but drop the
- * latter before calling rt_mutex_start_proxy_lock(). This still fully
- * serializes against futex_unlock_pi() as that does the exact same
- * lock handoff sequence.
+ * latter before calling __rt_mutex_start_proxy_lock(). This
+ * interleaves with futex_unlock_pi() -- which does a similar lock
+ * handoff -- such that the latter can observe the futex_q::pi_state
+ * before __rt_mutex_start_proxy_lock() is done.
*/
raw_spin_lock_irq(&q.pi_state->pi_mutex.wait_lock);
spin_unlock(q.lock_ptr);
+ /*
+ * __rt_mutex_start_proxy_lock() unconditionally enqueues the @rt_waiter
+ * such that futex_unlock_pi() is guaranteed to observe the waiter when
+ * it sees the futex_q::pi_state.
+ */
ret = __rt_mutex_start_proxy_lock(&q.pi_state->pi_mutex, &rt_waiter, current);
raw_spin_unlock_irq(&q.pi_state->pi_mutex.wait_lock);

if (ret) {
if (ret == 1)
ret = 0;
-
- spin_lock(q.lock_ptr);
- goto no_block;
+ goto cleanup;
}

-
if (unlikely(to))
hrtimer_start_expires(&to->timer, HRTIMER_MODE_ABS);

ret = rt_mutex_wait_proxy_lock(&q.pi_state->pi_mutex, to, &rt_waiter);

+cleanup:
spin_lock(q.lock_ptr);
/*
- * If we failed to acquire the lock (signal/timeout), we must
+ * If we failed to acquire the lock (deadlock/signal/timeout), we must
* first acquire the hb->lock before removing the lock from the
- * rt_mutex waitqueue, such that we can keep the hb and rt_mutex
- * wait lists consistent.
+ * rt_mutex waitqueue, such that we can keep the hb and rt_mutex wait
+ * lists consistent.
*
* In particular; it is important that futex_unlock_pi() can not
* observe this inconsistency.
@@ -3002,6 +3006,10 @@ static int futex_unlock_pi(u32 __user *uaddr, unsigned int flags)
* there is no point where we hold neither; and therefore
* wake_futex_pi() must observe a state consistent with what we
* observed.
+ *
+ * In particular; this forces __rt_mutex_start_proxy() to
+ * complete such that we're guaranteed to observe the
+ * rt_waiter. Also see the WARN in wake_futex_pi().
*/
raw_spin_lock_irq(&pi_state->pi_mutex.wait_lock);
spin_unlock(&hb->lock);
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index b9132d1269ef..9eca2371f189 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -33,7 +33,7 @@ int __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT;
* is disabled during the critical section. It also controls the size of
* the RCU grace period. So it needs to be upper-bound.
*/
-#define HUNG_TASK_BATCHING 1024
+#define HUNG_TASK_LOCK_BREAK (HZ / 10)

/*
* Zero means infinite timeout - no checking done:
@@ -111,8 +111,11 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)

trace_sched_process_hang(t);

- if (!sysctl_hung_task_warnings && !sysctl_hung_task_panic)
- return;
+ if (sysctl_hung_task_panic) {
+ console_verbose();
+ hung_task_show_lock = true;
+ hung_task_call_panic = true;
+ }

/*
* Ok, the task did not get scheduled for more than 2 minutes,
@@ -134,11 +137,6 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
}

touch_nmi_watchdog();
-
- if (sysctl_hung_task_panic) {
- hung_task_show_lock = true;
- hung_task_call_panic = true;
- }
}

/*
@@ -172,7 +170,7 @@ static bool rcu_lock_break(struct task_struct *g, struct task_struct *t)
static void check_hung_uninterruptible_tasks(unsigned long timeout)
{
int max_count = sysctl_hung_task_check_count;
- int batch_count = HUNG_TASK_BATCHING;
+ unsigned long last_break = jiffies;
struct task_struct *g, *t;

/*
@@ -187,10 +185,10 @@ static void check_hung_uninterruptible_tasks(unsigned long timeout)
for_each_process_thread(g, t) {
if (!max_count--)
goto unlock;
- if (!--batch_count) {
- batch_count = HUNG_TASK_BATCHING;
+ if (time_after(jiffies, last_break + HUNG_TASK_LOCK_BREAK)) {
if (!rcu_lock_break(g, t))
goto unlock;
+ last_break = jiffies;
}
/* use "==" to skip the TASK_KILLABLE tasks waiting on NFS */
if (t->state == TASK_UNINTERRUPTIBLE)
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index f4f29b9d90ee..e12cdf637c71 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -117,12 +117,11 @@ static int irq_build_affinity_masks(const struct irq_affinity *affd,
*/
if (numvecs <= nodes) {
for_each_node_mask(n, nodemsk) {
- cpumask_copy(masks + curvec, node_to_cpumask[n]);
- if (++done == numvecs)
- break;
+ cpumask_or(masks + curvec, masks + curvec, node_to_cpumask[n]);
if (++curvec == last_affv)
curvec = affd->pre_vectors;
}
+ done = numvecs;
goto out;
}

diff --git a/kernel/kcov.c b/kernel/kcov.c
index 97959d7b77e2..c2277dbdbfb1 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -112,7 +112,7 @@ void notrace __sanitizer_cov_trace_pc(void)
EXPORT_SYMBOL(__sanitizer_cov_trace_pc);

#ifdef CONFIG_KCOV_ENABLE_COMPARISONS
-static void write_comp_data(u64 type, u64 arg1, u64 arg2, u64 ip)
+static void notrace write_comp_data(u64 type, u64 arg1, u64 arg2, u64 ip)
{
struct task_struct *t;
u64 *area;
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 2823d4163a37..9562aaa2afdc 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1726,12 +1726,33 @@ void rt_mutex_proxy_unlock(struct rt_mutex *lock,
rt_mutex_set_owner(lock, NULL);
}

+/**
+ * __rt_mutex_start_proxy_lock() - Start lock acquisition for another task
+ * @lock: the rt_mutex to take
+ * @waiter: the pre-initialized rt_mutex_waiter
+ * @task: the task to prepare
+ *
+ * Starts the rt_mutex acquire; it enqueues the @waiter and does deadlock
+ * detection. It does not wait, see rt_mutex_wait_proxy_lock() for that.
+ *
+ * NOTE: does _NOT_ remove the @waiter on failure; must either call
+ * rt_mutex_wait_proxy_lock() or rt_mutex_cleanup_proxy_lock() after this.
+ *
+ * Returns:
+ * 0 - task blocked on lock
+ * 1 - acquired the lock for task, caller should wake it up
+ * <0 - error
+ *
+ * Special API call for PI-futex support.
+ */
int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
struct rt_mutex_waiter *waiter,
struct task_struct *task)
{
int ret;

+ lockdep_assert_held(&lock->wait_lock);
+
if (try_to_take_rt_mutex(lock, task, NULL))
return 1;

@@ -1749,9 +1770,6 @@ int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
ret = 0;
}

- if (unlikely(ret))
- remove_waiter(lock, waiter);
-
debug_rt_mutex_print_deadlock(waiter);

return ret;
@@ -1763,12 +1781,18 @@ int __rt_mutex_start_proxy_lock(struct rt_mutex *lock,
* @waiter: the pre-initialized rt_mutex_waiter
* @task: the task to prepare
*
+ * Starts the rt_mutex acquire; it enqueues the @waiter and does deadlock
+ * detection. It does not wait, see rt_mutex_wait_proxy_lock() for that.
+ *
+ * NOTE: unlike __rt_mutex_start_proxy_lock this _DOES_ remove the @waiter
+ * on failure.
+ *
* Returns:
* 0 - task blocked on lock
* 1 - acquired the lock for task, caller should wake it up
* <0 - error
*
- * Special API call for FUTEX_REQUEUE_PI support.
+ * Special API call for PI-futex support.
*/
int rt_mutex_start_proxy_lock(struct rt_mutex *lock,
struct rt_mutex_waiter *waiter,
@@ -1778,6 +1802,8 @@ int rt_mutex_start_proxy_lock(struct rt_mutex *lock,

raw_spin_lock_irq(&lock->wait_lock);
ret = __rt_mutex_start_proxy_lock(lock, waiter, task);
+ if (unlikely(ret))
+ remove_waiter(lock, waiter);
raw_spin_unlock_irq(&lock->wait_lock);

return ret;
@@ -1845,7 +1871,8 @@ int rt_mutex_wait_proxy_lock(struct rt_mutex *lock,
* @lock: the rt_mutex we were woken on
* @waiter: the pre-initialized rt_mutex_waiter
*
- * Attempt to clean up after a failed rt_mutex_wait_proxy_lock().
+ * Attempt to clean up after a failed __rt_mutex_start_proxy_lock() or
+ * rt_mutex_wait_proxy_lock().
*
* Unless we acquired the lock; we're still enqueued on the wait-list and can
* in fact still be granted ownership until we're removed. Therefore we can
diff --git a/kernel/module.c b/kernel/module.c
index 6746c85511fe..38bf28b5cc20 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1207,8 +1207,10 @@ static ssize_t store_uevent(struct module_attribute *mattr,
struct module_kobject *mk,
const char *buffer, size_t count)
{
- kobject_synth_uevent(&mk->kobj, buffer, count);
- return count;
+ int rc;
+
+ rc = kobject_synth_uevent(&mk->kobj, buffer, count);
+ return rc ? rc : count;
}

struct module_attribute module_uevent =
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7137bc343b4a..f7c375d1e601 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5932,6 +5932,7 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p

#ifdef CONFIG_SCHED_SMT
DEFINE_STATIC_KEY_FALSE(sched_smt_present);
+EXPORT_SYMBOL_GPL(sched_smt_present);

static inline void set_idle_cores(int cpu, int val)
{
diff --git a/kernel/smp.c b/kernel/smp.c
index d86eec5f51c1..084c8b3a2681 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -584,8 +584,6 @@ void __init smp_init(void)
num_nodes, (num_nodes > 1 ? "s" : ""),
num_cpus, (num_cpus > 1 ? "s" : ""));

- /* Final decision about SMT support */
- cpu_smt_check_topology();
/* Any cleanup work */
smp_cpus_done(setup_max_cpus);
}
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index cc02050fd0c4..32dea29d05a0 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2767,6 +2767,8 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
bool neg;

left -= proc_skip_spaces(&p);
+ if (!left)
+ break;

err = proc_get_long(&p, &left, &val, &neg,
proc_wspace_sep,
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f3b22f456fac..7846ce24ecc0 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -50,7 +50,9 @@ enum timekeeping_adv_mode {
static struct {
seqcount_t seq;
struct timekeeper timekeeper;
-} tk_core ____cacheline_aligned;
+} tk_core ____cacheline_aligned = {
+ .seq = SEQCNT_ZERO(tk_core.seq),
+};

static DEFINE_RAW_SPINLOCK(timekeeper_lock);
static struct timekeeper shadow_timekeeper;
diff --git a/lib/seq_buf.c b/lib/seq_buf.c
index 11f2ae0f9099..6aabb609dd87 100644
--- a/lib/seq_buf.c
+++ b/lib/seq_buf.c
@@ -144,9 +144,13 @@ int seq_buf_puts(struct seq_buf *s, const char *str)

WARN_ON(s->size == 0);

+ /* Add 1 to len for the trailing null byte which must be there */
+ len += 1;
+
if (seq_buf_can_fit(s, len)) {
memcpy(s->buffer + s->len, str, len);
- s->len += len;
+ /* Don't count the trailing null byte against the capacity */
+ s->len += len - 1;
return 0;
}
seq_buf_set_overflow(s);
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 82ac39ce5310..aecc0996628f 100644
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -541,38 +541,45 @@ static unsigned int __init print_ht(struct rhltable *rhlt)
static int __init test_insert_dup(struct test_obj_rhl *rhl_test_objects,
int cnt, bool slow)
{
- struct rhltable rhlt;
+ struct rhltable *rhlt;
unsigned int i, ret;
const char *key;
int err = 0;

- err = rhltable_init(&rhlt, &test_rht_params_dup);
- if (WARN_ON(err))
+ rhlt = kmalloc(sizeof(*rhlt), GFP_KERNEL);
+ if (WARN_ON(!rhlt))
+ return -EINVAL;
+
+ err = rhltable_init(rhlt, &test_rht_params_dup);
+ if (WARN_ON(err)) {
+ kfree(rhlt);
return err;
+ }

for (i = 0; i < cnt; i++) {
rhl_test_objects[i].value.tid = i;
- key = rht_obj(&rhlt.ht, &rhl_test_objects[i].list_node.rhead);
+ key = rht_obj(&rhlt->ht, &rhl_test_objects[i].list_node.rhead);
key += test_rht_params_dup.key_offset;

if (slow) {
- err = PTR_ERR(rhashtable_insert_slow(&rhlt.ht, key,
+ err = PTR_ERR(rhashtable_insert_slow(&rhlt->ht, key,
&rhl_test_objects[i].list_node.rhead));
if (err == -EAGAIN)
err = 0;
} else
- err = rhltable_insert(&rhlt,
+ err = rhltable_insert(rhlt,
&rhl_test_objects[i].list_node,
test_rht_params_dup);
if (WARN(err, "error %d on element %d/%d (%s)\n", err, i, cnt, slow? "slow" : "fast"))
goto skip_print;
}

- ret = print_ht(&rhlt);
+ ret = print_ht(rhlt);
WARN(ret != cnt, "missing rhltable elements (%d != %d, %s)\n", ret, cnt, slow? "slow" : "fast");

skip_print:
- rhltable_destroy(&rhlt);
+ rhltable_destroy(rhlt);
+ kfree(rhlt);

return 0;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9e45553cabd6..a9de1dbb9a6c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -294,6 +294,32 @@ EXPORT_SYMBOL(nr_online_nodes);
int page_group_by_mobility_disabled __read_mostly;

#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
+/*
+ * During boot we initialize deferred pages on-demand, as needed, but once
+ * page_alloc_init_late() has finished, the deferred pages are all initialized,
+ * and we can permanently disable that path.
+ */
+static DEFINE_STATIC_KEY_TRUE(deferred_pages);
+
+/*
+ * Calling kasan_free_pages() only after deferred memory initialization
+ * has completed. Poisoning pages during deferred memory init will greatly
+ * lengthen the process and cause problem in large memory systems as the
+ * deferred pages initialization is done with interrupt disabled.
+ *
+ * Assuming that there will be no reference to those newly initialized
+ * pages before they are ever allocated, this should have no effect on
+ * KASAN memory tracking as the poison will be properly inserted at page
+ * allocation time. The only corner case is when pages are allocated by
+ * on-demand allocation and then freed again before the deferred pages
+ * initialization is done, but this is not likely to happen.
+ */
+static inline void kasan_free_nondeferred_pages(struct page *page, int order)
+{
+ if (!static_branch_unlikely(&deferred_pages))
+ kasan_free_pages(page, order);
+}
+
/* Returns true if the struct page for the pfn is uninitialised */
static inline bool __meminit early_page_uninitialised(unsigned long pfn)
{
@@ -326,6 +352,8 @@ static inline bool update_defer_init(pg_data_t *pgdat,
return true;
}
#else
+#define kasan_free_nondeferred_pages(p, o) kasan_free_pages(p, o)
+
static inline bool early_page_uninitialised(unsigned long pfn)
{
return false;
@@ -1030,7 +1058,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
arch_free_page(page, order);
kernel_poison_pages(page, 1 << order, 0);
kernel_map_pages(page, 1 << order, 0);
- kasan_free_pages(page, order);
+ kasan_free_nondeferred_pages(page, order);

return true;
}
@@ -1593,13 +1621,6 @@ static int __init deferred_init_memmap(void *data)
return 0;
}

-/*
- * During boot we initialize deferred pages on-demand, as needed, but once
- * page_alloc_init_late() has finished, the deferred pages are all initialized,
- * and we can permanently disable that path.
- */
-static DEFINE_STATIC_KEY_TRUE(deferred_pages);
-
/*
* If this zone has deferred pages, try to grow it by initializing enough
* deferred pages to satisfy the allocation specified by order, rounded up to
diff --git a/mm/percpu-km.c b/mm/percpu-km.c
index 38de70ab1a0d..0f643dc2dc65 100644
--- a/mm/percpu-km.c
+++ b/mm/percpu-km.c
@@ -50,6 +50,7 @@ static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp)
const int nr_pages = pcpu_group_sizes[0] >> PAGE_SHIFT;
struct pcpu_chunk *chunk;
struct page *pages;
+ unsigned long flags;
int i;

chunk = pcpu_alloc_chunk(gfp);
@@ -68,9 +69,9 @@ static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp)
chunk->data = pages;
chunk->base_addr = page_address(pages) - pcpu_group_offsets[0];

- spin_lock_irq(&pcpu_lock);
+ spin_lock_irqsave(&pcpu_lock, flags);
pcpu_chunk_populated(chunk, 0, nr_pages, false);
- spin_unlock_irq(&pcpu_lock);
+ spin_unlock_irqrestore(&pcpu_lock, flags);

pcpu_stats_chunk_alloc();
trace_percpu_create_chunk(chunk->base_addr);
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index 6eb837a47b5c..baaaeb2b2c42 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -202,7 +202,7 @@ static inline void ccid_hc_tx_packet_recv(struct ccid *ccid, struct sock *sk,
static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
u8 pkt, u8 opt, u8 *val, u8 len)
{
- if (ccid->ccid_ops->ccid_hc_tx_parse_options == NULL)
+ if (!ccid || !ccid->ccid_ops->ccid_hc_tx_parse_options)
return 0;
return ccid->ccid_ops->ccid_hc_tx_parse_options(sk, pkt, opt, val, len);
}
@@ -214,7 +214,7 @@ static inline int ccid_hc_tx_parse_options(struct ccid *ccid, struct sock *sk,
static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
u8 pkt, u8 opt, u8 *val, u8 len)
{
- if (ccid->ccid_ops->ccid_hc_rx_parse_options == NULL)
+ if (!ccid || !ccid->ccid_ops->ccid_hc_rx_parse_options)
return 0;
return ccid->ccid_ops->ccid_hc_rx_parse_options(sk, pkt, opt, val, len);
}
diff --git a/net/dsa/master.c b/net/dsa/master.c
index c90ee3227dea..aae478d61101 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -158,6 +158,8 @@ static void dsa_master_ethtool_teardown(struct net_device *dev)
cpu_dp->orig_ethtool_ops = NULL;
}

+static struct lock_class_key dsa_master_addr_list_lock_key;
+
int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp)
{
/* If we use a tagging format that doesn't have an ethertype
@@ -167,6 +169,8 @@ int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp)
wmb();

dev->dsa_ptr = cpu_dp;
+ lockdep_set_class(&dev->addr_list_lock,
+ &dsa_master_addr_list_lock_key);

return dsa_master_ethtool_setup(dev);
}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 1c45c1d6d241..b39720d0995d 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -140,11 +140,14 @@ static int dsa_slave_close(struct net_device *dev)
static void dsa_slave_change_rx_flags(struct net_device *dev, int change)
{
struct net_device *master = dsa_slave_to_master(dev);
-
- if (change & IFF_ALLMULTI)
- dev_set_allmulti(master, dev->flags & IFF_ALLMULTI ? 1 : -1);
- if (change & IFF_PROMISC)
- dev_set_promiscuity(master, dev->flags & IFF_PROMISC ? 1 : -1);
+ if (dev->flags & IFF_UP) {
+ if (change & IFF_ALLMULTI)
+ dev_set_allmulti(master,
+ dev->flags & IFF_ALLMULTI ? 1 : -1);
+ if (change & IFF_PROMISC)
+ dev_set_promiscuity(master,
+ dev->flags & IFF_PROMISC ? 1 : -1);
+ }
}

static void dsa_slave_set_rx_mode(struct net_device *dev)
@@ -639,7 +642,7 @@ static int dsa_slave_set_eee(struct net_device *dev, struct ethtool_eee *e)
int ret;

/* Port's PHY and MAC both need to be EEE capable */
- if (!dev->phydev && !dp->pl)
+ if (!dev->phydev || !dp->pl)
return -ENODEV;

if (!ds->ops->set_mac_eee)
@@ -659,7 +662,7 @@ static int dsa_slave_get_eee(struct net_device *dev, struct ethtool_eee *e)
int ret;

/* Port's PHY and MAC both need to be EEE capable */
- if (!dev->phydev && !dp->pl)
+ if (!dev->phydev || !dp->pl)
return -ENODEV;

if (!ds->ops->get_mac_eee)
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 4a46df8441c9..f5b4febeaa25 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -144,6 +144,9 @@ static u32 __xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr)
index = __xfrm6_tunnel_spi_check(net, spi);
if (index >= 0)
goto alloc_spi;
+
+ if (spi == XFRM6_TUNNEL_SPI_MAX)
+ break;
}
for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tn->spi; spi++) {
index = __xfrm6_tunnel_spi_check(net, spi);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5e2b4a41acf1..51ad330bf8e8 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -142,6 +142,9 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
/* allocate extra bitmaps */
if (status->chains)
len += 4 * hweight8(status->chains);
+ /* vendor presence bitmap */
+ if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)
+ len += 4;

if (ieee80211_have_rx_timestamp(status)) {
len = ALIGN(len, 8);
@@ -197,8 +200,6 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
if (status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA) {
struct ieee80211_vendor_radiotap *rtap = (void *)skb->data;

- /* vendor presence bitmap */
- len += 4;
/* alignment for fixed 6-byte vendor data header */
len = ALIGN(len, 2);
/* vendor data header */
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 762d2c6788a3..17c9d9f0c848 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -78,10 +78,10 @@ struct rds_sock *rds_find_bound(const struct in6_addr *addr, __be16 port,
__rds_create_bind_key(key, addr, port, scope_id);
rcu_read_lock();
rs = rhashtable_lookup(&bind_hash_table, key, ht_parms);
- if (rs && !sock_flag(rds_rs_to_sk(rs), SOCK_DEAD))
- rds_sock_addref(rs);
- else
+ if (rs && (sock_flag(rds_rs_to_sk(rs), SOCK_DEAD) ||
+ !refcount_inc_not_zero(&rds_rs_to_sk(rs)->sk_refcnt)))
rs = NULL;
+
rcu_read_unlock();

rdsdebug("returning rs %p for %pI6c:%u\n", rs, addr,
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 816b19a78809..0374b0623c8b 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -596,6 +596,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
}
error_no_call:
release_sock(&rx->sk);
+error_trace:
trace_rxrpc_recvmsg(call, rxrpc_recvmsg_return, 0, 0, 0, ret);
return ret;

@@ -604,7 +605,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
wait_error:
finish_wait(sk_sleep(&rx->sk), &wait);
call = NULL;
- goto error_no_call;
+ goto error_trace;
}

/**
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 876393cf5ed6..e5e70cff5bb3 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2045,7 +2045,7 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
struct sctp_endpoint *ep = sctp_sk(sk)->ep;
struct sctp_transport *transport = NULL;
struct sctp_sndrcvinfo _sinfo, *sinfo;
- struct sctp_association *asoc;
+ struct sctp_association *asoc, *tmp;
struct sctp_cmsgs cmsgs;
union sctp_addr *daddr;
bool new = false;
@@ -2071,7 +2071,7 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)

/* SCTP_SENDALL process */
if ((sflags & SCTP_SENDALL) && sctp_style(sk, UDP)) {
- list_for_each_entry(asoc, &ep->asocs, asocs) {
+ list_for_each_entry_safe(asoc, tmp, &ep->asocs, asocs) {
err = sctp_sendmsg_check_sflags(asoc, sflags, msg,
msg_len);
if (err == 0)
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 80e0ae5534ec..f24633114dfd 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -84,6 +84,19 @@ static void fa_zero(struct flex_array *fa, size_t index, size_t count)
}
}

+static size_t fa_index(struct flex_array *fa, void *elem, size_t count)
+{
+ size_t index = 0;
+
+ while (count--) {
+ if (elem == flex_array_get(fa, index))
+ break;
+ index++;
+ }
+
+ return index;
+}
+
/* Migrates chunks from stream queues to new stream queues if needed,
* but not across associations. Also, removes those chunks to streams
* higher than the new max.
@@ -147,6 +160,13 @@ static int sctp_stream_alloc_out(struct sctp_stream *stream, __u16 outcnt,

if (stream->out) {
fa_copy(out, stream->out, 0, min(outcnt, stream->outcnt));
+ if (stream->out_curr) {
+ size_t index = fa_index(stream->out, stream->out_curr,
+ stream->outcnt);
+
+ BUG_ON(index == stream->outcnt);
+ stream->out_curr = flex_array_get(out, index);
+ }
fa_free(stream->out);
}

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 488019766433..32556f480a60 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -624,6 +624,12 @@ static void tipc_node_timeout(struct timer_list *t)

__skb_queue_head_init(&xmitq);

+ /* Initial node interval to value larger (10 seconds), then it will be
+ * recalculated with link lowest tolerance
+ */
+ tipc_node_read_lock(n);
+ n->keepalive_intv = 10000;
+ tipc_node_read_unlock(n);
for (bearer_id = 0; remains && (bearer_id < MAX_BEARERS); bearer_id++) {
tipc_node_read_lock(n);
le = &n->links[bearer_id];
diff --git a/samples/livepatch/livepatch-shadow-fix1.c b/samples/livepatch/livepatch-shadow-fix1.c
index 49b13553eaae..e8f1bd6b29b1 100644
--- a/samples/livepatch/livepatch-shadow-fix1.c
+++ b/samples/livepatch/livepatch-shadow-fix1.c
@@ -89,6 +89,11 @@ struct dummy *livepatch_fix1_dummy_alloc(void)
* pointer to handle resource release.
*/
leak = kzalloc(sizeof(int), GFP_KERNEL);
+ if (!leak) {
+ kfree(d);
+ return NULL;
+ }
+
klp_shadow_alloc(d, SV_LEAK, sizeof(leak), GFP_KERNEL,
shadow_leak_ctor, leak);

diff --git a/samples/livepatch/livepatch-shadow-mod.c b/samples/livepatch/livepatch-shadow-mod.c
index 4c54b250332d..4aa8a88d3cd6 100644
--- a/samples/livepatch/livepatch-shadow-mod.c
+++ b/samples/livepatch/livepatch-shadow-mod.c
@@ -118,6 +118,10 @@ noinline struct dummy *dummy_alloc(void)

/* Oops, forgot to save leak! */
leak = kzalloc(sizeof(int), GFP_KERNEL);
+ if (!leak) {
+ kfree(d);
+ return NULL;
+ }

pr_info("%s: dummy @ %p, expires @ %lx\n",
__func__, d, d->jiffies_expire);
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 64220e36ce3b..98a7d63a723e 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -78,7 +78,7 @@ parse_symbol() {
fi

# Strip out the base of the path
- code=${code//$basepath/""}
+ code=${code//^$basepath/""}

# In the case of inlines, move everything to same line
code=${code//$'\n'/' '}
diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py
index 086d27223c0c..0aebd7565b03 100644
--- a/scripts/gdb/linux/proc.py
+++ b/scripts/gdb/linux/proc.py
@@ -41,7 +41,7 @@ class LxVersion(gdb.Command):

def invoke(self, arg, from_tty):
# linux_banner should contain a newline
- gdb.write(gdb.parse_and_eval("linux_banner").string())
+ gdb.write(gdb.parse_and_eval("(char *)linux_banner").string())

LxVersion()

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 5a5b3780456f..5a77efd39b3f 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1204,6 +1204,30 @@ static int secref_whitelist(const struct sectioncheck *mismatch,
return 1;
}

+static inline int is_arm_mapping_symbol(const char *str)
+{
+ return str[0] == '$' && strchr("axtd", str[1])
+ && (str[2] == '\0' || str[2] == '.');
+}
+
+/*
+ * If there's no name there, ignore it; likewise, ignore it if it's
+ * one of the magic symbols emitted used by current ARM tools.
+ *
+ * Otherwise if find_symbols_between() returns those symbols, they'll
+ * fail the whitelist tests and cause lots of false alarms ... fixable
+ * only by merging __exit and __init sections into __text, bloating
+ * the kernel (which is especially evil on embedded platforms).
+ */
+static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
+{
+ const char *name = elf->strtab + sym->st_name;
+
+ if (!name || !strlen(name))
+ return 0;
+ return !is_arm_mapping_symbol(name);
+}
+
/**
* Find symbol based on relocation record info.
* In some cases the symbol supplied is a valid symbol so
@@ -1229,6 +1253,8 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
continue;
if (ELF_ST_TYPE(sym->st_info) == STT_SECTION)
continue;
+ if (!is_valid_name(elf, sym))
+ continue;
if (sym->st_value == addr)
return sym;
/* Find a symbol nearby - addr are maybe negative */
@@ -1247,30 +1273,6 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr,
return NULL;
}

-static inline int is_arm_mapping_symbol(const char *str)
-{
- return str[0] == '$' && strchr("axtd", str[1])
- && (str[2] == '\0' || str[2] == '.');
-}
-
-/*
- * If there's no name there, ignore it; likewise, ignore it if it's
- * one of the magic symbols emitted used by current ARM tools.
- *
- * Otherwise if find_symbols_between() returns those symbols, they'll
- * fail the whitelist tests and cause lots of false alarms ... fixable
- * only by merging __exit and __init sections into __text, bloating
- * the kernel (which is especially evil on embedded platforms).
- */
-static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
-{
- const char *name = elf->strtab + sym->st_name;
-
- if (!name || !strlen(name))
- return 0;
- return !is_arm_mapping_symbol(name);
-}
-
/*
* Find symbols before or equal addr and after addr - in the section sec.
* If we find two symbols with equal offset prefer one with a valid name.
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 70d3066e69fe..017c47eb795e 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -4333,6 +4333,12 @@ static int smack_key_permission(key_ref_t key_ref,
int request = 0;
int rc;

+ /*
+ * Validate requested permissions
+ */
+ if (perm & ~KEY_NEED_ALL)
+ return -EINVAL;
+
keyp = key_ref_to_ptr(key_ref);
if (keyp == NULL)
return -EINVAL;
@@ -4356,10 +4362,10 @@ static int smack_key_permission(key_ref_t key_ref,
ad.a.u.key_struct.key = keyp->serial;
ad.a.u.key_struct.key_desc = keyp->description;
#endif
- if (perm & KEY_NEED_READ)
- request = MAY_READ;
+ if (perm & (KEY_NEED_READ | KEY_NEED_SEARCH | KEY_NEED_VIEW))
+ request |= MAY_READ;
if (perm & (KEY_NEED_WRITE | KEY_NEED_LINK | KEY_NEED_SETATTR))
- request = MAY_WRITE;
+ request |= MAY_WRITE;
rc = smk_access(tkp, keyp->security, request, &ad);
rc = smk_bu_note("key access", tkp, keyp->security, request, rc);
return rc;
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index d361bb77ca00..8db1890605f6 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -109,7 +109,8 @@ static int hda_codec_driver_probe(struct device *dev)
err = snd_hda_codec_build_controls(codec);
if (err < 0)
goto error_module;
- if (codec->card->registered) {
+ /* only register after the bus probe finished; otherwise it's racy */
+ if (!codec->bus->bus_probing && codec->card->registered) {
err = snd_card_register(codec->card);
if (err < 0)
goto error_module;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 0d98bb9068b1..acacc1900265 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -68,6 +68,7 @@ struct hda_bus {
unsigned int response_reset:1; /* controller was reset */
unsigned int in_reset:1; /* during reset operation */
unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
+ unsigned int bus_probing :1; /* during probing process */

int primary_dig_out_type; /* primary digital out PCM type */
unsigned int mixer_assigned; /* codec addr for mixer name */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 1ddeebc373b3..1bb7613701ac 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2315,6 +2315,7 @@ static int azx_probe_continue(struct azx *chip)
int dev = chip->dev_index;
int err;

+ to_hda_bus(bus)->bus_probing = 1;
hda->probe_continued = 1;

/* bind with i915 if needed */
@@ -2410,6 +2411,7 @@ static int azx_probe_continue(struct azx *chip)
if (err < 0)
hda->init_failed = 1;
complete_all(&hda->probe_wait);
+ to_hda_bus(bus)->bus_probing = 0;
return err;
}

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index dbb38fe2da7d..9199d91d0a59 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -515,6 +515,15 @@ static void alc_auto_init_amp(struct hda_codec *codec, int type)
}
}

+/* get a primary headphone pin if available */
+static hda_nid_t alc_get_hp_pin(struct alc_spec *spec)
+{
+ if (spec->gen.autocfg.hp_pins[0])
+ return spec->gen.autocfg.hp_pins[0];
+ if (spec->gen.autocfg.line_out_type == AC_JACK_HP_OUT)
+ return spec->gen.autocfg.line_out_pins[0];
+ return 0;
+}

/*
* Realtek SSID verification
@@ -725,9 +734,7 @@ static int alc_subsystem_id(struct hda_codec *codec, const hda_nid_t *ports)
* 15 : 1 --> enable the function "Mute internal speaker
* when the external headphone out jack is plugged"
*/
- if (!spec->gen.autocfg.hp_pins[0] &&
- !(spec->gen.autocfg.line_out_pins[0] &&
- spec->gen.autocfg.line_out_type == AUTO_PIN_HP_OUT)) {
+ if (!alc_get_hp_pin(spec)) {
hda_nid_t nid;
tmp = (ass >> 11) & 0x3; /* HP to chassis */
nid = ports[tmp];
@@ -2959,7 +2966,7 @@ static void alc282_restore_default_value(struct hda_codec *codec)
static void alc282_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;
int coef78;

@@ -2996,7 +3003,7 @@ static void alc282_init(struct hda_codec *codec)
static void alc282_shutup(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;
int coef78;

@@ -3074,14 +3081,9 @@ static void alc283_restore_default_value(struct hda_codec *codec)
static void alc283_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

- if (!spec->gen.autocfg.hp_outs) {
- if (spec->gen.autocfg.line_out_type == AC_JACK_HP_OUT)
- hp_pin = spec->gen.autocfg.line_out_pins[0];
- }
-
alc283_restore_default_value(codec);

if (!hp_pin)
@@ -3115,14 +3117,9 @@ static void alc283_init(struct hda_codec *codec)
static void alc283_shutup(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

- if (!spec->gen.autocfg.hp_outs) {
- if (spec->gen.autocfg.line_out_type == AC_JACK_HP_OUT)
- hp_pin = spec->gen.autocfg.line_out_pins[0];
- }
-
if (!hp_pin) {
alc269_shutup(codec);
return;
@@ -3156,7 +3153,7 @@ static void alc283_shutup(struct hda_codec *codec)
static void alc256_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

if (!hp_pin)
@@ -3192,7 +3189,7 @@ static void alc256_init(struct hda_codec *codec)
static void alc256_shutup(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

if (!hp_pin) {
@@ -3228,7 +3225,7 @@ static void alc256_shutup(struct hda_codec *codec)
static void alc225_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp1_pin_sense, hp2_pin_sense;

if (!hp_pin)
@@ -3271,7 +3268,7 @@ static void alc225_init(struct hda_codec *codec)
static void alc225_shutup(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp1_pin_sense, hp2_pin_sense;

if (!hp_pin) {
@@ -3315,7 +3312,7 @@ static void alc225_shutup(struct hda_codec *codec)
static void alc_default_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

if (!hp_pin)
@@ -3344,7 +3341,7 @@ static void alc_default_init(struct hda_codec *codec)
static void alc_default_shutup(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
bool hp_pin_sense;

if (!hp_pin) {
@@ -3376,7 +3373,7 @@ static void alc_default_shutup(struct hda_codec *codec)
static void alc294_hp_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);
int i, val;

if (!hp_pin)
@@ -4780,7 +4777,7 @@ static void alc_update_headset_mode(struct hda_codec *codec)
struct alc_spec *spec = codec->spec;

hda_nid_t mux_pin = spec->gen.imux_pins[spec->gen.cur_mux[0]];
- hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+ hda_nid_t hp_pin = alc_get_hp_pin(spec);

int new_headset_mode;

@@ -5059,7 +5056,7 @@ static void alc_fixup_tpt470_dock(struct hda_codec *codec,
static void alc_shutup_dell_xps13(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- int hp_pin = spec->gen.autocfg.hp_pins[0];
+ int hp_pin = alc_get_hp_pin(spec);

/* Prevent pop noises when headphones are plugged in */
snd_hda_codec_write(codec, hp_pin, 0,
@@ -5152,7 +5149,7 @@ static void alc271_hp_gate_mic_jack(struct hda_codec *codec,

if (action == HDA_FIXUP_ACT_PROBE) {
int mic_pin = find_ext_mic_pin(codec);
- int hp_pin = spec->gen.autocfg.hp_pins[0];
+ int hp_pin = alc_get_hp_pin(spec);

if (snd_BUG_ON(!mic_pin || !hp_pin))
return;
@@ -5575,6 +5572,7 @@ enum {
ALC294_FIXUP_ASUS_MIC,
ALC294_FIXUP_ASUS_HEADSET_MIC,
ALC294_FIXUP_ASUS_SPK,
+ ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE,
};

static const struct hda_fixup alc269_fixups[] = {
@@ -6499,6 +6497,15 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC294_FIXUP_ASUS_HEADSET_MIC
},
+ [ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x1a, 0x01a1913c }, /* use as headset mic, without its own jack detect */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
+ },
};

static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6677,6 +6684,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb171, "Cubi N 8GL (MS-B171)", ALC283_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x1558, 0x1325, "System76 Darter Pro (darp5)", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC233_FIXUP_LENOVO_MULTI_CODECS),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 6ec19fb4a934..2e75b5bc5f1d 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -221,7 +221,7 @@ config SND_SOC_PHYCORE_AC97

config SND_SOC_EUKREA_TLV320
tristate "Eukrea TLV320"
- depends on ARCH_MXC && I2C
+ depends on ARCH_MXC && !ARM64 && I2C
select SND_SOC_TLV320AIC23_I2C
select SND_SOC_IMX_AUDMUX
select SND_SOC_IMX_SSI
diff --git a/sound/soc/intel/atom/sst/sst_loader.c b/sound/soc/intel/atom/sst/sst_loader.c
index 27413ebae956..b8c456753f01 100644
--- a/sound/soc/intel/atom/sst/sst_loader.c
+++ b/sound/soc/intel/atom/sst/sst_loader.c
@@ -354,14 +354,14 @@ static int sst_request_fw(struct intel_sst_drv *sst)
const struct firmware *fw;

retval = request_firmware(&fw, sst->firmware_name, sst->dev);
- if (fw == NULL) {
- dev_err(sst->dev, "fw is returning as null\n");
- return -EINVAL;
- }
if (retval) {
dev_err(sst->dev, "request fw failed %d\n", retval);
return retval;
}
+ if (fw == NULL) {
+ dev_err(sst->dev, "fw is returning as null\n");
+ return -EINVAL;
+ }
mutex_lock(&sst->sst_lock);
retval = sst_cache_and_parse_fw(sst, fw);
mutex_unlock(&sst->sst_lock);
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 7e93686a430a..d71e01954975 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1448,6 +1448,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
case 0x20b1: /* XMOS based devices */
case 0x152a: /* Thesycon devices */
case 0x25ce: /* Mytek devices */
+ case 0x2ab6: /* T+A devices */
if (fp->dsd_raw)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index f216b2f5c3d7..42a787856cd8 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -79,8 +79,8 @@ FEATURE_TESTS_EXTRA := \
cplus-demangle \
hello \
libbabeltrace \
- liberty \
- liberty-z \
+ libbfd-liberty \
+ libbfd-liberty-z \
libunwind-debug-frame \
libunwind-debug-frame-arm \
libunwind-debug-frame-aarch64 \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 0516259be70f..bf8a8ebcca1e 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -15,8 +15,8 @@ FILES= \
test-libbfd.bin \
test-disassembler-four-args.bin \
test-reallocarray.bin \
- test-liberty.bin \
- test-liberty-z.bin \
+ test-libbfd-liberty.bin \
+ test-libbfd-liberty-z.bin \
test-cplus-demangle.bin \
test-libelf.bin \
test-libelf-getphdrnum.bin \
@@ -200,7 +200,7 @@ $(OUTPUT)test-libpython-version.bin:
$(BUILD)

$(OUTPUT)test-libbfd.bin:
- $(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl
+ $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl

$(OUTPUT)test-disassembler-four-args.bin:
$(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes
@@ -208,10 +208,10 @@ $(OUTPUT)test-disassembler-four-args.bin:
$(OUTPUT)test-reallocarray.bin:
$(BUILD)

-$(OUTPUT)test-liberty.bin:
+$(OUTPUT)test-libbfd-liberty.bin:
$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty

-$(OUTPUT)test-liberty-z.bin:
+$(OUTPUT)test-libbfd-liberty-z.bin:
$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty -lz

$(OUTPUT)test-cplus-demangle.bin:
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index bbb2a8ef367c..d7e06fe0270e 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -1178,6 +1178,7 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
FILE *file;
char cmd[PATH_MAX];
char *mac_addr;
+ int str_len;

/*
* Set the configuration for the specified interface with
@@ -1301,8 +1302,18 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
* invoke the external script to do its magic.
*/

- snprintf(cmd, sizeof(cmd), KVP_SCRIPTS_PATH "%s %s",
- "hv_set_ifconfig", if_file);
+ str_len = snprintf(cmd, sizeof(cmd), KVP_SCRIPTS_PATH "%s %s",
+ "hv_set_ifconfig", if_file);
+ /*
+ * This is a little overcautious, but it's necessary to suppress some
+ * false warnings from gcc 8.0.1.
+ */
+ if (str_len <= 0 || (unsigned int)str_len >= sizeof(cmd)) {
+ syslog(LOG_ERR, "Cmd '%s' (len=%d) may be too long",
+ cmd, str_len);
+ return HV_E_FAIL;
+ }
+
if (system(cmd)) {
syslog(LOG_ERR, "Failed to execute cmd '%s'; error: %d %s",
cmd, errno, strerror(errno));
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 60aa4ca8b2c5..7a0014794bff 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -77,6 +77,7 @@ int bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr)
{
__u32 name_len = create_attr->name ? strlen(create_attr->name) : 0;
union bpf_attr attr;
+ int ret;

memset(&attr, '\0', sizeof(attr));

@@ -94,7 +95,15 @@ int bpf_create_map_xattr(const struct bpf_create_map_attr *create_attr)
attr.map_ifindex = create_attr->map_ifindex;
attr.inner_map_fd = create_attr->inner_map_fd;

- return sys_bpf(BPF_MAP_CREATE, &attr, sizeof(attr));
+ ret = sys_bpf(BPF_MAP_CREATE, &attr, sizeof(attr));
+ if (ret < 0 && errno == EINVAL && create_attr->name) {
+ /* Retry the same syscall, but without the name.
+ * Pre v4.14 kernels don't support map names.
+ */
+ memset(attr.map_name, 0, sizeof(attr.map_name));
+ return sys_bpf(BPF_MAP_CREATE, &attr, sizeof(attr));
+ }
+ return ret;
}

int bpf_create_map_node(enum bpf_map_type map_type, const char *name,
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index f00ea77f5f08..849b3be15bd8 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -688,18 +688,20 @@ endif

ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd
+else
+ # we are on a system that requires -liberty and (maybe) -lz
+ # to link against -lbfd; test each case individually here

# call all detections now so we get correct
# status in VF output
- $(call feature_check,liberty)
- $(call feature_check,liberty-z)
- $(call feature_check,cplus-demangle)
+ $(call feature_check,libbfd-liberty)
+ $(call feature_check,libbfd-liberty-z)

- ifeq ($(feature-liberty), 1)
- EXTLIBS += -liberty
+ ifeq ($(feature-libbfd-liberty), 1)
+ EXTLIBS += -lbfd -liberty
else
- ifeq ($(feature-liberty-z), 1)
- EXTLIBS += -liberty -lz
+ ifeq ($(feature-libbfd-liberty-z), 1)
+ EXTLIBS += -lbfd -liberty -lz
endif
endif
endif
@@ -709,24 +711,24 @@ ifdef NO_DEMANGLE
else
ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
- ifneq ($(feature-libbfd), 1)
- ifneq ($(feature-liberty), 1)
- ifneq ($(feature-liberty-z), 1)
- # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
- # or any of 'bfd iberty z' trinity
- ifeq ($(feature-cplus-demangle), 1)
- EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
- else
- msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
- CFLAGS += -DNO_DEMANGLE
- endif
- endif
+ ifeq ($(filter -liberty,$(EXTLIBS)),)
+ $(call feature_check,cplus-demangle)
+
+ # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
+ # or any of 'bfd iberty z' trinity
+ ifeq ($(feature-cplus-demangle), 1)
+ EXTLIBS += -liberty
+ else
+ msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
+ CFLAGS += -DNO_DEMANGLE
endif
endif
endif
+
+ ifneq ($(filter -liberty,$(EXTLIBS)),)
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ endif
endif

ifneq ($(filter -lbfd,$(EXTLIBS)),)
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
index b32409a0e546..081353d7b095 100644
--- a/tools/perf/arch/x86/util/kvm-stat.c
+++ b/tools/perf/arch/x86/util/kvm-stat.c
@@ -156,7 +156,7 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
if (strstr(cpuid, "Intel")) {
kvm->exit_reasons = vmx_exit_reasons;
kvm->exit_reasons_isa = "VMX";
- } else if (strstr(cpuid, "AMD")) {
+ } else if (strstr(cpuid, "AMD") || strstr(cpuid, "Hygon")) {
kvm->exit_reasons = svm_exit_reasons;
kvm->exit_reasons_isa = "SVM";
} else
diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/attr.py
index ff9b60b99f52..44090a9a19f3 100644
--- a/tools/perf/tests/attr.py
+++ b/tools/perf/tests/attr.py
@@ -116,7 +116,7 @@ class Event(dict):
if not self.has_key(t) or not other.has_key(t):
continue
if not data_equal(self[t], other[t]):
- log.warning("expected %s=%s, got %s" % (t, self[t], other[t]))
+ log.warning("expected %s=%s, got %s" % (t, self[t], other[t]))

# Test file description needs to have following sections:
# [config]
diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c
index 699561fa512c..67bcbf876776 100644
--- a/tools/perf/tests/evsel-tp-sched.c
+++ b/tools/perf/tests/evsel-tp-sched.c
@@ -17,7 +17,7 @@ static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name,
return -1;
}

- is_signed = !!(field->flags | FIELD_IS_SIGNED);
+ is_signed = !!(field->flags & FIELD_IS_SIGNED);
if (should_be_signed && !is_signed) {
pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
evsel->name, name, is_signed, should_be_signed);
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index bbed90e5d9bb..cee717a3794f 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -295,7 +295,7 @@ static int decompress_kmodule(struct dso *dso, const char *name,
unlink(tmpbuf);

if (pathname && (fd >= 0))
- strncpy(pathname, tmpbuf, len);
+ strlcpy(pathname, tmpbuf, len);

return fd;
}
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 3cadc252dd89..bd9226bc5945 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2636,6 +2636,7 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
struct perf_header *header = &session->header;
int fd = perf_data__fd(session->data);
struct stat st;
+ time_t stctime;
int ret, bit;

hd.fp = fp;
@@ -2645,7 +2646,8 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full)
if (ret == -1)
return -1;

- fprintf(fp, "# captured on : %s", ctime(&st.st_ctime));
+ stctime = st.st_ctime;
+ fprintf(fp, "# captured on : %s", ctime(&stctime));

fprintf(fp, "# header version : %u\n", header->version);
fprintf(fp, "# data offset : %" PRIu64 "\n", header->data_offset);
@@ -3521,7 +3523,7 @@ perf_event__synthesize_event_update_unit(struct perf_tool *tool,
if (ev == NULL)
return -ENOMEM;

- strncpy(ev->data, evsel->unit, size);
+ strlcpy(ev->data, evsel->unit, size + 1);
err = process(tool, (union perf_event *)ev, NULL, NULL);
free(ev);
return err;
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index b76088fadf3d..6a6548890d5a 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -424,7 +424,7 @@ static int probe_cache__open(struct probe_cache *pcache, const char *target,

if (target && build_id_cache__cached(target)) {
/* This is a cached buildid */
- strncpy(sbuildid, target, SBUILD_ID_SIZE);
+ strlcpy(sbuildid, target, SBUILD_ID_SIZE);
dir_name = build_id_cache__linkname(sbuildid, NULL, 0);
goto found;
}
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index ce501ba14b08..69f5f6142dcf 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -939,7 +939,8 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,

file = PyFile_FromFile(fp, "perf", "r", NULL);
#else
- file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1, NULL, NULL, NULL, 1);
+ file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1,
+ NULL, NULL, NULL, 0);
#endif
if (file == NULL)
goto free_list;
diff --git a/tools/perf/util/s390-cpumsf.c b/tools/perf/util/s390-cpumsf.c
index d2c78ffd9fee..aa7f8c11fbb7 100644
--- a/tools/perf/util/s390-cpumsf.c
+++ b/tools/perf/util/s390-cpumsf.c
@@ -499,7 +499,7 @@ static int s390_cpumsf_samples(struct s390_cpumsf_queue *sfq, u64 *ts)
aux_ts = get_trailer_time(buf);
if (!aux_ts) {
pr_err("[%#08" PRIx64 "] Invalid AUX trailer entry TOD clock base\n",
- sfq->buffer->data_offset);
+ (s64)sfq->buffer->data_offset);
aux_ts = ~0ULL;
goto out;
}
diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index 84e2b648e622..2fa3c5757bcb 100755
--- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -585,9 +585,9 @@ current_max_cpu = 0

read_trace_data(filename)

-clear_trace_file()
-# Free the memory
if interval:
+ clear_trace_file()
+ # Free the memory
free_trace_buffer()

if graph_data_present == False:
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 0ef68204c84b..d029cad08cbd 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -51,10 +51,10 @@ static struct {
struct iphdr iph;
struct tcphdr tcp;
} __packed pkt_v4 = {
- .eth.h_proto = bpf_htons(ETH_P_IP),
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IP),
.iph.ihl = 5,
.iph.protocol = 6,
- .iph.tot_len = bpf_htons(MAGIC_BYTES),
+ .iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.urg_ptr = 123,
};

@@ -64,9 +64,9 @@ static struct {
struct ipv6hdr iph;
struct tcphdr tcp;
} __packed pkt_v6 = {
- .eth.h_proto = bpf_htons(ETH_P_IPV6),
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
.iph.nexthdr = 6,
- .iph.payload_len = bpf_htons(MAGIC_BYTES),
+ .iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.urg_ptr = 123,
};

diff --git a/virt/kvm/arm/mmio.c b/virt/kvm/arm/mmio.c
index dac7ceb1a677..08443a15e6be 100644
--- a/virt/kvm/arm/mmio.c
+++ b/virt/kvm/arm/mmio.c
@@ -117,6 +117,12 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run)
vcpu_set_reg(vcpu, vcpu->arch.mmio_decode.rt, data);
}

+ /*
+ * The MMIO instruction is emulated and should not be re-executed
+ * in the guest.
+ */
+ kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+
return 0;
}

@@ -144,11 +150,6 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len)
vcpu->arch.mmio_decode.sign_extend = sign_extend;
vcpu->arch.mmio_decode.rt = rt;

- /*
- * The MMIO instruction is emulated and should not be re-executed
- * in the guest.
- */
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
return 0;
}

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f986e31fa68c..0ffb02ff5234 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1959,7 +1959,8 @@ int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
EXPORT_SYMBOL_GPL(kvm_gfn_to_hva_cache_init);

int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
- void *data, int offset, unsigned long len)
+ void *data, unsigned int offset,
+ unsigned long len)
{
struct kvm_memslots *slots = kvm_memslots(kvm);
int r;
@@ -2912,8 +2913,10 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
if (ops->init)
ops->init(dev);

+ kvm_get_kvm(kvm);
ret = anon_inode_getfd(ops->name, &kvm_device_fops, dev, O_RDWR | O_CLOEXEC);
if (ret < 0) {
+ kvm_put_kvm(kvm);
mutex_lock(&kvm->lock);
list_del(&dev->vm_node);
mutex_unlock(&kvm->lock);
@@ -2921,7 +2924,6 @@ static int kvm_ioctl_create_device(struct kvm *kvm,
return ret;
}

- kvm_get_kvm(kvm);
cd->fd = ret;
return 0;
}
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