lkml.org 
[lkml]   [2019]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: Linux 4.14.108
diff --git a/Makefile b/Makefile
index e3e2121718a8..170411b62525 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 107
+SUBLEVEL = 108
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 9d06c9478a0d..82050893d0b3 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -417,6 +417,14 @@ config ARC_HAS_ACCL_REGS
(also referred to as r58:r59). These can also be used by gcc as GPR so
kernel needs to save/restore per process

+config ARC_IRQ_NO_AUTOSAVE
+ bool "Disable hardware autosave regfile on interrupts"
+ default n
+ help
+ On HS cores, taken interrupt auto saves the regfile on stack.
+ This is programmable and can be optionally disabled in which case
+ software INTERRUPT_PROLOGUE/EPILGUE do the needed work
+
endif # ISA_ARCV2

endmenu # "ARC CPU Configuration"
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index 257a68f3c2fe..9f581553dcc3 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -17,6 +17,33 @@
;
; Now manually save: r12, sp, fp, gp, r25

+#ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
+.ifnc \called_from, exception
+ st.as r9, [sp, -10] ; save r9 in it's final stack slot
+ sub sp, sp, 12 ; skip JLI, LDI, EI
+
+ PUSH lp_count
+ PUSHAX lp_start
+ PUSHAX lp_end
+ PUSH blink
+
+ PUSH r11
+ PUSH r10
+
+ sub sp, sp, 4 ; skip r9
+
+ PUSH r8
+ PUSH r7
+ PUSH r6
+ PUSH r5
+ PUSH r4
+ PUSH r3
+ PUSH r2
+ PUSH r1
+ PUSH r0
+.endif
+#endif
+
#ifdef CONFIG_ARC_HAS_ACCL_REGS
PUSH r59
PUSH r58
@@ -86,6 +113,33 @@
POP r59
#endif

+#ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
+.ifnc \called_from, exception
+ POP r0
+ POP r1
+ POP r2
+ POP r3
+ POP r4
+ POP r5
+ POP r6
+ POP r7
+ POP r8
+ POP r9
+ POP r10
+ POP r11
+
+ POP blink
+ POPAX lp_end
+ POPAX lp_start
+
+ POP r9
+ mov lp_count, r9
+
+ add sp, sp, 12 ; skip JLI, LDI, EI
+ ld.as r9, [sp, -10] ; reload r9 which got clobbered
+.endif
+#endif
+
.endm

/*------------------------------------------------------------------------*/
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index c9173c02081c..eabc3efa6c6d 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -207,7 +207,7 @@ raw_copy_from_user(void *to, const void __user *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");

return n;
}
@@ -433,7 +433,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
*/
"=&r" (tmp), "+r" (to), "+r" (from)
:
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");

return n;
}
@@ -653,7 +653,7 @@ static inline unsigned long __arc_clear_user(void __user *to, unsigned long n)
" .previous \n"
: "+r"(d_char), "+r"(res)
: "i"(0)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");

return res;
}
@@ -686,7 +686,7 @@ __arc_strncpy_from_user(char *dst, const char __user *src, long count)
" .previous \n"
: "+r"(res), "+r"(dst), "+r"(src), "=r"(val)
: "g"(-EFAULT), "r"(count)
- : "lp_count", "lp_start", "lp_end", "memory");
+ : "lp_count", "memory");

return res;
}
diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S
index cc558a25b8fa..562089d62d9d 100644
--- a/arch/arc/kernel/entry-arcv2.S
+++ b/arch/arc/kernel/entry-arcv2.S
@@ -209,7 +209,9 @@ restore_regs:
;####### Return from Intr #######

debug_marker_l1:
- bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot
+ ; bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot
+ btst r0, STATUS_DE_BIT ; Z flag set if bit clear
+ bnz .Lintr_ret_to_delay_slot ; branch if STATUS_DE_BIT set

.Lisr_ret_fast_path:
; Handle special case #1: (Entry via Exception, Return via IRQ)
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 067ea362fb3e..cf18b3e5a934 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -49,11 +49,13 @@ void arc_init_IRQ(void)

*(unsigned int *)&ictrl = 0;

+#ifndef CONFIG_ARC_IRQ_NO_AUTOSAVE
ictrl.save_nr_gpr_pairs = 6; /* r0 to r11 (r12 saved manually) */
ictrl.save_blink = 1;
ictrl.save_lp_regs = 1; /* LP_COUNT, LP_START, LP_END */
ictrl.save_u_to_u = 0; /* user ctxt saved on kernel stack */
ictrl.save_idx_regs = 1; /* JLI, LDI, EI */
+#endif

WRITE_AUX(AUX_IRQ_CTRL, ictrl);

diff --git a/arch/arc/lib/memcpy-archs.S b/arch/arc/lib/memcpy-archs.S
index d61044dd8b58..ea14b0bf3116 100644
--- a/arch/arc/lib/memcpy-archs.S
+++ b/arch/arc/lib/memcpy-archs.S
@@ -25,15 +25,11 @@
#endif

#ifdef CONFIG_ARC_HAS_LL64
-# define PREFETCH_READ(RX) prefetch [RX, 56]
-# define PREFETCH_WRITE(RX) prefetchw [RX, 64]
# define LOADX(DST,RX) ldd.ab DST, [RX, 8]
# define STOREX(SRC,RX) std.ab SRC, [RX, 8]
# define ZOLSHFT 5
# define ZOLAND 0x1F
#else
-# define PREFETCH_READ(RX) prefetch [RX, 28]
-# define PREFETCH_WRITE(RX) prefetchw [RX, 32]
# define LOADX(DST,RX) ld.ab DST, [RX, 4]
# define STOREX(SRC,RX) st.ab SRC, [RX, 4]
# define ZOLSHFT 4
@@ -41,8 +37,6 @@
#endif

ENTRY_CFI(memcpy)
- prefetch [r1] ; Prefetch the read location
- prefetchw [r0] ; Prefetch the write location
mov.f 0, r2
;;; if size is zero
jz.d [blink]
@@ -72,8 +66,6 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy32_64bytes
;; LOOP START
LOADX (r6, r1)
- PREFETCH_READ (r1)
- PREFETCH_WRITE (r3)
LOADX (r8, r1)
LOADX (r10, r1)
LOADX (r4, r1)
@@ -117,9 +109,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_1
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location

SHIFT_1 (r7, r6, 24)
or r7, r7, r5
@@ -162,9 +152,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_2
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location

SHIFT_1 (r7, r6, 16)
or r7, r7, r5
@@ -204,9 +192,7 @@ ENTRY_CFI(memcpy)
lpnz @.Lcopy8bytes_3
;; LOOP START
ld.ab r6, [r1, 4]
- prefetch [r1, 28] ;Prefetch the next read location
ld.ab r8, [r1,4]
- prefetchw [r3, 32] ;Prefetch the next write location

SHIFT_1 (r7, r6, 8)
or r7, r7, r5
diff --git a/arch/arc/plat-hsdk/Kconfig b/arch/arc/plat-hsdk/Kconfig
index fcc9a9e27e9c..8fb1600b29b7 100644
--- a/arch/arc/plat-hsdk/Kconfig
+++ b/arch/arc/plat-hsdk/Kconfig
@@ -9,5 +9,6 @@ menuconfig ARC_SOC_HSDK
bool "ARC HS Development Kit SOC"
depends on ISA_ARCV2
select ARC_HAS_ACCL_REGS
+ select ARC_IRQ_NO_AUTOSAVE
select CLK_HSDK
select RESET_HSDK
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d1346a160760..cf69aab648fb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1447,6 +1447,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
depends on SMP
+ select GENERIC_IRQ_MIGRATION
help
Say Y here to experiment with turning CPUs off and on. CPUs
can be controlled through /sys/devices/system/cpu.
diff --git a/arch/arm/crypto/crct10dif-ce-core.S b/arch/arm/crypto/crct10dif-ce-core.S
index ce45ba0c0687..16019b5961e7 100644
--- a/arch/arm/crypto/crct10dif-ce-core.S
+++ b/arch/arm/crypto/crct10dif-ce-core.S
@@ -124,10 +124,10 @@ ENTRY(crc_t10dif_pmull)
vext.8 q10, qzr, q0, #4

// receive the initial 64B data, xor the initial crc value
- vld1.64 {q0-q1}, [arg2, :128]!
- vld1.64 {q2-q3}, [arg2, :128]!
- vld1.64 {q4-q5}, [arg2, :128]!
- vld1.64 {q6-q7}, [arg2, :128]!
+ vld1.64 {q0-q1}, [arg2]!
+ vld1.64 {q2-q3}, [arg2]!
+ vld1.64 {q4-q5}, [arg2]!
+ vld1.64 {q6-q7}, [arg2]!
CPU_LE( vrev64.8 q0, q0 )
CPU_LE( vrev64.8 q1, q1 )
CPU_LE( vrev64.8 q2, q2 )
@@ -167,7 +167,7 @@ CPU_LE( vrev64.8 q7, q7 )
_fold_64_B_loop:

.macro fold64, reg1, reg2
- vld1.64 {q11-q12}, [arg2, :128]!
+ vld1.64 {q11-q12}, [arg2]!

vmull.p64 q8, \reg1\()h, d21
vmull.p64 \reg1, \reg1\()l, d20
@@ -238,7 +238,7 @@ _16B_reduction_loop:
vmull.p64 q7, d15, d21
veor.8 q7, q7, q8

- vld1.64 {q0}, [arg2, :128]!
+ vld1.64 {q0}, [arg2]!
CPU_LE( vrev64.8 q0, q0 )
vswp d0, d1
veor.8 q7, q7, q0
@@ -335,7 +335,7 @@ _less_than_128:
vmov.i8 q0, #0
vmov s3, arg1_low32 // get the initial crc value

- vld1.64 {q7}, [arg2, :128]!
+ vld1.64 {q7}, [arg2]!
CPU_LE( vrev64.8 q7, q7 )
vswp d14, d15
veor.8 q7, q7, q0
diff --git a/arch/arm/crypto/crct10dif-ce-glue.c b/arch/arm/crypto/crct10dif-ce-glue.c
index d428355cf38d..14c19c70a841 100644
--- a/arch/arm/crypto/crct10dif-ce-glue.c
+++ b/arch/arm/crypto/crct10dif-ce-glue.c
@@ -35,26 +35,15 @@ static int crct10dif_update(struct shash_desc *desc, const u8 *data,
unsigned int length)
{
u16 *crc = shash_desc_ctx(desc);
- unsigned int l;

- if (!may_use_simd()) {
- *crc = crc_t10dif_generic(*crc, data, length);
+ if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && may_use_simd()) {
+ kernel_neon_begin();
+ *crc = crc_t10dif_pmull(*crc, data, length);
+ kernel_neon_end();
} else {
- if (unlikely((u32)data % CRC_T10DIF_PMULL_CHUNK_SIZE)) {
- l = min_t(u32, length, CRC_T10DIF_PMULL_CHUNK_SIZE -
- ((u32)data % CRC_T10DIF_PMULL_CHUNK_SIZE));
-
- *crc = crc_t10dif_generic(*crc, data, l);
-
- length -= l;
- data += l;
- }
- if (length > 0) {
- kernel_neon_begin();
- *crc = crc_t10dif_pmull(*crc, data, length);
- kernel_neon_end();
- }
+ *crc = crc_t10dif_generic(*crc, data, length);
}
+
return 0;
}

diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index b6f319606e30..2de321e89b94 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -25,7 +25,6 @@
#ifndef __ASSEMBLY__
struct irqaction;
struct pt_regs;
-extern void migrate_irqs(void);

extern void asm_do_IRQ(unsigned int, struct pt_regs *);
void handle_IRQ(unsigned int, struct pt_regs *);
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index ece04a457486..5b07c7a31c31 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -31,7 +31,6 @@
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/seq_file.h>
-#include <linux/ratelimit.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/kallsyms.h>
@@ -119,64 +118,3 @@ int __init arch_probe_nr_irqs(void)
return nr_irqs;
}
#endif
-
-#ifdef CONFIG_HOTPLUG_CPU
-static bool migrate_one_irq(struct irq_desc *desc)
-{
- struct irq_data *d = irq_desc_get_irq_data(desc);
- const struct cpumask *affinity = irq_data_get_affinity_mask(d);
- struct irq_chip *c;
- bool ret = false;
-
- /*
- * If this is a per-CPU interrupt, or the affinity does not
- * include this CPU, then we have nothing to do.
- */
- if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity))
- return false;
-
- if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) {
- affinity = cpu_online_mask;
- ret = true;
- }
-
- c = irq_data_get_irq_chip(d);
- if (!c->irq_set_affinity)
- pr_debug("IRQ%u: unable to set affinity\n", d->irq);
- else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret)
- cpumask_copy(irq_data_get_affinity_mask(d), affinity);
-
- return ret;
-}
-
-/*
- * The current CPU has been marked offline. Migrate IRQs off this CPU.
- * If the affinity settings do not allow other CPUs, force them onto any
- * available CPU.
- *
- * Note: we must iterate over all IRQs, whether they have an attached
- * action structure or not, as we need to get chained interrupts too.
- */
-void migrate_irqs(void)
-{
- unsigned int i;
- struct irq_desc *desc;
- unsigned long flags;
-
- local_irq_save(flags);
-
- for_each_irq_desc(i, desc) {
- bool affinity_broken;
-
- raw_spin_lock(&desc->lock);
- affinity_broken = migrate_one_irq(desc);
- raw_spin_unlock(&desc->lock);
-
- if (affinity_broken)
- pr_warn_ratelimited("IRQ%u no longer affine to CPU%u\n",
- i, smp_processor_id());
- }
-
- local_irq_restore(flags);
-}
-#endif /* CONFIG_HOTPLUG_CPU */
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index f57333f46242..65f85737c6a2 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -254,7 +254,7 @@ int __cpu_disable(void)
/*
* OK - migrate IRQs away from this CPU
*/
- migrate_irqs();
+ irq_migrate_all_off_this_cpu();

/*
* Flush user cache and TLB mappings, and then remove this CPU
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index a8b291f00109..dae514c8276a 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -152,6 +152,10 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
mpuss_can_lose_context = (cx->mpu_state == PWRDM_POWER_RET) &&
(cx->mpu_logic_state == PWRDM_POWER_OFF);

+ /* Enter broadcast mode for periodic timers */
+ tick_broadcast_enable();
+
+ /* Enter broadcast mode for one-shot timers */
tick_broadcast_enter();

/*
@@ -218,15 +222,6 @@ static int omap_enter_idle_coupled(struct cpuidle_device *dev,
return index;
}

-/*
- * For each cpu, setup the broadcast timer because local timers
- * stops for the states above C1.
- */
-static void omap_setup_broadcast_timer(void *arg)
-{
- tick_broadcast_enable();
-}
-
static struct cpuidle_driver omap4_idle_driver = {
.name = "omap4_idle",
.owner = THIS_MODULE,
@@ -319,8 +314,5 @@ int __init omap4_idle_init(void)
if (!cpu_clkdm[0] || !cpu_clkdm[1])
return -ENODEV;

- /* Configure the broadcast timer on each cpu */
- on_each_cpu(omap_setup_broadcast_timer, NULL, 1);
-
return cpuidle_register(idle_driver, cpu_online_mask);
}
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index b3f6eb5d04a2..6e7440ef503a 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -84,6 +84,7 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
u32 enable_mask, enable_shift;
u32 pipd_mask, pipd_shift;
u32 reg;
+ int ret;

if (dsi_id == 0) {
enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
@@ -99,7 +100,11 @@ static int omap4_dsi_mux_pads(int dsi_id, unsigned lanes)
return -ENODEV;
}

- regmap_read(omap4_dsi_mux_syscon, OMAP4_DSIPHY_SYSCON_OFFSET, &reg);
+ ret = regmap_read(omap4_dsi_mux_syscon,
+ OMAP4_DSIPHY_SYSCON_OFFSET,
+ &reg);
+ if (ret)
+ return ret;

reg &= ~enable_mask;
reg &= ~pipd_mask;
diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
index 6cac7da15e2b..2e8ad83beda8 100644
--- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
+++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
@@ -70,16 +70,16 @@ static int osiris_dvs_notify(struct notifier_block *nb,

switch (val) {
case CPUFREQ_PRECHANGE:
- if (old_dvs & !new_dvs ||
- cur_dvs & !new_dvs) {
+ if ((old_dvs && !new_dvs) ||
+ (cur_dvs && !new_dvs)) {
pr_debug("%s: exiting dvs\n", __func__);
cur_dvs = false;
gpio_set_value(OSIRIS_GPIO_DVS, 1);
}
break;
case CPUFREQ_POSTCHANGE:
- if (!old_dvs & new_dvs ||
- !cur_dvs & new_dvs) {
+ if ((!old_dvs && new_dvs) ||
+ (!cur_dvs && new_dvs)) {
pr_debug("entering dvs\n");
cur_dvs = true;
gpio_set_value(OSIRIS_GPIO_DVS, 0);
diff --git a/arch/arm64/crypto/aes-ce-ccm-core.S b/arch/arm64/crypto/aes-ce-ccm-core.S
index e3a375c4cb83..1b151442dac1 100644
--- a/arch/arm64/crypto/aes-ce-ccm-core.S
+++ b/arch/arm64/crypto/aes-ce-ccm-core.S
@@ -74,12 +74,13 @@ ENTRY(ce_aes_ccm_auth_data)
beq 10f
ext v0.16b, v0.16b, v0.16b, #1 /* rotate out the mac bytes */
b 7b
-8: mov w7, w8
+8: cbz w8, 91f
+ mov w7, w8
add w8, w8, #16
9: ext v1.16b, v1.16b, v1.16b, #1
adds w7, w7, #1
bne 9b
- eor v0.16b, v0.16b, v1.16b
+91: eor v0.16b, v0.16b, v1.16b
st1 {v0.16b}, [x0]
10: str w8, [x3]
ret
diff --git a/arch/arm64/crypto/aes-ce-ccm-glue.c b/arch/arm64/crypto/aes-ce-ccm-glue.c
index a1254036f2b1..ae0d26705851 100644
--- a/arch/arm64/crypto/aes-ce-ccm-glue.c
+++ b/arch/arm64/crypto/aes-ce-ccm-glue.c
@@ -123,7 +123,7 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
abytes -= added;
}

- while (abytes > AES_BLOCK_SIZE) {
+ while (abytes >= AES_BLOCK_SIZE) {
__aes_arm64_encrypt(key->key_enc, mac, mac,
num_rounds(key));
crypto_xor(mac, in, AES_BLOCK_SIZE);
@@ -137,8 +137,6 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
num_rounds(key));
crypto_xor(mac, in, abytes);
*macp = abytes;
- } else {
- *macp = 0;
}
}
}
diff --git a/arch/arm64/crypto/aes-neonbs-core.S b/arch/arm64/crypto/aes-neonbs-core.S
index ca0472500433..3b18e3e79531 100644
--- a/arch/arm64/crypto/aes-neonbs-core.S
+++ b/arch/arm64/crypto/aes-neonbs-core.S
@@ -940,7 +940,7 @@ CPU_LE( rev x8, x8 )
8: next_ctr v0
cbnz x4, 99b

-0: st1 {v0.16b}, [x5]
+ st1 {v0.16b}, [x5]
ldp x29, x30, [sp], #16
ret

@@ -948,6 +948,9 @@ CPU_LE( rev x8, x8 )
* If we are handling the tail of the input (x6 != NULL), return the
* final keystream block back to the caller.
*/
+0: cbz x6, 8b
+ st1 {v0.16b}, [x6]
+ b 8b
1: cbz x6, 8b
st1 {v1.16b}, [x6]
b 8b
diff --git a/arch/arm64/crypto/crct10dif-ce-glue.c b/arch/arm64/crypto/crct10dif-ce-glue.c
index 96f0cae4a022..617bcfc1b080 100644
--- a/arch/arm64/crypto/crct10dif-ce-glue.c
+++ b/arch/arm64/crypto/crct10dif-ce-glue.c
@@ -36,26 +36,13 @@ static int crct10dif_update(struct shash_desc *desc, const u8 *data,
unsigned int length)
{
u16 *crc = shash_desc_ctx(desc);
- unsigned int l;

- if (unlikely((u64)data % CRC_T10DIF_PMULL_CHUNK_SIZE)) {
- l = min_t(u32, length, CRC_T10DIF_PMULL_CHUNK_SIZE -
- ((u64)data % CRC_T10DIF_PMULL_CHUNK_SIZE));
-
- *crc = crc_t10dif_generic(*crc, data, l);
-
- length -= l;
- data += l;
- }
-
- if (length > 0) {
- if (may_use_simd()) {
- kernel_neon_begin();
- *crc = crc_t10dif_pmull(*crc, data, length);
- kernel_neon_end();
- } else {
- *crc = crc_t10dif_generic(*crc, data, length);
- }
+ if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && may_use_simd()) {
+ kernel_neon_begin();
+ *crc = crc_t10dif_pmull(*crc, data, length);
+ kernel_neon_end();
+ } else {
+ *crc = crc_t10dif_generic(*crc, data, length);
}

return 0;
diff --git a/arch/arm64/include/asm/hardirq.h b/arch/arm64/include/asm/hardirq.h
index 1473fc2f7ab7..89691c86640a 100644
--- a/arch/arm64/include/asm/hardirq.h
+++ b/arch/arm64/include/asm/hardirq.h
@@ -17,8 +17,12 @@
#define __ASM_HARDIRQ_H

#include <linux/cache.h>
+#include <linux/percpu.h>
#include <linux/threads.h>
+#include <asm/barrier.h>
#include <asm/irq.h>
+#include <asm/kvm_arm.h>
+#include <asm/sysreg.h>

#define NR_IPI 7

@@ -37,6 +41,33 @@ u64 smp_irq_stat_cpu(unsigned int cpu);

#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1

+struct nmi_ctx {
+ u64 hcr;
+};
+
+DECLARE_PER_CPU(struct nmi_ctx, nmi_contexts);
+
+#define arch_nmi_enter() \
+ do { \
+ if (is_kernel_in_hyp_mode()) { \
+ struct nmi_ctx *nmi_ctx = this_cpu_ptr(&nmi_contexts); \
+ nmi_ctx->hcr = read_sysreg(hcr_el2); \
+ if (!(nmi_ctx->hcr & HCR_TGE)) { \
+ write_sysreg(nmi_ctx->hcr | HCR_TGE, hcr_el2); \
+ isb(); \
+ } \
+ } \
+ } while (0)
+
+#define arch_nmi_exit() \
+ do { \
+ if (is_kernel_in_hyp_mode()) { \
+ struct nmi_ctx *nmi_ctx = this_cpu_ptr(&nmi_contexts); \
+ if (!(nmi_ctx->hcr & HCR_TGE)) \
+ write_sysreg(nmi_ctx->hcr, hcr_el2); \
+ } \
+ } while (0)
+
static inline void ack_bad_irq(unsigned int irq)
{
extern unsigned long irq_err_count;
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index ec393275ba04..1371542de0d3 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -442,8 +442,7 @@ set_hcr:
/* GICv3 system register access */
mrs x0, id_aa64pfr0_el1
ubfx x0, x0, #24, #4
- cmp x0, #1
- b.ne 3f
+ cbz x0, 3f

mrs_s x0, SYS_ICC_SRE_EL2
orr x0, x0, #ICC_SRE_EL2_SRE // Set ICC_SRE_EL2.SRE==1
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 713561e5bcab..b91abb8f7cd4 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -32,6 +32,9 @@

unsigned long irq_err_count;

+/* Only access this in an NMI enter/exit */
+DEFINE_PER_CPU(struct nmi_ctx, nmi_contexts);
+
DEFINE_PER_CPU(unsigned long *, irq_stack_ptr);

int arch_show_interrupts(struct seq_file *p, int prec)
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index 2122cd187f19..470afb3a04ca 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -233,27 +233,33 @@ int kgdb_arch_handle_exception(int exception_vector, int signo,

static int kgdb_brk_fn(struct pt_regs *regs, unsigned int esr)
{
+ if (user_mode(regs))
+ return DBG_HOOK_ERROR;
+
kgdb_handle_exception(1, SIGTRAP, 0, regs);
- return 0;
+ return DBG_HOOK_HANDLED;
}
NOKPROBE_SYMBOL(kgdb_brk_fn)

static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int esr)
{
+ if (user_mode(regs))
+ return DBG_HOOK_ERROR;
+
compiled_break = 1;
kgdb_handle_exception(1, SIGTRAP, 0, regs);

- return 0;
+ return DBG_HOOK_HANDLED;
}
NOKPROBE_SYMBOL(kgdb_compiled_brk_fn);

static int kgdb_step_brk_fn(struct pt_regs *regs, unsigned int esr)
{
- if (!kgdb_single_step)
+ if (user_mode(regs) || !kgdb_single_step)
return DBG_HOOK_ERROR;

kgdb_handle_exception(1, SIGTRAP, 0, regs);
- return 0;
+ return DBG_HOOK_HANDLED;
}
NOKPROBE_SYMBOL(kgdb_step_brk_fn);

diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c
index 7d8c33279e9f..6a6d661f38fb 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -458,6 +458,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr)
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
int retval;

+ if (user_mode(regs))
+ return DBG_HOOK_ERROR;
+
/* return error if this is not our step */
retval = kprobe_ss_hit(kcb, instruction_pointer(regs));

@@ -474,6 +477,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr)
int __kprobes
kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr)
{
+ if (user_mode(regs))
+ return DBG_HOOK_ERROR;
+
kprobe_handler(regs);
return DBG_HOOK_HANDLED;
}
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index a74311beda35..c1c5a57249d2 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -95,16 +95,33 @@ int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext)
* This function finds the right table above and sets the registers on
* the virtual CPU struct to their architecturally defined reset
* values.
+ *
+ * Note: This function can be called from two paths: The KVM_ARM_VCPU_INIT
+ * ioctl or as part of handling a request issued by another VCPU in the PSCI
+ * handling code. In the first case, the VCPU will not be loaded, and in the
+ * second case the VCPU will be loaded. Because this function operates purely
+ * on the memory-backed valus of system registers, we want to do a full put if
+ * we were loaded (handling a request) and load the values back at the end of
+ * the function. Otherwise we leave the state alone. In both cases, we
+ * disable preemption around the vcpu reset as we would otherwise race with
+ * preempt notifiers which also call put/load.
*/
int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
{
const struct kvm_regs *cpu_reset;
+ int ret = -EINVAL;
+ bool loaded;
+
+ preempt_disable();
+ loaded = (vcpu->cpu != -1);
+ if (loaded)
+ kvm_arch_vcpu_put(vcpu);

switch (vcpu->arch.target) {
default:
if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) {
if (!cpu_has_32bit_el1())
- return -EINVAL;
+ goto out;
cpu_reset = &default_regs_reset32;
} else {
cpu_reset = &default_regs_reset;
@@ -127,5 +144,10 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
vcpu->arch.workaround_flags |= VCPU_WORKAROUND_2_FLAG;

/* Reset timer */
- return kvm_timer_vcpu_reset(vcpu);
+ ret = kvm_timer_vcpu_reset(vcpu);
+out:
+ if (loaded)
+ kvm_arch_vcpu_load(vcpu, smp_processor_id());
+ preempt_enable();
+ return ret;
}
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 2e070d3baf9f..cfbf7bd0dfba 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1079,7 +1079,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {

{ SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
{ SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
- { SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x70 },
+ { SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
};

static bool trap_dbgidr(struct kvm_vcpu *vcpu,
diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile
index f0dd9fc84002..a229d28e14cc 100644
--- a/arch/m68k/Makefile
+++ b/arch/m68k/Makefile
@@ -58,7 +58,10 @@ cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200)
cpuflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200)

KBUILD_AFLAGS += $(cpuflags-y)
-KBUILD_CFLAGS += $(cpuflags-y) -pipe
+KBUILD_CFLAGS += $(cpuflags-y)
+
+KBUILD_CFLAGS += -pipe -ffreestanding
+
ifdef CONFIG_MMU
# without -fno-strength-reduce the 53c7xx.c driver fails ;-(
KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index a9af1d2dcd69..673049bf29b6 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -1132,7 +1132,7 @@ static inline void kvm_arch_hardware_unsetup(void) {}
static inline void kvm_arch_sync_events(struct kvm *kvm) {}
static inline void kvm_arch_free_memslot(struct kvm *kvm,
struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
-static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
+static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h
index c459f937d484..8438df443540 100644
--- a/arch/powerpc/include/asm/book3s/64/hugetlb.h
+++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h
@@ -55,6 +55,14 @@ static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
#ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE
static inline bool gigantic_page_supported(void)
{
+ /*
+ * We used gigantic page reservation with hypervisor assist in some case.
+ * We cannot use runtime allocation of gigantic pages in those platforms
+ * This is hash translation mode LPARs.
+ */
+ if (firmware_has_feature(FW_FEATURE_LPAR) && !radix_enabled())
+ return false;
+
return true;
}
#endif
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index e372ed871c51..e3ba58f64c3d 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -809,7 +809,7 @@ struct kvm_vcpu_arch {
static inline void kvm_arch_hardware_disable(void) {}
static inline void kvm_arch_hardware_unsetup(void) {}
static inline void kvm_arch_sync_events(struct kvm *kvm) {}
-static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
+static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_exit(void) {}
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index e780e1fbf6c2..4ae464b9d490 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -726,6 +726,9 @@ fast_exception_return:
mtcr r10
lwz r10,_LINK(r11)
mtlr r10
+ /* Clear the exception_marker on the stack to avoid confusing stacktrace */
+ li r10, 0
+ stw r10, 8(r11)
REST_GPR(10, r11)
#ifdef CONFIG_PPC_8xx_PERF_EVENT
mtspr SPRN_NRI, r0
@@ -963,6 +966,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
mtcrf 0xFF,r10
mtlr r11

+ /* Clear the exception_marker on the stack to avoid confusing stacktrace */
+ li r10, 0
+ stw r10, 8(r1)
/*
* Once we put values in SRR0 and SRR1, we are in a state
* where exceptions are not recoverable, since taking an
@@ -1002,6 +1008,9 @@ exc_exit_restart_end:
mtlr r11
lwz r10,_CCR(r1)
mtcrf 0xff,r10
+ /* Clear the exception_marker on the stack to avoid confusing stacktrace */
+ li r10, 0
+ stw r10, 8(r1)
REST_2GPRS(9, r1)
.globl exc_exit_restart
exc_exit_restart:
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index a0c74bbf3454..b10531372d7f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -156,7 +156,7 @@ void __giveup_fpu(struct task_struct *tsk)

save_fpu(tsk);
msr = tsk->thread.regs->msr;
- msr &= ~MSR_FP;
+ msr &= ~(MSR_FP|MSR_FE0|MSR_FE1);
#ifdef CONFIG_VSX
if (cpu_has_feature(CPU_FTR_VSX))
msr &= ~MSR_VSX;
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 81750d9624ab..bfc5f59d9f1b 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -547,6 +547,7 @@ static int vr_get(struct task_struct *target, const struct user_regset *regset,
/*
* Copy out only the low-order word of vrsave.
*/
+ int start, end;
union {
elf_vrreg_t reg;
u32 word;
@@ -555,8 +556,10 @@ static int vr_get(struct task_struct *target, const struct user_regset *regset,

vrsave.word = target->thread.vrsave;

+ start = 33 * sizeof(vector128);
+ end = start + sizeof(vrsave);
ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &vrsave,
- 33 * sizeof(vector128), -1);
+ start, end);
}

return ret;
@@ -594,6 +597,7 @@ static int vr_set(struct task_struct *target, const struct user_regset *regset,
/*
* We use only the first word of vrsave.
*/
+ int start, end;
union {
elf_vrreg_t reg;
u32 word;
@@ -602,8 +606,10 @@ static int vr_set(struct task_struct *target, const struct user_regset *regset,

vrsave.word = target->thread.vrsave;

+ start = 33 * sizeof(vector128);
+ end = start + sizeof(vrsave);
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &vrsave,
- 33 * sizeof(vector128), -1);
+ start, end);
if (!ret)
target->thread.vrsave = vrsave.word;
}
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index a5f2b7593976..3c9457420aee 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -694,15 +694,15 @@ void machine_check_exception(struct pt_regs *regs)
if (check_io_access(regs))
goto bail;

- /* Must die if the interrupt is not recoverable */
- if (!(regs->msr & MSR_RI))
- nmi_panic(regs, "Unrecoverable Machine check");
-
if (!nested)
nmi_exit();

die("Machine check", regs, SIGBUS);

+ /* Must die if the interrupt is not recoverable */
+ if (!(regs->msr & MSR_RI))
+ nmi_panic(regs, "Unrecoverable Machine check");
+
return;

bail:
@@ -1292,8 +1292,8 @@ void slb_miss_bad_addr(struct pt_regs *regs)

void StackOverflow(struct pt_regs *regs)
{
- printk(KERN_CRIT "Kernel stack overflow in process %p, r1=%lx\n",
- current, regs->gpr[1]);
+ pr_crit("Kernel stack overflow in process %s[%d], r1=%lx\n",
+ current->comm, task_pid_nr(current), regs->gpr[1]);
debugger(regs);
show_regs(regs);
panic("kernel stack overflow");
diff --git a/arch/powerpc/platforms/83xx/suspend-asm.S b/arch/powerpc/platforms/83xx/suspend-asm.S
index 3d1ecd211776..8137f77abad5 100644
--- a/arch/powerpc/platforms/83xx/suspend-asm.S
+++ b/arch/powerpc/platforms/83xx/suspend-asm.S
@@ -26,13 +26,13 @@
#define SS_MSR 0x74
#define SS_SDR1 0x78
#define SS_LR 0x7c
-#define SS_SPRG 0x80 /* 4 SPRGs */
-#define SS_DBAT 0x90 /* 8 DBATs */
-#define SS_IBAT 0xd0 /* 8 IBATs */
-#define SS_TB 0x110
-#define SS_CR 0x118
-#define SS_GPREG 0x11c /* r12-r31 */
-#define STATE_SAVE_SIZE 0x16c
+#define SS_SPRG 0x80 /* 8 SPRGs */
+#define SS_DBAT 0xa0 /* 8 DBATs */
+#define SS_IBAT 0xe0 /* 8 IBATs */
+#define SS_TB 0x120
+#define SS_CR 0x128
+#define SS_GPREG 0x12c /* r12-r31 */
+#define STATE_SAVE_SIZE 0x17c

.section .data
.align 5
@@ -103,6 +103,16 @@ _GLOBAL(mpc83xx_enter_deep_sleep)
stw r7, SS_SPRG+12(r3)
stw r8, SS_SDR1(r3)

+ mfspr r4, SPRN_SPRG4
+ mfspr r5, SPRN_SPRG5
+ mfspr r6, SPRN_SPRG6
+ mfspr r7, SPRN_SPRG7
+
+ stw r4, SS_SPRG+16(r3)
+ stw r5, SS_SPRG+20(r3)
+ stw r6, SS_SPRG+24(r3)
+ stw r7, SS_SPRG+28(r3)
+
mfspr r4, SPRN_DBAT0U
mfspr r5, SPRN_DBAT0L
mfspr r6, SPRN_DBAT1U
@@ -493,6 +503,16 @@ mpc83xx_deep_resume:
mtspr SPRN_IBAT7U, r6
mtspr SPRN_IBAT7L, r7

+ lwz r4, SS_SPRG+16(r3)
+ lwz r5, SS_SPRG+20(r3)
+ lwz r6, SS_SPRG+24(r3)
+ lwz r7, SS_SPRG+28(r3)
+
+ mtspr SPRN_SPRG4, r4
+ mtspr SPRN_SPRG5, r5
+ mtspr SPRN_SPRG6, r6
+ mtspr SPRN_SPRG7, r7
+
lwz r4, SS_SPRG+0(r3)
lwz r5, SS_SPRG+4(r3)
lwz r6, SS_SPRG+8(r3)
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 3fd683e40bc9..2914529c0695 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -104,6 +104,10 @@ unsigned long __init wii_mmu_mapin_mem2(unsigned long top)
/* MEM2 64MB@0x10000000 */
delta = wii_hole_start + wii_hole_size;
size = top - delta;
+
+ if (__map_without_bats)
+ return delta;
+
for (bl = 128<<10; bl < max_size; bl <<= 1) {
if (bl * 2 > size)
break;
diff --git a/arch/powerpc/platforms/powernv/opal-msglog.c b/arch/powerpc/platforms/powernv/opal-msglog.c
index 7a9cde0cfbd1..2ee7af22138e 100644
--- a/arch/powerpc/platforms/powernv/opal-msglog.c
+++ b/arch/powerpc/platforms/powernv/opal-msglog.c
@@ -98,7 +98,7 @@ static ssize_t opal_msglog_read(struct file *file, struct kobject *kobj,
}

static struct bin_attribute opal_msglog_attr = {
- .attr = {.name = "msglog", .mode = 0444},
+ .attr = {.name = "msglog", .mode = 0400},
.read = opal_msglog_read
};

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index d660e784e445..3fdc0bb974d9 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -784,7 +784,7 @@ static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {}
static inline void kvm_arch_free_memslot(struct kvm *kvm,
struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
-static inline void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) {}
+static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {}
static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {}
static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
struct kvm_memory_slot *slot) {}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3cb71fc94995..5c2558cc6977 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -300,7 +300,7 @@ early_param("vmalloc", parse_vmalloc);

void *restart_stack __section(.data);

-static void __init setup_lowcore(void)
+static void __init setup_lowcore_dat_off(void)
{
struct lowcore *lc;

@@ -311,19 +311,16 @@ static void __init setup_lowcore(void)
lc = memblock_virt_alloc_low(sizeof(*lc), sizeof(*lc));
lc->restart_psw.mask = PSW_KERNEL_BITS;
lc->restart_psw.addr = (unsigned long) restart_int_handler;
- lc->external_new_psw.mask = PSW_KERNEL_BITS |
- PSW_MASK_DAT | PSW_MASK_MCHECK;
+ lc->external_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_MCHECK;
lc->external_new_psw.addr = (unsigned long) ext_int_handler;
lc->svc_new_psw.mask = PSW_KERNEL_BITS |
- PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
+ PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
lc->svc_new_psw.addr = (unsigned long) system_call;
- lc->program_new_psw.mask = PSW_KERNEL_BITS |
- PSW_MASK_DAT | PSW_MASK_MCHECK;
+ lc->program_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_MCHECK;
lc->program_new_psw.addr = (unsigned long) pgm_check_handler;
lc->mcck_new_psw.mask = PSW_KERNEL_BITS;
lc->mcck_new_psw.addr = (unsigned long) mcck_int_handler;
- lc->io_new_psw.mask = PSW_KERNEL_BITS |
- PSW_MASK_DAT | PSW_MASK_MCHECK;
+ lc->io_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_MCHECK;
lc->io_new_psw.addr = (unsigned long) io_int_handler;
lc->clock_comparator = clock_comparator_max;
lc->kernel_stack = ((unsigned long) &init_thread_union)
@@ -391,6 +388,16 @@ static void __init setup_lowcore(void)
lowcore_ptr[0] = lc;
}

+static void __init setup_lowcore_dat_on(void)
+{
+ __ctl_clear_bit(0, 28);
+ S390_lowcore.external_new_psw.mask |= PSW_MASK_DAT;
+ S390_lowcore.svc_new_psw.mask |= PSW_MASK_DAT;
+ S390_lowcore.program_new_psw.mask |= PSW_MASK_DAT;
+ S390_lowcore.io_new_psw.mask |= PSW_MASK_DAT;
+ __ctl_set_bit(0, 28);
+}
+
static struct resource code_resource = {
.name = "Kernel code",
.flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM,
@@ -948,7 +955,7 @@ void __init setup_arch(char **cmdline_p)
#endif

setup_resources();
- setup_lowcore();
+ setup_lowcore_dat_off();
smp_fill_possible_mask();
cpu_detect_mhz_feature();
cpu_init();
@@ -961,6 +968,12 @@ void __init setup_arch(char **cmdline_p)
*/
paging_init();

+ /*
+ * After paging_init created the kernel page table, the new PSWs
+ * in lowcore can now run with DAT enabled.
+ */
+ setup_lowcore_dat_on();
+
/* Setup default console */
conmode_default();
set_preferred_console();
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 72fac8646e9b..d2ae93faafe8 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1121,7 +1121,7 @@ void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm,
struct kvm_memory_slot *slot,
gfn_t gfn_offset, unsigned long mask);
void kvm_mmu_zap_all(struct kvm *kvm);
-void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots);
+void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen);
unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);

diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index 3668f28cf5fc..f4e4db0cbd59 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -141,6 +141,11 @@ asm (

void optprobe_template_func(void);
STACK_FRAME_NON_STANDARD(optprobe_template_func);
+NOKPROBE_SYMBOL(optprobe_template_func);
+NOKPROBE_SYMBOL(optprobe_template_entry);
+NOKPROBE_SYMBOL(optprobe_template_val);
+NOKPROBE_SYMBOL(optprobe_template_call);
+NOKPROBE_SYMBOL(optprobe_template_end);

#define TMPL_MOVE_IDX \
((long)&optprobe_template_val - (long)&optprobe_template_entry)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 364d9895dd56..f97b533bc6e6 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5418,13 +5418,30 @@ static bool kvm_has_zapped_obsolete_pages(struct kvm *kvm)
return unlikely(!list_empty_careful(&kvm->arch.zapped_obsolete_pages));
}

-void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots)
+void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, u64 gen)
{
+ gen &= MMIO_GEN_MASK;
+
+ /*
+ * Shift to eliminate the "update in-progress" flag, which isn't
+ * included in the spte's generation number.
+ */
+ gen >>= 1;
+
+ /*
+ * Generation numbers are incremented in multiples of the number of
+ * address spaces in order to provide unique generations across all
+ * address spaces. Strip what is effectively the address space
+ * modifier prior to checking for a wrap of the MMIO generation so
+ * that a wrap in any address space is detected.
+ */
+ gen &= ~((u64)KVM_ADDRESS_SPACE_NUM - 1);
+
/*
- * The very rare case: if the generation-number is round,
+ * The very rare case: if the MMIO generation number has wrapped,
* zap all shadow pages.
*/
- if (unlikely((slots->generation & MMIO_GEN_MASK) == 0)) {
+ if (unlikely(gen == 0)) {
kvm_debug_ratelimited("kvm: zapping shadow pages for mmio generation wraparound\n");
kvm_mmu_invalidate_zap_all_pages(kvm);
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 8e5a977bf50e..229d5e39f5c0 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7446,25 +7446,50 @@ static int get_vmx_mem_address(struct kvm_vcpu *vcpu,
/* Addr = segment_base + offset */
/* offset = base + [index * scale] + displacement */
off = exit_qualification; /* holds the displacement */
+ if (addr_size == 1)
+ off = (gva_t)sign_extend64(off, 31);
+ else if (addr_size == 0)
+ off = (gva_t)sign_extend64(off, 15);
if (base_is_valid)
off += kvm_register_read(vcpu, base_reg);
if (index_is_valid)
off += kvm_register_read(vcpu, index_reg)<<scaling;
vmx_get_segment(vcpu, &s, seg_reg);
- *ret = s.base + off;

+ /*
+ * The effective address, i.e. @off, of a memory operand is truncated
+ * based on the address size of the instruction. Note that this is
+ * the *effective address*, i.e. the address prior to accounting for
+ * the segment's base.
+ */
if (addr_size == 1) /* 32 bit */
- *ret &= 0xffffffff;
+ off &= 0xffffffff;
+ else if (addr_size == 0) /* 16 bit */
+ off &= 0xffff;

/* Checks for #GP/#SS exceptions. */
exn = false;
if (is_long_mode(vcpu)) {
+ /*
+ * The virtual/linear address is never truncated in 64-bit
+ * mode, e.g. a 32-bit address size can yield a 64-bit virtual
+ * address when using FS/GS with a non-zero base.
+ */
+ *ret = s.base + off;
+
/* Long mode: #GP(0)/#SS(0) if the memory address is in a
* non-canonical form. This is the only check on the memory
* destination for long mode!
*/
exn = is_noncanonical_address(*ret, vcpu);
} else if (is_protmode(vcpu)) {
+ /*
+ * When not in long mode, the virtual/linear address is
+ * unconditionally truncated to 32 bits regardless of the
+ * address size.
+ */
+ *ret = (s.base + off) & 0xffffffff;
+
/* Protected mode: apply checks for segment validity in the
* following order:
* - segment type check (#GP(0) may be thrown)
@@ -7488,10 +7513,16 @@ static int get_vmx_mem_address(struct kvm_vcpu *vcpu,
/* Protected mode: #GP(0)/#SS(0) if the segment is unusable.
*/
exn = (s.unusable != 0);
- /* Protected mode: #GP(0)/#SS(0) if the memory
- * operand is outside the segment limit.
+
+ /*
+ * Protected mode: #GP(0)/#SS(0) if the memory operand is
+ * outside the segment limit. All CPUs that support VMX ignore
+ * limit checks for flat segments, i.e. segments with base==0,
+ * limit==0xffffffff and of type expand-up data or code.
*/
- exn = exn || (off + sizeof(u64) > s.limit);
+ if (!(s.base == 0 && s.limit == 0xffffffff &&
+ ((s.type & 8) || !(s.type & 4))))
+ exn = exn || (off + sizeof(u64) > s.limit);
}
if (exn) {
kvm_queue_exception_e(vcpu,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b0e7621ddf01..ce5b3dc348ce 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8524,13 +8524,13 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
return -ENOMEM;
}

-void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots)
+void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
{
/*
* memslots->generation has been incremented.
* mmio generation may have reached its maximum value.
*/
- kvm_mmu_invalidate_mmio_sptes(kvm, slots);
+ kvm_mmu_invalidate_mmio_sptes(kvm, gen);
}

int kvm_arch_prepare_memory_region(struct kvm *kvm,
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index d4b59cf0dc51..c88305d997b0 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -136,6 +136,11 @@ static inline bool emul_is_noncanonical_address(u64 la,
static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
gva_t gva, gfn_t gfn, unsigned access)
{
+ u64 gen = kvm_memslots(vcpu->kvm)->generation;
+
+ if (unlikely(gen & 1))
+ return;
+
/*
* If this is a shadow nested page table, the "GVA" is
* actually a nGPA.
@@ -143,7 +148,7 @@ static inline void vcpu_cache_mmio_info(struct kvm_vcpu *vcpu,
vcpu->arch.mmio_gva = mmu_is_nested(vcpu) ? 0 : gva & PAGE_MASK;
vcpu->arch.access = access;
vcpu->arch.mmio_gfn = gfn;
- vcpu->arch.mmio_gen = kvm_memslots(vcpu->kvm)->generation;
+ vcpu->arch.mmio_gen = gen;
}

static inline bool vcpu_match_mmio_gen(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 7631e6130d44..44b1f1334ef8 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -2080,10 +2080,10 @@ void __init xen_relocate_p2m(void)
pt = early_memremap(pt_phys, PAGE_SIZE);
clear_page(pt);
for (idx_pte = 0;
- idx_pte < min(n_pte, PTRS_PER_PTE);
- idx_pte++) {
- set_pte(pt + idx_pte,
- pfn_pte(p2m_pfn, PAGE_KERNEL));
+ idx_pte < min(n_pte, PTRS_PER_PTE);
+ idx_pte++) {
+ pt[idx_pte] = pfn_pte(p2m_pfn,
+ PAGE_KERNEL);
p2m_pfn++;
}
n_pte -= PTRS_PER_PTE;
@@ -2091,8 +2091,7 @@ void __init xen_relocate_p2m(void)
make_lowmem_page_readonly(__va(pt_phys));
pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE,
PFN_DOWN(pt_phys));
- set_pmd(pmd + idx_pt,
- __pmd(_PAGE_TABLE | pt_phys));
+ pmd[idx_pt] = __pmd(_PAGE_TABLE | pt_phys);
pt_phys += PAGE_SIZE;
}
n_pt -= PTRS_PER_PMD;
@@ -2100,7 +2099,7 @@ void __init xen_relocate_p2m(void)
make_lowmem_page_readonly(__va(pmd_phys));
pin_pagetable_pfn(MMUEXT_PIN_L2_TABLE,
PFN_DOWN(pmd_phys));
- set_pud(pud + idx_pmd, __pud(_PAGE_TABLE | pmd_phys));
+ pud[idx_pmd] = __pud(_PAGE_TABLE | pmd_phys);
pmd_phys += PAGE_SIZE;
}
n_pmd -= PTRS_PER_PUD;
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 3980e9e45289..5a9fa1a867f9 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -86,17 +86,17 @@ static int hash_walk_new_entry(struct crypto_hash_walk *walk)
int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
{
unsigned int alignmask = walk->alignmask;
- unsigned int nbytes = walk->entrylen;

walk->data -= walk->offset;

- if (nbytes && walk->offset & alignmask && !err) {
- walk->offset = ALIGN(walk->offset, alignmask + 1);
- nbytes = min(nbytes,
- ((unsigned int)(PAGE_SIZE)) - walk->offset);
- walk->entrylen -= nbytes;
+ if (walk->entrylen && (walk->offset & alignmask) && !err) {
+ unsigned int nbytes;

+ walk->offset = ALIGN(walk->offset, alignmask + 1);
+ nbytes = min(walk->entrylen,
+ (unsigned int)(PAGE_SIZE - walk->offset));
if (nbytes) {
+ walk->entrylen -= nbytes;
walk->data += walk->offset;
return nbytes;
}
@@ -116,7 +116,7 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
if (err)
return err;

- if (nbytes) {
+ if (walk->entrylen) {
walk->offset = 0;
walk->pg++;
return hash_walk_next(walk);
@@ -190,6 +190,21 @@ static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
return ret;
}

+static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return -ENOSYS;
+}
+
+static void ahash_set_needkey(struct crypto_ahash *tfm)
+{
+ const struct hash_alg_common *alg = crypto_hash_alg_common(tfm);
+
+ if (tfm->setkey != ahash_nosetkey &&
+ !(alg->base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))
+ crypto_ahash_set_flags(tfm, CRYPTO_TFM_NEED_KEY);
+}
+
int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{
@@ -201,20 +216,16 @@ int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
else
err = tfm->setkey(tfm, key, keylen);

- if (err)
+ if (unlikely(err)) {
+ ahash_set_needkey(tfm);
return err;
+ }

crypto_ahash_clear_flags(tfm, CRYPTO_TFM_NEED_KEY);
return 0;
}
EXPORT_SYMBOL_GPL(crypto_ahash_setkey);

-static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
- unsigned int keylen)
-{
- return -ENOSYS;
-}
-
static inline unsigned int ahash_align_buffer_size(unsigned len,
unsigned long mask)
{
@@ -483,8 +494,7 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)

if (alg->setkey) {
hash->setkey = alg->setkey;
- if (!(alg->halg.base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))
- crypto_ahash_set_flags(hash, CRYPTO_TFM_NEED_KEY);
+ ahash_set_needkey(hash);
}
if (alg->export)
hash->export = alg->export;
diff --git a/crypto/pcbc.c b/crypto/pcbc.c
index d9e45a958720..67009a532201 100644
--- a/crypto/pcbc.c
+++ b/crypto/pcbc.c
@@ -50,7 +50,7 @@ static int crypto_pcbc_encrypt_segment(struct skcipher_request *req,
unsigned int nbytes = walk->nbytes;
u8 *src = walk->src.virt.addr;
u8 *dst = walk->dst.virt.addr;
- u8 *iv = walk->iv;
+ u8 * const iv = walk->iv;

do {
crypto_xor(iv, src, bsize);
@@ -71,7 +71,7 @@ static int crypto_pcbc_encrypt_inplace(struct skcipher_request *req,
int bsize = crypto_cipher_blocksize(tfm);
unsigned int nbytes = walk->nbytes;
u8 *src = walk->src.virt.addr;
- u8 *iv = walk->iv;
+ u8 * const iv = walk->iv;
u8 tmpbuf[bsize];

do {
@@ -83,8 +83,6 @@ static int crypto_pcbc_encrypt_inplace(struct skcipher_request *req,
src += bsize;
} while ((nbytes -= bsize) >= bsize);

- memcpy(walk->iv, iv, bsize);
-
return nbytes;
}

@@ -120,7 +118,7 @@ static int crypto_pcbc_decrypt_segment(struct skcipher_request *req,
unsigned int nbytes = walk->nbytes;
u8 *src = walk->src.virt.addr;
u8 *dst = walk->dst.virt.addr;
- u8 *iv = walk->iv;
+ u8 * const iv = walk->iv;

do {
crypto_cipher_decrypt_one(tfm, dst, src);
@@ -131,8 +129,6 @@ static int crypto_pcbc_decrypt_segment(struct skcipher_request *req,
dst += bsize;
} while ((nbytes -= bsize) >= bsize);

- memcpy(walk->iv, iv, bsize);
-
return nbytes;
}

@@ -143,7 +139,7 @@ static int crypto_pcbc_decrypt_inplace(struct skcipher_request *req,
int bsize = crypto_cipher_blocksize(tfm);
unsigned int nbytes = walk->nbytes;
u8 *src = walk->src.virt.addr;
- u8 *iv = walk->iv;
+ u8 * const iv = walk->iv;
u8 tmpbuf[bsize] __aligned(__alignof__(u32));

do {
@@ -155,8 +151,6 @@ static int crypto_pcbc_decrypt_inplace(struct skcipher_request *req,
src += bsize;
} while ((nbytes -= bsize) >= bsize);

- memcpy(walk->iv, iv, bsize);
-
return nbytes;
}

diff --git a/crypto/shash.c b/crypto/shash.c
index 5d732c6bb4b2..a04145e5306a 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -53,6 +53,13 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
return err;
}

+static void shash_set_needkey(struct crypto_shash *tfm, struct shash_alg *alg)
+{
+ if (crypto_shash_alg_has_setkey(alg) &&
+ !(alg->base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))
+ crypto_shash_set_flags(tfm, CRYPTO_TFM_NEED_KEY);
+}
+
int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
unsigned int keylen)
{
@@ -65,8 +72,10 @@ int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key,
else
err = shash->setkey(tfm, key, keylen);

- if (err)
+ if (unlikely(err)) {
+ shash_set_needkey(tfm, shash);
return err;
+ }

crypto_shash_clear_flags(tfm, CRYPTO_TFM_NEED_KEY);
return 0;
@@ -368,7 +377,8 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->final = shash_async_final;
crt->finup = shash_async_finup;
crt->digest = shash_async_digest;
- crt->setkey = shash_async_setkey;
+ if (crypto_shash_alg_has_setkey(alg))
+ crt->setkey = shash_async_setkey;

crypto_ahash_set_flags(crt, crypto_shash_get_flags(shash) &
CRYPTO_TFM_NEED_KEY);
@@ -390,9 +400,7 @@ static int crypto_shash_init_tfm(struct crypto_tfm *tfm)

hash->descsize = alg->descsize;

- if (crypto_shash_alg_has_setkey(alg) &&
- !(alg->base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))
- crypto_shash_set_flags(hash, CRYPTO_TFM_NEED_KEY);
+ shash_set_needkey(hash, alg);

return 0;
}
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 7125ba3880af..d91278c01ea8 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -1839,14 +1839,21 @@ static int alg_test_crc32c(const struct alg_test_desc *desc,

err = alg_test_hash(desc, driver, type, mask);
if (err)
- goto out;
+ return err;

tfm = crypto_alloc_shash(driver, type, mask);
if (IS_ERR(tfm)) {
+ if (PTR_ERR(tfm) == -ENOENT) {
+ /*
+ * This crc32c implementation is only available through
+ * ahash API, not the shash API, so the remaining part
+ * of the test is not applicable to it.
+ */
+ return 0;
+ }
printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
"%ld\n", driver, PTR_ERR(tfm));
- err = PTR_ERR(tfm);
- goto out;
+ return PTR_ERR(tfm);
}

do {
@@ -1873,7 +1880,6 @@ static int alg_test_crc32c(const struct alg_test_desc *desc,

crypto_free_shash(tfm);

-out:
return err;
}

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index a041689e5701..012aa86d4b16 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -202,11 +202,15 @@ static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias,
{
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER };
const union acpi_object *of_compatible, *obj;
+ acpi_status status;
int len, count;
int i, nval;
char *c;

- acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf);
+ status = acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
/* DT strings are all in lower case */
for (c = buf.pointer; *c != '\0'; c++)
*c = tolower(*c);
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 4a6c5e7b6835..05fb821c2558 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -329,6 +329,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return -EINVAL;
}

+ if (out_obj->type != ACPI_TYPE_BUFFER) {
+ dev_dbg(dev, "%s unexpected output object type cmd: %s type: %d\n",
+ dimm_name, cmd_name, out_obj->type);
+ rc = -EINVAL;
+ goto out;
+ }
+
if (call_pkg) {
call_pkg->nd_fw_size = out_obj->buffer.length;
memcpy(call_pkg->nd_payload + call_pkg->nd_size_in,
@@ -347,13 +354,6 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
return 0;
}

- if (out_obj->package.type != ACPI_TYPE_BUFFER) {
- dev_dbg(dev, "%s:%s unexpected output object type cmd: %s type: %d\n",
- __func__, dimm_name, cmd_name, out_obj->type);
- rc = -EINVAL;
- goto out;
- }
-
dev_dbg(dev, "%s:%s cmd: %s output length: %d\n", __func__, dimm_name,
cmd_name, out_obj->buffer.length);
print_hex_dump_debug(cmd_name, DUMP_PREFIX_OFFSET, 4, 4,
diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c
index fbfa5b4cc567..a93ded300740 100644
--- a/drivers/auxdisplay/ht16k33.c
+++ b/drivers/auxdisplay/ht16k33.c
@@ -517,7 +517,7 @@ static int ht16k33_remove(struct i2c_client *client)
struct ht16k33_priv *priv = i2c_get_clientdata(client);
struct ht16k33_fbdev *fbdev = &priv->fbdev;

- cancel_delayed_work(&fbdev->work);
+ cancel_delayed_work_sync(&fbdev->work);
unregister_framebuffer(fbdev->info);
framebuffer_release(fbdev->info);
free_page((unsigned long) fbdev->buffer);
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index cdd6f256da59..df53e2b3296b 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -113,7 +113,6 @@ void wakeup_source_drop(struct wakeup_source *ws)
if (!ws)
return;

- del_timer_sync(&ws->timer);
__pm_relax(ws);
}
EXPORT_SYMBOL_GPL(wakeup_source_drop);
@@ -201,6 +200,13 @@ void wakeup_source_remove(struct wakeup_source *ws)
list_del_rcu(&ws->entry);
spin_unlock_irqrestore(&events_lock, flags);
synchronize_srcu(&wakeup_srcu);
+
+ del_timer_sync(&ws->timer);
+ /*
+ * Clear timer.function to make wakeup_source_not_registered() treat
+ * this wakeup source as not registered.
+ */
+ ws->timer.function = NULL;
}
EXPORT_SYMBOL_GPL(wakeup_source_remove);

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index a7f212ea17bf..3ea9c3e9acb3 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4079,7 +4079,7 @@ static unsigned int floppy_check_events(struct gendisk *disk,

if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
if (lock_fdc(drive))
- return -EINTR;
+ return 0;
poll_drive(false, 0);
process_fd_request();
}
diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index f95b9c75175b..77f3fa10db12 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -438,7 +438,7 @@ static int st33zp24_send(struct tpm_chip *chip, unsigned char *buf,
goto out_err;
}

- return len;
+ return 0;
out_err:
st33zp24_cancel(chip);
release_locality(chip);
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 038b91bcbd31..e3beeb2a93dc 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -497,10 +497,19 @@ static ssize_t tpm_try_transmit(struct tpm_chip *chip,
if (rc < 0) {
if (rc != -EPIPE)
dev_err(&chip->dev,
- "%s: tpm_send: error %d\n", __func__, rc);
+ "%s: send(): error %d\n", __func__, rc);
goto out;
}

+ /* A sanity check. send() should just return zero on success e.g.
+ * not the command length.
+ */
+ if (rc > 0) {
+ dev_warn(&chip->dev,
+ "%s: send(): invalid value %d\n", __func__, rc);
+ rc = 0;
+ }
+
if (chip->flags & TPM_CHIP_FLAG_IRQ)
goto out_recv;

diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index 66a14526aaf4..a290b30a0c35 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -105,7 +105,7 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
iowrite8(buf[i], priv->iobase);
}

- return count;
+ return 0;
}

static void tpm_atml_cancel(struct tpm_chip *chip)
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index b4ad169836e9..f978738554d5 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -288,19 +288,29 @@ static int crb_recv(struct tpm_chip *chip, u8 *buf, size_t count)
struct crb_priv *priv = dev_get_drvdata(&chip->dev);
unsigned int expected;

- /* sanity check */
- if (count < 6)
+ /* A sanity check that the upper layer wants to get at least the header
+ * as that is the minimum size for any TPM response.
+ */
+ if (count < TPM_HEADER_SIZE)
return -EIO;

+ /* If this bit is set, according to the spec, the TPM is in
+ * unrecoverable condition.
+ */
if (ioread32(&priv->regs_t->ctrl_sts) & CRB_CTRL_STS_ERROR)
return -EIO;

- memcpy_fromio(buf, priv->rsp, 6);
- expected = be32_to_cpup((__be32 *) &buf[2]);
- if (expected > count || expected < 6)
+ /* Read the first 8 bytes in order to get the length of the response.
+ * We read exactly a quad word in order to make sure that the remaining
+ * reads will be aligned.
+ */
+ memcpy_fromio(buf, priv->rsp, 8);
+
+ expected = be32_to_cpup((__be32 *)&buf[2]);
+ if (expected > count || expected < TPM_HEADER_SIZE)
return -EIO;

- memcpy_fromio(&buf[6], &priv->rsp[6], expected - 6);
+ memcpy_fromio(&buf[8], &priv->rsp[8], expected - 8);

return expected;
}
diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c
index 95ce2e9ccdc6..32a8e27c5382 100644
--- a/drivers/char/tpm/tpm_i2c_atmel.c
+++ b/drivers/char/tpm/tpm_i2c_atmel.c
@@ -65,7 +65,11 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len)
dev_dbg(&chip->dev,
"%s(buf=%*ph len=%0zx) -> sts=%d\n", __func__,
(int)min_t(size_t, 64, len), buf, len, status);
- return status;
+
+ if (status < 0)
+ return status;
+
+ return 0;
}

static int i2c_atmel_recv(struct tpm_chip *chip, u8 *buf, size_t count)
diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c
index c619e76ce827..94bdb8ec372e 100644
--- a/drivers/char/tpm/tpm_i2c_infineon.c
+++ b/drivers/char/tpm/tpm_i2c_infineon.c
@@ -587,7 +587,7 @@ static int tpm_tis_i2c_send(struct tpm_chip *chip, u8 *buf, size_t len)
/* go and do it */
iic_tpm_write(TPM_STS(tpm_dev.locality), &sts, 1);

- return len;
+ return 0;
out_err:
tpm_tis_i2c_ready(chip);
/* The TPM needs some time to clean up here,
diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c
index f74f451baf6a..b8defdfdf2dc 100644
--- a/drivers/char/tpm/tpm_i2c_nuvoton.c
+++ b/drivers/char/tpm/tpm_i2c_nuvoton.c
@@ -469,7 +469,7 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len)
}

dev_dbg(dev, "%s() -> %zd\n", __func__, len);
- return len;
+ return 0;
}

static bool i2c_nuvoton_req_canceled(struct tpm_chip *chip, u8 status)
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 25f6e2665385..77e47dc5aacc 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -141,14 +141,14 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
}

/**
- * tpm_ibmvtpm_send - Send tpm request
- *
+ * tpm_ibmvtpm_send() - Send a TPM command
* @chip: tpm chip struct
* @buf: buffer contains data to send
* @count: size of buffer
*
* Return:
- * Number of bytes sent or < 0 on error.
+ * 0 on success,
+ * -errno on error
*/
static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
@@ -194,7 +194,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
rc = 0;
ibmvtpm->tpm_processing_cmd = false;
} else
- rc = count;
+ rc = 0;

spin_unlock(&ibmvtpm->rtce_lock);
return rc;
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
index d8f10047fbba..97f6d4fe0aee 100644
--- a/drivers/char/tpm/tpm_infineon.c
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -354,7 +354,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
for (i = 0; i < count; i++) {
wait_and_send(chip, buf[i]);
}
- return count;
+ return 0;
}

static void tpm_inf_cancel(struct tpm_chip *chip)
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 5d6cce74cd3f..9bee3c5eb4bf 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -226,7 +226,7 @@ static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count)
}
outb(NSC_COMMAND_EOC, priv->base + NSC_COMMAND);

- return count;
+ return 0;
}

static void tpm_nsc_cancel(struct tpm_chip *chip)
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 58123df6b5f6..a7d9c0c53fcd 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -379,7 +379,7 @@ static int tpm_tis_send_main(struct tpm_chip *chip, const u8 *buf, size_t len)
goto out_err;
}
}
- return len;
+ return 0;
out_err:
tpm_tis_ready(chip);
return rc;
diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c
index 1d877cc9af97..94a539384619 100644
--- a/drivers/char/tpm/tpm_vtpm_proxy.c
+++ b/drivers/char/tpm/tpm_vtpm_proxy.c
@@ -335,7 +335,6 @@ static int vtpm_proxy_is_driver_command(struct tpm_chip *chip,
static int vtpm_proxy_tpm_op_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);
- int rc = 0;

if (count > sizeof(proxy_dev->buffer)) {
dev_err(&chip->dev,
@@ -366,7 +365,7 @@ static int vtpm_proxy_tpm_op_send(struct tpm_chip *chip, u8 *buf, size_t count)

wake_up_interruptible(&proxy_dev->wq);

- return rc;
+ return 0;
}

static void vtpm_proxy_tpm_op_cancel(struct tpm_chip *chip)
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 2cffaf567d99..538c9297dee1 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -112,7 +112,7 @@ static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
return -ETIME;
}

- return count;
+ return 0;
}

static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c
index 7b222a5db931..82d615fe2947 100644
--- a/drivers/clk/clk-twl6040.c
+++ b/drivers/clk/clk-twl6040.c
@@ -41,6 +41,43 @@ static int twl6040_pdmclk_is_prepared(struct clk_hw *hw)
return pdmclk->enabled;
}

+static int twl6040_pdmclk_reset_one_clock(struct twl6040_pdmclk *pdmclk,
+ unsigned int reg)
+{
+ const u8 reset_mask = TWL6040_HPLLRST; /* Same for HPPLL and LPPLL */
+ int ret;
+
+ ret = twl6040_set_bits(pdmclk->twl6040, reg, reset_mask);
+ if (ret < 0)
+ return ret;
+
+ ret = twl6040_clear_bits(pdmclk->twl6040, reg, reset_mask);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * TWL6040A2 Phoenix Audio IC erratum #6: "PDM Clock Generation Issue At
+ * Cold Temperature". This affects cold boot and deeper idle states it
+ * seems. The workaround consists of resetting HPPLL and LPPLL.
+ */
+static int twl6040_pdmclk_quirk_reset_clocks(struct twl6040_pdmclk *pdmclk)
+{
+ int ret;
+
+ ret = twl6040_pdmclk_reset_one_clock(pdmclk, TWL6040_REG_HPPLLCTL);
+ if (ret)
+ return ret;
+
+ ret = twl6040_pdmclk_reset_one_clock(pdmclk, TWL6040_REG_LPPLLCTL);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
static int twl6040_pdmclk_prepare(struct clk_hw *hw)
{
struct twl6040_pdmclk *pdmclk = container_of(hw, struct twl6040_pdmclk,
@@ -48,8 +85,20 @@ static int twl6040_pdmclk_prepare(struct clk_hw *hw)
int ret;

ret = twl6040_power(pdmclk->twl6040, 1);
- if (!ret)
- pdmclk->enabled = 1;
+ if (ret)
+ return ret;
+
+ ret = twl6040_pdmclk_quirk_reset_clocks(pdmclk);
+ if (ret)
+ goto out_err;
+
+ pdmclk->enabled = 1;
+
+ return 0;
+
+out_err:
+ dev_err(pdmclk->dev, "%s: error %i\n", __func__, ret);
+ twl6040_power(pdmclk->twl6040, 0);

return ret;
}
diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c
index ab393637f7b0..a6b4b90ff227 100644
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@@ -364,16 +364,16 @@ ingenic_clk_round_rate(struct clk_hw *hw, unsigned long req_rate,
struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw);
struct ingenic_cgu *cgu = ingenic_clk->cgu;
const struct ingenic_cgu_clk_info *clk_info;
- long rate = *parent_rate;
+ unsigned int div = 1;

clk_info = &cgu->clock_info[ingenic_clk->idx];

if (clk_info->type & CGU_CLK_DIV)
- rate /= ingenic_clk_calc_div(clk_info, *parent_rate, req_rate);
+ div = ingenic_clk_calc_div(clk_info, *parent_rate, req_rate);
else if (clk_info->type & CGU_CLK_FIXDIV)
- rate /= clk_info->fixdiv.div;
+ div = clk_info->fixdiv.div;

- return rate;
+ return DIV_ROUND_UP(*parent_rate, div);
}

static int
@@ -393,7 +393,7 @@ ingenic_clk_set_rate(struct clk_hw *hw, unsigned long req_rate,

if (clk_info->type & CGU_CLK_DIV) {
div = ingenic_clk_calc_div(clk_info, parent_rate, req_rate);
- rate = parent_rate / div;
+ rate = DIV_ROUND_UP(parent_rate, div);

if (rate != req_rate)
return -EINVAL;
diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h
index e78b586536ea..74ed385309a5 100644
--- a/drivers/clk/ingenic/cgu.h
+++ b/drivers/clk/ingenic/cgu.h
@@ -78,7 +78,7 @@ struct ingenic_cgu_mux_info {
* @reg: offset of the divider control register within the CGU
* @shift: number of bits to left shift the divide value by (ie. the index of
* the lowest bit of the divide value within its control register)
- * @div: number of bits to divide the divider value by (i.e. if the
+ * @div: number to divide the divider value by (i.e. if the
* effective divider value is the value written to the register
* multiplied by some constant)
* @bits: the size of the divide value in bits
diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
index 40d5f74cb2ac..d93b4815e65c 100644
--- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
+++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c
@@ -252,9 +252,9 @@ static SUNXI_CCU_GATE(ahb1_mmc1_clk, "ahb1-mmc1", "ahb1",
static SUNXI_CCU_GATE(ahb1_mmc2_clk, "ahb1-mmc2", "ahb1",
0x060, BIT(10), 0);
static SUNXI_CCU_GATE(ahb1_mmc3_clk, "ahb1-mmc3", "ahb1",
- 0x060, BIT(12), 0);
+ 0x060, BIT(11), 0);
static SUNXI_CCU_GATE(ahb1_nand1_clk, "ahb1-nand1", "ahb1",
- 0x060, BIT(13), 0);
+ 0x060, BIT(12), 0);
static SUNXI_CCU_GATE(ahb1_nand0_clk, "ahb1-nand0", "ahb1",
0x060, BIT(13), 0);
static SUNXI_CCU_GATE(ahb1_sdram_clk, "ahb1-sdram", "ahb1",
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index 621b1cd996db..ac12f261f8ca 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -542,7 +542,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = {
[RST_BUS_OHCI0] = { 0x2c0, BIT(29) },

[RST_BUS_VE] = { 0x2c4, BIT(0) },
- [RST_BUS_TCON0] = { 0x2c4, BIT(3) },
+ [RST_BUS_TCON0] = { 0x2c4, BIT(4) },
[RST_BUS_CSI] = { 0x2c4, BIT(8) },
[RST_BUS_DE] = { 0x2c4, BIT(12) },
[RST_BUS_DBG] = { 0x2c4, BIT(31) },
diff --git a/drivers/clk/uniphier/clk-uniphier-cpugear.c b/drivers/clk/uniphier/clk-uniphier-cpugear.c
index ec11f55594ad..5d2d42b7e182 100644
--- a/drivers/clk/uniphier/clk-uniphier-cpugear.c
+++ b/drivers/clk/uniphier/clk-uniphier-cpugear.c
@@ -47,7 +47,7 @@ static int uniphier_clk_cpugear_set_parent(struct clk_hw *hw, u8 index)
return ret;

ret = regmap_write_bits(gear->regmap,
- gear->regbase + UNIPHIER_CLK_CPUGEAR_SET,
+ gear->regbase + UNIPHIER_CLK_CPUGEAR_UPD,
UNIPHIER_CLK_CPUGEAR_UPD_BIT,
UNIPHIER_CLK_CPUGEAR_UPD_BIT);
if (ret)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 7a244b681876..d55c30f6981d 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -388,6 +388,13 @@ static void exynos4_mct_tick_start(unsigned long cycles,
exynos4_mct_write(tmp, mevt->base + MCT_L_TCON_OFFSET);
}

+static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
+{
+ /* Clear the MCT tick interrupt */
+ if (readl_relaxed(reg_base + mevt->base + MCT_L_INT_CSTAT_OFFSET) & 1)
+ exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
+}
+
static int exynos4_tick_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
@@ -404,6 +411,7 @@ static int set_state_shutdown(struct clock_event_device *evt)

mevt = container_of(evt, struct mct_clock_event_device, evt);
exynos4_mct_tick_stop(mevt);
+ exynos4_mct_tick_clear(mevt);
return 0;
}

@@ -420,8 +428,11 @@ static int set_state_periodic(struct clock_event_device *evt)
return 0;
}

-static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
+static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
{
+ struct mct_clock_event_device *mevt = dev_id;
+ struct clock_event_device *evt = &mevt->evt;
+
/*
* This is for supporting oneshot mode.
* Mct would generate interrupt periodically
@@ -430,16 +441,6 @@ static void exynos4_mct_tick_clear(struct mct_clock_event_device *mevt)
if (!clockevent_state_periodic(&mevt->evt))
exynos4_mct_tick_stop(mevt);

- /* Clear the MCT tick interrupt */
- if (readl_relaxed(reg_base + mevt->base + MCT_L_INT_CSTAT_OFFSET) & 1)
- exynos4_mct_write(0x1, mevt->base + MCT_L_INT_CSTAT_OFFSET);
-}
-
-static irqreturn_t exynos4_mct_tick_isr(int irq, void *dev_id)
-{
- struct mct_clock_event_device *mevt = dev_id;
- struct clock_event_device *evt = &mevt->evt;
-
exynos4_mct_tick_clear(mevt);

evt->event_handler(evt);
diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
index ce345bf34d5d..a24e9f037865 100644
--- a/drivers/cpufreq/pxa2xx-cpufreq.c
+++ b/drivers/cpufreq/pxa2xx-cpufreq.c
@@ -192,7 +192,7 @@ static int pxa_cpufreq_change_voltage(const struct pxa_freqs *pxa_freq)
return ret;
}

-static void __init pxa_cpufreq_init_voltages(void)
+static void pxa_cpufreq_init_voltages(void)
{
vcc_core = regulator_get(NULL, "vcc_core");
if (IS_ERR(vcc_core)) {
@@ -208,7 +208,7 @@ static int pxa_cpufreq_change_voltage(const struct pxa_freqs *pxa_freq)
return 0;
}

-static void __init pxa_cpufreq_init_voltages(void) { }
+static void pxa_cpufreq_init_voltages(void) { }
#endif

static void find_freq_tables(struct cpufreq_frequency_table **freq_table,
diff --git a/drivers/cpufreq/tegra124-cpufreq.c b/drivers/cpufreq/tegra124-cpufreq.c
index 43530254201a..4bb154f6c54c 100644
--- a/drivers/cpufreq/tegra124-cpufreq.c
+++ b/drivers/cpufreq/tegra124-cpufreq.c
@@ -134,6 +134,8 @@ static int tegra124_cpufreq_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, priv);

+ of_node_put(np);
+
return 0;

out_switch_to_pllx:
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 43fe195f6dca..63a21a6fc6cf 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1097,6 +1097,7 @@ static void init_ablkcipher_job(u32 *sh_desc, dma_addr_t ptr,
} else {
if (edesc->dst_nents == 1) {
dst_dma = sg_dma_address(req->dst);
+ out_options = 0;
} else {
dst_dma = edesc->sec4_sg_dma + (edesc->src_nents + 1) *
sizeof(struct sec4_sg_entry);
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
index c9d622abd90c..0ce4a65b95f5 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.c
+++ b/drivers/crypto/rockchip/rk3288_crypto.c
@@ -119,7 +119,7 @@ static int rk_load_data(struct rk_crypto_info *dev,
count = (dev->left_bytes > PAGE_SIZE) ?
PAGE_SIZE : dev->left_bytes;

- if (!sg_pcopy_to_buffer(dev->first, dev->nents,
+ if (!sg_pcopy_to_buffer(dev->first, dev->src_nents,
dev->addr_vir, count,
dev->total - dev->left_bytes)) {
dev_err(dev->dev, "[%s:%d] pcopy err\n",
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
index d5fb4013fb42..54ee5b3ed9db 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.h
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -207,7 +207,8 @@ struct rk_crypto_info {
void *addr_vir;
int aligned;
int align_size;
- size_t nents;
+ size_t src_nents;
+ size_t dst_nents;
unsigned int total;
unsigned int count;
dma_addr_t addr_in;
@@ -244,6 +245,7 @@ struct rk_cipher_ctx {
struct rk_crypto_info *dev;
unsigned int keylen;
u32 mode;
+ u8 iv[AES_BLOCK_SIZE];
};

enum alg_type {
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
index 639c15c5364b..23305f22072f 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
@@ -242,6 +242,17 @@ static void crypto_dma_start(struct rk_crypto_info *dev)
static int rk_set_data_start(struct rk_crypto_info *dev)
{
int err;
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+ u8 *src_last_blk = page_address(sg_page(dev->sg_src)) +
+ dev->sg_src->offset + dev->sg_src->length - ivsize;
+
+ /* store the iv that need to be updated in chain mode */
+ if (ctx->mode & RK_CRYPTO_DEC)
+ memcpy(ctx->iv, src_last_blk, ivsize);

err = dev->load_data(dev, dev->sg_src, dev->sg_dst);
if (!err)
@@ -260,8 +271,9 @@ static int rk_ablk_start(struct rk_crypto_info *dev)
dev->total = req->nbytes;
dev->sg_src = req->src;
dev->first = req->src;
- dev->nents = sg_nents(req->src);
+ dev->src_nents = sg_nents(req->src);
dev->sg_dst = req->dst;
+ dev->dst_nents = sg_nents(req->dst);
dev->aligned = 1;

spin_lock_irqsave(&dev->lock, flags);
@@ -285,6 +297,28 @@ static void rk_iv_copyback(struct rk_crypto_info *dev)
memcpy_fromio(req->info, dev->reg + RK_CRYPTO_AES_IV_0, ivsize);
}

+static void rk_update_iv(struct rk_crypto_info *dev)
+{
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+ u8 *new_iv = NULL;
+
+ if (ctx->mode & RK_CRYPTO_DEC) {
+ new_iv = ctx->iv;
+ } else {
+ new_iv = page_address(sg_page(dev->sg_dst)) +
+ dev->sg_dst->offset + dev->sg_dst->length - ivsize;
+ }
+
+ if (ivsize == DES_BLOCK_SIZE)
+ memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, new_iv, ivsize);
+ else if (ivsize == AES_BLOCK_SIZE)
+ memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, new_iv, ivsize);
+}
+
/* return:
* true some err was occurred
* fault no err, continue
@@ -297,7 +331,7 @@ static int rk_ablk_rx(struct rk_crypto_info *dev)

dev->unload_data(dev);
if (!dev->aligned) {
- if (!sg_pcopy_from_buffer(req->dst, dev->nents,
+ if (!sg_pcopy_from_buffer(req->dst, dev->dst_nents,
dev->addr_vir, dev->count,
dev->total - dev->left_bytes -
dev->count)) {
@@ -306,6 +340,7 @@ static int rk_ablk_rx(struct rk_crypto_info *dev)
}
}
if (dev->left_bytes) {
+ rk_update_iv(dev);
if (dev->aligned) {
if (sg_is_last(dev->sg_src)) {
dev_err(dev->dev, "[%s:%d] Lack of data\n",
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
index 821a506b9e17..c336ae75e361 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
@@ -206,7 +206,7 @@ static int rk_ahash_start(struct rk_crypto_info *dev)
dev->sg_dst = NULL;
dev->sg_src = req->src;
dev->first = req->src;
- dev->nents = sg_nents(req->src);
+ dev->src_nents = sg_nents(req->src);
rctx = ahash_request_ctx(req);
rctx->mode = 0;

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5d8a67c65141..727018a16cca 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1640,7 +1640,8 @@ __vma_matches(struct vm_area_struct *vma, struct file *filp,
if (vma->vm_file != filp)
return false;

- return vma->vm_start == addr && (vma->vm_end - vma->vm_start) == size;
+ return vma->vm_start == addr &&
+ (vma->vm_end - vma->vm_start) == PAGE_ALIGN(size);
}

/**
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index dd5312b02a8d..4f2e6c7e04c1 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -652,8 +652,10 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
int bus_format;

ret = of_property_read_u32(child, "reg", &i);
- if (ret || i < 0 || i > 1)
- return -EINVAL;
+ if (ret || i < 0 || i > 1) {
+ ret = -EINVAL;
+ goto free_child;
+ }

if (!of_device_is_available(child))
continue;
@@ -666,7 +668,6 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
channel = &imx_ldb->channel[i];
channel->ldb = imx_ldb;
channel->chno = i;
- channel->child = child;

/*
* The output port is port@4 with an external 4-port mux or
@@ -676,13 +677,13 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
imx_ldb->lvds_mux ? 4 : 2, 0,
&channel->panel, &channel->bridge);
if (ret && ret != -ENODEV)
- return ret;
+ goto free_child;

/* panel ddc only if there is no bridge */
if (!channel->bridge) {
ret = imx_ldb_panel_ddc(dev, channel, child);
if (ret)
- return ret;
+ goto free_child;
}

bus_format = of_get_bus_format(dev, child);
@@ -698,18 +699,26 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data)
if (bus_format < 0) {
dev_err(dev, "could not determine data mapping: %d\n",
bus_format);
- return bus_format;
+ ret = bus_format;
+ goto free_child;
}
channel->bus_format = bus_format;
+ channel->child = child;

ret = imx_ldb_register(drm, channel);
- if (ret)
- return ret;
+ if (ret) {
+ channel->child = NULL;
+ goto free_child;
+ }
}

dev_set_drvdata(dev, imx_ldb);

return 0;
+
+free_child:
+ of_node_put(child);
+ return ret;
}

static void imx_ldb_unbind(struct device *dev, struct device *master,
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index cf98596c7ce1..d0d7f6adbc89 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -348,9 +348,9 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
if (ret)
return ret;

- /* CRTC should be enabled */
+ /* nothing to check when disabling or disabled */
if (!crtc_state->enable)
- return -EINVAL;
+ return 0;

switch (plane->type) {
case DRM_PLANE_TYPE_PRIMARY:
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 54324330b91f..2f0a5bd50174 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -1299,6 +1299,7 @@ static int evergreen_cs_handle_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
return -EINVAL;
}
ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+ break;
case CB_TARGET_MASK:
track->cb_target_mask = radeon_get_ib_value(p, idx);
track->cb_dirty = true;
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 2c8411b8d050..f3a57c0500f3 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -894,8 +894,8 @@ static struct ipu_devtype ipu_type_imx51 = {
.cpmem_ofs = 0x1f000000,
.srm_ofs = 0x1f040000,
.tpm_ofs = 0x1f060000,
- .csi0_ofs = 0x1f030000,
- .csi1_ofs = 0x1f038000,
+ .csi0_ofs = 0x1e030000,
+ .csi1_ofs = 0x1e038000,
.ic_ofs = 0x1e020000,
.disp0_ofs = 0x1e040000,
.disp1_ofs = 0x1e048000,
@@ -910,8 +910,8 @@ static struct ipu_devtype ipu_type_imx53 = {
.cpmem_ofs = 0x07000000,
.srm_ofs = 0x07040000,
.tpm_ofs = 0x07060000,
- .csi0_ofs = 0x07030000,
- .csi1_ofs = 0x07038000,
+ .csi0_ofs = 0x06030000,
+ .csi1_ofs = 0x06038000,
.ic_ofs = 0x06020000,
.disp0_ofs = 0x06040000,
.disp1_ofs = 0x06048000,
diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c
index 018678ec3c13..bb27a3150563 100644
--- a/drivers/hwtracing/intel_th/gth.c
+++ b/drivers/hwtracing/intel_th/gth.c
@@ -615,6 +615,7 @@ static void intel_th_gth_unassign(struct intel_th_device *thdev,
{
struct gth_device *gth = dev_get_drvdata(&thdev->dev);
int port = othdev->output.port;
+ int master;

if (thdev->host_mode)
return;
@@ -623,6 +624,9 @@ static void intel_th_gth_unassign(struct intel_th_device *thdev,
othdev->output.port = -1;
othdev->output.active = false;
gth->output[port].output = NULL;
+ for (master = 0; master < TH_CONFIGURABLE_MASTERS; master++)
+ if (gth->master[master] == port)
+ gth->master[master] = -1;
spin_unlock(&gth->gth_lock);
}

diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 736862967e32..41724d18e712 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -252,6 +252,9 @@ static int find_free_channels(unsigned long *bitmap, unsigned int start,
;
if (i == width)
return pos;
+
+ /* step over [pos..pos+i) to continue search */
+ pos += i;
}

return -1;
@@ -558,7 +561,7 @@ static int stm_char_policy_set_ioctl(struct stm_file *stmf, void __user *arg)
{
struct stm_device *stm = stmf->stm;
struct stp_policy_id *id;
- int ret = -EINVAL;
+ int ret = -EINVAL, wlimit = 1;
u32 size;

if (stmf->output.nr_chans)
@@ -586,8 +589,10 @@ static int stm_char_policy_set_ioctl(struct stm_file *stmf, void __user *arg)
if (id->__reserved_0 || id->__reserved_1)
goto err_free;

- if (id->width < 1 ||
- id->width > PAGE_SIZE / stm->data->sw_mmiosz)
+ if (stm->data->sw_mmiosz)
+ wlimit = PAGE_SIZE / stm->data->sw_mmiosz;
+
+ if (id->width < 1 || id->width > wlimit)
goto err_free;

ret = stm_file_assign(stmf, id->id, id->width);
diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 44deae78913e..4d19254f78c8 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -191,6 +191,15 @@ static void bcm2835_i2c_start_transfer(struct bcm2835_i2c_dev *i2c_dev)
bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C, c);
}

+static void bcm2835_i2c_finish_transfer(struct bcm2835_i2c_dev *i2c_dev)
+{
+ i2c_dev->curr_msg = NULL;
+ i2c_dev->num_msgs = 0;
+
+ i2c_dev->msg_buf = NULL;
+ i2c_dev->msg_buf_remaining = 0;
+}
+
/*
* Note about I2C_C_CLEAR on error:
* The I2C_C_CLEAR on errors will take some time to resolve -- if you were in
@@ -291,6 +300,9 @@ static int bcm2835_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],

time_left = wait_for_completion_timeout(&i2c_dev->completion,
adap->timeout);
+
+ bcm2835_i2c_finish_transfer(i2c_dev);
+
if (!time_left) {
bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C,
BCM2835_I2C_C_CLEAR);
diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index b13605718291..d917cefc5a19 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -382,8 +382,10 @@ static void cdns_i2c_mrecv(struct cdns_i2c *id)
* Check for the message size against FIFO depth and set the
* 'hold bus' bit if it is greater than FIFO depth.
*/
- if (id->recv_count > CDNS_I2C_FIFO_DEPTH)
+ if ((id->recv_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag)
ctrl_reg |= CDNS_I2C_CR_HOLD;
+ else
+ ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD;

cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET);

@@ -440,8 +442,11 @@ static void cdns_i2c_msend(struct cdns_i2c *id)
* Check for the message size against FIFO depth and set the
* 'hold bus' bit if it is greater than FIFO depth.
*/
- if (id->send_count > CDNS_I2C_FIFO_DEPTH)
+ if ((id->send_count > CDNS_I2C_FIFO_DEPTH) || id->bus_hold_flag)
ctrl_reg |= CDNS_I2C_CR_HOLD;
+ else
+ ctrl_reg = ctrl_reg & ~CDNS_I2C_CR_HOLD;
+
cdns_i2c_writereg(ctrl_reg, CDNS_I2C_CR_OFFSET);

/* Clear the interrupts in interrupt status register. */
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index ec2d11af6c78..b90f1512f59c 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -794,7 +794,7 @@ static const struct i2c_algorithm tegra_i2c_algo = {
/* payload size is only 12 bit */
static const struct i2c_adapter_quirks tegra_i2c_quirks = {
.max_read_len = 4096,
- .max_write_len = 4096,
+ .max_write_len = 4096 - 12,
};

static const struct tegra_i2c_hw_feature tegra20_i2c_hw = {
diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 6c5a7be9f8c1..019153882e70 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -916,7 +916,7 @@ static int exynos_adc_remove(struct platform_device *pdev)
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
struct exynos_adc *info = iio_priv(indio_dev);

- if (IS_REACHABLE(CONFIG_INPUT)) {
+ if (IS_REACHABLE(CONFIG_INPUT) && info->input) {
free_irq(info->tsirq, info);
input_unregister_device(info->input);
}
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index ee2859dcceab..af550c1767e3 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1398,7 +1398,7 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd,
struct hfi1_devdata *dd, u8 hw_pidx, u8 port);
void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd);
int hfi1_rcd_put(struct hfi1_ctxtdata *rcd);
-void hfi1_rcd_get(struct hfi1_ctxtdata *rcd);
+int hfi1_rcd_get(struct hfi1_ctxtdata *rcd);
struct hfi1_ctxtdata *hfi1_rcd_get_by_index(struct hfi1_devdata *dd, u16 ctxt);
int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread);
int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread);
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index ee5cbdfeb3ab..b7481701542e 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -215,12 +215,12 @@ static void hfi1_rcd_free(struct kref *kref)
struct hfi1_ctxtdata *rcd =
container_of(kref, struct hfi1_ctxtdata, kref);

- hfi1_free_ctxtdata(rcd->dd, rcd);
-
spin_lock_irqsave(&rcd->dd->uctxt_lock, flags);
rcd->dd->rcd[rcd->ctxt] = NULL;
spin_unlock_irqrestore(&rcd->dd->uctxt_lock, flags);

+ hfi1_free_ctxtdata(rcd->dd, rcd);
+
kfree(rcd);
}

@@ -243,10 +243,13 @@ int hfi1_rcd_put(struct hfi1_ctxtdata *rcd)
* @rcd: pointer to an initialized rcd data structure
*
* Use this to get a reference after the init.
+ *
+ * Return : reflect kref_get_unless_zero(), which returns non-zero on
+ * increment, otherwise 0.
*/
-void hfi1_rcd_get(struct hfi1_ctxtdata *rcd)
+int hfi1_rcd_get(struct hfi1_ctxtdata *rcd)
{
- kref_get(&rcd->kref);
+ return kref_get_unless_zero(&rcd->kref);
}

/**
@@ -305,7 +308,8 @@ struct hfi1_ctxtdata *hfi1_rcd_get_by_index(struct hfi1_devdata *dd, u16 ctxt)
spin_lock_irqsave(&dd->uctxt_lock, flags);
if (dd->rcd[ctxt]) {
rcd = dd->rcd[ctxt];
- hfi1_rcd_get(rcd);
+ if (!hfi1_rcd_get(rcd))
+ rcd = NULL;
}
spin_unlock_irqrestore(&dd->uctxt_lock, flags);

diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
index 1a1eacae3ea1..87fb48143859 100644
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -75,9 +75,7 @@
struct cap11xx_led {
struct cap11xx_priv *priv;
struct led_classdev cdev;
- struct work_struct work;
u32 reg;
- enum led_brightness new_brightness;
};
#endif

@@ -233,30 +231,21 @@ static void cap11xx_input_close(struct input_dev *idev)
}

#ifdef CONFIG_LEDS_CLASS
-static void cap11xx_led_work(struct work_struct *work)
+static int cap11xx_led_set(struct led_classdev *cdev,
+ enum led_brightness value)
{
- struct cap11xx_led *led = container_of(work, struct cap11xx_led, work);
+ struct cap11xx_led *led = container_of(cdev, struct cap11xx_led, cdev);
struct cap11xx_priv *priv = led->priv;
- int value = led->new_brightness;

/*
- * All LEDs share the same duty cycle as this is a HW limitation.
- * Brightness levels per LED are either 0 (OFF) and 1 (ON).
+ * All LEDs share the same duty cycle as this is a HW
+ * limitation. Brightness levels per LED are either
+ * 0 (OFF) and 1 (ON).
*/
- regmap_update_bits(priv->regmap, CAP11XX_REG_LED_OUTPUT_CONTROL,
- BIT(led->reg), value ? BIT(led->reg) : 0);
-}
-
-static void cap11xx_led_set(struct led_classdev *cdev,
- enum led_brightness value)
-{
- struct cap11xx_led *led = container_of(cdev, struct cap11xx_led, cdev);
-
- if (led->new_brightness == value)
- return;
-
- led->new_brightness = value;
- schedule_work(&led->work);
+ return regmap_update_bits(priv->regmap,
+ CAP11XX_REG_LED_OUTPUT_CONTROL,
+ BIT(led->reg),
+ value ? BIT(led->reg) : 0);
}

static int cap11xx_init_leds(struct device *dev,
@@ -299,7 +288,7 @@ static int cap11xx_init_leds(struct device *dev,
led->cdev.default_trigger =
of_get_property(child, "linux,default-trigger", NULL);
led->cdev.flags = 0;
- led->cdev.brightness_set = cap11xx_led_set;
+ led->cdev.brightness_set_blocking = cap11xx_led_set;
led->cdev.max_brightness = 1;
led->cdev.brightness = LED_OFF;

@@ -312,8 +301,6 @@ static int cap11xx_init_leds(struct device *dev,
led->reg = reg;
led->priv = priv;

- INIT_WORK(&led->work, cap11xx_led_work);
-
error = devm_led_classdev_register(dev, &led->cdev);
if (error) {
of_node_put(child);
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 782dda68d93a..c04559a232f7 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -222,7 +222,7 @@ static void matrix_keypad_stop(struct input_dev *dev)
keypad->stopped = true;
spin_unlock_irq(&keypad->lock);

- flush_work(&keypad->work.work);
+ flush_delayed_work(&keypad->work);
/*
* matrix_keypad_scan() will leave IRQs enabled;
* we should disable them now.
diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c
index babcfb165e4f..3b85631fde91 100644
--- a/drivers/input/keyboard/st-keyscan.c
+++ b/drivers/input/keyboard/st-keyscan.c
@@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev)

input_dev->id.bustype = BUS_HOST;

+ keypad_data->input_dev = input_dev;
+
error = keypad_matrix_key_parse_dt(keypad_data);
if (error)
return error;
@@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev)

input_set_drvdata(input_dev, keypad_data);

- keypad_data->input_dev = input_dev;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
keypad_data->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(keypad_data->base))
diff --git a/drivers/input/misc/pwm-vibra.c b/drivers/input/misc/pwm-vibra.c
index 55da191ae550..dbb6d9e1b947 100644
--- a/drivers/input/misc/pwm-vibra.c
+++ b/drivers/input/misc/pwm-vibra.c
@@ -34,6 +34,7 @@ struct pwm_vibrator {
struct work_struct play_work;
u16 level;
u32 direction_duty_cycle;
+ bool vcc_on;
};

static int pwm_vibrator_start(struct pwm_vibrator *vibrator)
@@ -42,10 +43,13 @@ static int pwm_vibrator_start(struct pwm_vibrator *vibrator)
struct pwm_state state;
int err;

- err = regulator_enable(vibrator->vcc);
- if (err) {
- dev_err(pdev, "failed to enable regulator: %d", err);
- return err;
+ if (!vibrator->vcc_on) {
+ err = regulator_enable(vibrator->vcc);
+ if (err) {
+ dev_err(pdev, "failed to enable regulator: %d", err);
+ return err;
+ }
+ vibrator->vcc_on = true;
}

pwm_get_state(vibrator->pwm, &state);
@@ -76,11 +80,14 @@ static int pwm_vibrator_start(struct pwm_vibrator *vibrator)

static void pwm_vibrator_stop(struct pwm_vibrator *vibrator)
{
- regulator_disable(vibrator->vcc);
-
if (vibrator->pwm_dir)
pwm_disable(vibrator->pwm_dir);
pwm_disable(vibrator->pwm);
+
+ if (vibrator->vcc_on) {
+ regulator_disable(vibrator->vcc);
+ vibrator->vcc_on = false;
+ }
}

static void pwm_vibrator_play_work(struct work_struct *work)
diff --git a/drivers/input/serio/ps2-gpio.c b/drivers/input/serio/ps2-gpio.c
index b50e3817f3c4..4a64ab30589c 100644
--- a/drivers/input/serio/ps2-gpio.c
+++ b/drivers/input/serio/ps2-gpio.c
@@ -76,6 +76,7 @@ static void ps2_gpio_close(struct serio *serio)
{
struct ps2_gpio_data *drvdata = serio->port_data;

+ flush_delayed_work(&drvdata->tx_work);
disable_irq(drvdata->irq);
}

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index d8ecc90ed1b5..121fb552f873 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1708,6 +1708,8 @@ static int its_alloc_tables(struct its_node *its)
indirect = its_parse_indirect_baser(its, baser,
psz, &order,
its->device_ids);
+ break;
+
case GITS_BASER_TYPE_VCPU:
indirect = its_parse_indirect_baser(its, baser,
psz, &order,
diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index f052a3eb2098..7e3ed2714630 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1381,9 +1381,9 @@ static void flexrm_shutdown(struct mbox_chan *chan)

/* Clear ring flush state */
timeout = 1000; /* timeout of 1s */
- writel_relaxed(0x0, ring + RING_CONTROL);
+ writel_relaxed(0x0, ring->regs + RING_CONTROL);
do {
- if (!(readl_relaxed(ring + RING_FLUSH_DONE) &
+ if (!(readl_relaxed(ring->regs + RING_FLUSH_DONE) &
FLUSH_DONE_MASK))
break;
mdelay(1);
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index 151544740148..973847e027a8 100644
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -69,6 +69,9 @@ static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,
in_use > CUTOFF_WRITEBACK_SYNC)
return false;

+ if (bio_op(bio) == REQ_OP_DISCARD)
+ return false;
+
if (dc->partial_stripes_expensive &&
bcache_dev_stripe_dirty(dc, bio->bi_iter.bi_sector,
bio_sectors(bio)))
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index b10e4c5641ea..da4baea9cf83 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1276,8 +1276,8 @@ static void integrity_metadata(struct work_struct *w)
checksums_ptr - checksums, !dio->write ? TAG_CMP : TAG_WRITE);
if (unlikely(r)) {
if (r > 0) {
- DMERR("Checksum failed at sector 0x%llx",
- (unsigned long long)(sector - ((r + ic->tag_size - 1) / ic->tag_size)));
+ DMERR_LIMIT("Checksum failed at sector 0x%llx",
+ (unsigned long long)(sector - ((r + ic->tag_size - 1) / ic->tag_size)));
r = -EILSEQ;
atomic64_inc(&ic->number_of_mismatches);
}
@@ -1469,8 +1469,8 @@ static bool __journal_read_write(struct dm_integrity_io *dio, struct bio *bio,

integrity_sector_checksum(ic, logical_sector, mem + bv.bv_offset, checksums_onstack);
if (unlikely(memcmp(checksums_onstack, journal_entry_tag(ic, je), ic->tag_size))) {
- DMERR("Checksum failed when reading from journal, at sector 0x%llx",
- (unsigned long long)logical_sector);
+ DMERR_LIMIT("Checksum failed when reading from journal, at sector 0x%llx",
+ (unsigned long long)logical_sector);
}
}
#endif
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ed1b7bf1ec0e..433e78f453da 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3821,6 +3821,8 @@ static int raid10_run(struct mddev *mddev)
set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
mddev->sync_thread = md_register_thread(md_do_sync, mddev,
"reshape");
+ if (!mddev->sync_thread)
+ goto out_free_conf;
}

return 0;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 7dbb74cd506a..77a482c6eeda 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7370,6 +7370,8 @@ static int raid5_run(struct mddev *mddev)
set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
mddev->sync_thread = md_register_thread(md_do_sync, mddev,
"reshape");
+ if (!mddev->sync_thread)
+ goto abort;
}

/* Ok, everything is just fine now */
diff --git a/drivers/media/platform/vimc/Makefile b/drivers/media/platform/vimc/Makefile
index 4b2e3de7856e..c4fc8e7d365a 100644
--- a/drivers/media/platform/vimc/Makefile
+++ b/drivers/media/platform/vimc/Makefile
@@ -5,6 +5,7 @@ vimc_common-objs := vimc-common.o
vimc_debayer-objs := vimc-debayer.o
vimc_scaler-objs := vimc-scaler.o
vimc_sensor-objs := vimc-sensor.o
+vimc_streamer-objs := vimc-streamer.o

obj-$(CONFIG_VIDEO_VIMC) += vimc.o vimc_capture.o vimc_common.o vimc-debayer.o \
- vimc_scaler.o vimc_sensor.o
+ vimc_scaler.o vimc_sensor.o vimc_streamer.o
diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c
index 88a1e5670c72..a078ad18909a 100644
--- a/drivers/media/platform/vimc/vimc-capture.c
+++ b/drivers/media/platform/vimc/vimc-capture.c
@@ -23,6 +23,7 @@
#include <media/videobuf2-vmalloc.h>

#include "vimc-common.h"
+#include "vimc-streamer.h"

#define VIMC_CAP_DRV_NAME "vimc-capture"

@@ -43,7 +44,7 @@ struct vimc_cap_device {
spinlock_t qlock;
struct mutex lock;
u32 sequence;
- struct media_pipeline pipe;
+ struct vimc_stream stream;
};

static const struct v4l2_pix_format fmt_default = {
@@ -247,14 +248,13 @@ static int vimc_cap_start_streaming(struct vb2_queue *vq, unsigned int count)
vcap->sequence = 0;

/* Start the media pipeline */
- ret = media_pipeline_start(entity, &vcap->pipe);
+ ret = media_pipeline_start(entity, &vcap->stream.pipe);
if (ret) {
vimc_cap_return_all_buffers(vcap, VB2_BUF_STATE_QUEUED);
return ret;
}

- /* Enable streaming from the pipe */
- ret = vimc_pipeline_s_stream(&vcap->vdev.entity, 1);
+ ret = vimc_streamer_s_stream(&vcap->stream, &vcap->ved, 1);
if (ret) {
media_pipeline_stop(entity);
vimc_cap_return_all_buffers(vcap, VB2_BUF_STATE_QUEUED);
@@ -272,8 +272,7 @@ static void vimc_cap_stop_streaming(struct vb2_queue *vq)
{
struct vimc_cap_device *vcap = vb2_get_drv_priv(vq);

- /* Disable streaming from the pipe */
- vimc_pipeline_s_stream(&vcap->vdev.entity, 0);
+ vimc_streamer_s_stream(&vcap->stream, &vcap->ved, 0);

/* Stop the media pipeline */
media_pipeline_stop(&vcap->vdev.entity);
@@ -354,8 +353,8 @@ static void vimc_cap_comp_unbind(struct device *comp, struct device *master,
kfree(vcap);
}

-static void vimc_cap_process_frame(struct vimc_ent_device *ved,
- struct media_pad *sink, const void *frame)
+static void *vimc_cap_process_frame(struct vimc_ent_device *ved,
+ const void *frame)
{
struct vimc_cap_device *vcap = container_of(ved, struct vimc_cap_device,
ved);
@@ -369,7 +368,7 @@ static void vimc_cap_process_frame(struct vimc_ent_device *ved,
typeof(*vimc_buf), list);
if (!vimc_buf) {
spin_unlock(&vcap->qlock);
- return;
+ return ERR_PTR(-EAGAIN);
}

/* Remove this entry from the list */
@@ -390,6 +389,7 @@ static void vimc_cap_process_frame(struct vimc_ent_device *ved,
vb2_set_plane_payload(&vimc_buf->vb2.vb2_buf, 0,
vcap->format.sizeimage);
vb2_buffer_done(&vimc_buf->vb2.vb2_buf, VB2_BUF_STATE_DONE);
+ return NULL;
}

static int vimc_cap_comp_bind(struct device *comp, struct device *master,
diff --git a/drivers/media/platform/vimc/vimc-common.c b/drivers/media/platform/vimc/vimc-common.c
index 9d63c84a9876..743554de724d 100644
--- a/drivers/media/platform/vimc/vimc-common.c
+++ b/drivers/media/platform/vimc/vimc-common.c
@@ -207,41 +207,6 @@ const struct vimc_pix_map *vimc_pix_map_by_pixelformat(u32 pixelformat)
}
EXPORT_SYMBOL_GPL(vimc_pix_map_by_pixelformat);

-int vimc_propagate_frame(struct media_pad *src, const void *frame)
-{
- struct media_link *link;
-
- if (!(src->flags & MEDIA_PAD_FL_SOURCE))
- return -EINVAL;
-
- /* Send this frame to all sink pads that are direct linked */
- list_for_each_entry(link, &src->entity->links, list) {
- if (link->source == src &&
- (link->flags & MEDIA_LNK_FL_ENABLED)) {
- struct vimc_ent_device *ved = NULL;
- struct media_entity *entity = link->sink->entity;
-
- if (is_media_entity_v4l2_subdev(entity)) {
- struct v4l2_subdev *sd =
- container_of(entity, struct v4l2_subdev,
- entity);
- ved = v4l2_get_subdevdata(sd);
- } else if (is_media_entity_v4l2_video_device(entity)) {
- struct video_device *vdev =
- container_of(entity,
- struct video_device,
- entity);
- ved = video_get_drvdata(vdev);
- }
- if (ved && ved->process_frame)
- ved->process_frame(ved, link->sink, frame);
- }
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(vimc_propagate_frame);
-
/* Helper function to allocate and initialize pads */
struct media_pad *vimc_pads_init(u16 num_pads, const unsigned long *pads_flag)
{
diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h
index dca528a316e7..d7c5f4616abb 100644
--- a/drivers/media/platform/vimc/vimc-common.h
+++ b/drivers/media/platform/vimc/vimc-common.h
@@ -108,23 +108,12 @@ struct vimc_pix_map {
struct vimc_ent_device {
struct media_entity *ent;
struct media_pad *pads;
- void (*process_frame)(struct vimc_ent_device *ved,
- struct media_pad *sink, const void *frame);
+ void * (*process_frame)(struct vimc_ent_device *ved,
+ const void *frame);
void (*vdev_get_format)(struct vimc_ent_device *ved,
struct v4l2_pix_format *fmt);
};

-/**
- * vimc_propagate_frame - propagate a frame through the topology
- *
- * @src: the source pad where the frame is being originated
- * @frame: the frame to be propagated
- *
- * This function will call the process_frame callback from the vimc_ent_device
- * struct of the nodes directly connected to the @src pad
- */
-int vimc_propagate_frame(struct media_pad *src, const void *frame);
-
/**
* vimc_pads_init - initialize pads
*
diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c
index 4d663e89d33f..c4e674f665b2 100644
--- a/drivers/media/platform/vimc/vimc-debayer.c
+++ b/drivers/media/platform/vimc/vimc-debayer.c
@@ -320,7 +320,6 @@ static void vimc_deb_set_rgb_mbus_fmt_rgb888_1x24(struct vimc_deb_device *vdeb,
static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable)
{
struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
- int ret;

if (enable) {
const struct vimc_pix_map *vpix;
@@ -350,22 +349,10 @@ static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable)
if (!vdeb->src_frame)
return -ENOMEM;

- /* Turn the stream on in the subdevices directly connected */
- ret = vimc_pipeline_s_stream(&vdeb->sd.entity, 1);
- if (ret) {
- vfree(vdeb->src_frame);
- vdeb->src_frame = NULL;
- return ret;
- }
} else {
if (!vdeb->src_frame)
return 0;

- /* Disable streaming from the pipe */
- ret = vimc_pipeline_s_stream(&vdeb->sd.entity, 0);
- if (ret)
- return ret;
-
vfree(vdeb->src_frame);
vdeb->src_frame = NULL;
}
@@ -479,9 +466,8 @@ static void vimc_deb_calc_rgb_sink(struct vimc_deb_device *vdeb,
}
}

-static void vimc_deb_process_frame(struct vimc_ent_device *ved,
- struct media_pad *sink,
- const void *sink_frame)
+static void *vimc_deb_process_frame(struct vimc_ent_device *ved,
+ const void *sink_frame)
{
struct vimc_deb_device *vdeb = container_of(ved, struct vimc_deb_device,
ved);
@@ -490,7 +476,7 @@ static void vimc_deb_process_frame(struct vimc_ent_device *ved,

/* If the stream in this node is not active, just return */
if (!vdeb->src_frame)
- return;
+ return ERR_PTR(-EINVAL);

for (i = 0; i < vdeb->sink_fmt.height; i++)
for (j = 0; j < vdeb->sink_fmt.width; j++) {
@@ -498,12 +484,8 @@ static void vimc_deb_process_frame(struct vimc_ent_device *ved,
vdeb->set_rgb_src(vdeb, i, j, rgb);
}

- /* Propagate the frame through all source pads */
- for (i = 1; i < vdeb->sd.entity.num_pads; i++) {
- struct media_pad *pad = &vdeb->sd.entity.pads[i];
+ return vdeb->src_frame;

- vimc_propagate_frame(pad, vdeb->src_frame);
- }
}

static void vimc_deb_comp_unbind(struct device *comp, struct device *master,
diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c
index e1602e0bc230..b763d87f4b4b 100644
--- a/drivers/media/platform/vimc/vimc-scaler.c
+++ b/drivers/media/platform/vimc/vimc-scaler.c
@@ -216,7 +216,6 @@ static const struct v4l2_subdev_pad_ops vimc_sca_pad_ops = {
static int vimc_sca_s_stream(struct v4l2_subdev *sd, int enable)
{
struct vimc_sca_device *vsca = v4l2_get_subdevdata(sd);
- int ret;

if (enable) {
const struct vimc_pix_map *vpix;
@@ -244,22 +243,10 @@ static int vimc_sca_s_stream(struct v4l2_subdev *sd, int enable)
if (!vsca->src_frame)
return -ENOMEM;

- /* Turn the stream on in the subdevices directly connected */
- ret = vimc_pipeline_s_stream(&vsca->sd.entity, 1);
- if (ret) {
- vfree(vsca->src_frame);
- vsca->src_frame = NULL;
- return ret;
- }
} else {
if (!vsca->src_frame)
return 0;

- /* Disable streaming from the pipe */
- ret = vimc_pipeline_s_stream(&vsca->sd.entity, 0);
- if (ret)
- return ret;
-
vfree(vsca->src_frame);
vsca->src_frame = NULL;
}
@@ -345,26 +332,19 @@ static void vimc_sca_fill_src_frame(const struct vimc_sca_device *const vsca,
vimc_sca_scale_pix(vsca, i, j, sink_frame);
}

-static void vimc_sca_process_frame(struct vimc_ent_device *ved,
- struct media_pad *sink,
- const void *sink_frame)
+static void *vimc_sca_process_frame(struct vimc_ent_device *ved,
+ const void *sink_frame)
{
struct vimc_sca_device *vsca = container_of(ved, struct vimc_sca_device,
ved);
- unsigned int i;

/* If the stream in this node is not active, just return */
if (!vsca->src_frame)
- return;
+ return ERR_PTR(-EINVAL);

vimc_sca_fill_src_frame(vsca, sink_frame);

- /* Propagate the frame through all source pads */
- for (i = 1; i < vsca->sd.entity.num_pads; i++) {
- struct media_pad *pad = &vsca->sd.entity.pads[i];
-
- vimc_propagate_frame(pad, vsca->src_frame);
- }
+ return vsca->src_frame;
};

static void vimc_sca_comp_unbind(struct device *comp, struct device *master,
diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
index 02e68c8fc02b..70cee5c0c89a 100644
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ b/drivers/media/platform/vimc/vimc-sensor.c
@@ -16,8 +16,6 @@
*/

#include <linux/component.h>
-#include <linux/freezer.h>
-#include <linux/kthread.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/v4l2-mediabus.h>
@@ -197,38 +195,27 @@ static const struct v4l2_subdev_pad_ops vimc_sen_pad_ops = {
.set_fmt = vimc_sen_set_fmt,
};

-static int vimc_sen_tpg_thread(void *data)
+static void *vimc_sen_process_frame(struct vimc_ent_device *ved,
+ const void *sink_frame)
{
- struct vimc_sen_device *vsen = data;
- unsigned int i;
-
- set_freezable();
- set_current_state(TASK_UNINTERRUPTIBLE);
-
- for (;;) {
- try_to_freeze();
- if (kthread_should_stop())
- break;
-
- tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
+ struct vimc_sen_device *vsen = container_of(ved, struct vimc_sen_device,
+ ved);
+ const struct vimc_pix_map *vpix;
+ unsigned int frame_size;

- /* Send the frame to all source pads */
- for (i = 0; i < vsen->sd.entity.num_pads; i++)
- vimc_propagate_frame(&vsen->sd.entity.pads[i],
- vsen->frame);
+ /* Calculate the frame size */
+ vpix = vimc_pix_map_by_code(vsen->mbus_format.code);
+ frame_size = vsen->mbus_format.width * vpix->bpp *
+ vsen->mbus_format.height;

- /* 60 frames per second */
- schedule_timeout(HZ/60);
- }
-
- return 0;
+ tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
+ return vsen->frame;
}

static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
{
struct vimc_sen_device *vsen =
container_of(sd, struct vimc_sen_device, sd);
- int ret;

if (enable) {
const struct vimc_pix_map *vpix;
@@ -254,26 +241,8 @@ static int vimc_sen_s_stream(struct v4l2_subdev *sd, int enable)
/* configure the test pattern generator */
vimc_sen_tpg_s_format(vsen);

- /* Initialize the image generator thread */
- vsen->kthread_sen = kthread_run(vimc_sen_tpg_thread, vsen,
- "%s-sen", vsen->sd.v4l2_dev->name);
- if (IS_ERR(vsen->kthread_sen)) {
- dev_err(vsen->dev, "%s: kernel_thread() failed\n",
- vsen->sd.name);
- vfree(vsen->frame);
- vsen->frame = NULL;
- return PTR_ERR(vsen->kthread_sen);
- }
} else {
- if (!vsen->kthread_sen)
- return 0;
-
- /* Stop image generator */
- ret = kthread_stop(vsen->kthread_sen);
- if (ret)
- return ret;

- vsen->kthread_sen = NULL;
vfree(vsen->frame);
vsen->frame = NULL;
return 0;
@@ -325,6 +294,7 @@ static int vimc_sen_comp_bind(struct device *comp, struct device *master,
if (ret)
goto err_free_vsen;

+ vsen->ved.process_frame = vimc_sen_process_frame;
dev_set_drvdata(comp, &vsen->ved);
vsen->dev = comp;

diff --git a/drivers/media/platform/vimc/vimc-streamer.c b/drivers/media/platform/vimc/vimc-streamer.c
new file mode 100644
index 000000000000..fcc897fb247b
--- /dev/null
+++ b/drivers/media/platform/vimc/vimc-streamer.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * vimc-streamer.c Virtual Media Controller Driver
+ *
+ * Copyright (C) 2018 Lucas A. M. Magalhães <lucmaga@gmail.com>
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/freezer.h>
+#include <linux/kthread.h>
+
+#include "vimc-streamer.h"
+
+/**
+ * vimc_get_source_entity - get the entity connected with the first sink pad
+ *
+ * @ent: reference media_entity
+ *
+ * Helper function that returns the media entity containing the source pad
+ * linked with the first sink pad from the given media entity pad list.
+ */
+static struct media_entity *vimc_get_source_entity(struct media_entity *ent)
+{
+ struct media_pad *pad;
+ int i;
+
+ for (i = 0; i < ent->num_pads; i++) {
+ if (ent->pads[i].flags & MEDIA_PAD_FL_SOURCE)
+ continue;
+ pad = media_entity_remote_pad(&ent->pads[i]);
+ return pad ? pad->entity : NULL;
+ }
+ return NULL;
+}
+
+/*
+ * vimc_streamer_pipeline_terminate - Disable stream in all ved in stream
+ *
+ * @stream: the pointer to the stream structure with the pipeline to be
+ * disabled.
+ *
+ * Calls s_stream to disable the stream in each entity of the pipeline
+ *
+ */
+static void vimc_streamer_pipeline_terminate(struct vimc_stream *stream)
+{
+ struct media_entity *entity;
+ struct v4l2_subdev *sd;
+
+ while (stream->pipe_size) {
+ stream->pipe_size--;
+ entity = stream->ved_pipeline[stream->pipe_size]->ent;
+ entity = vimc_get_source_entity(entity);
+ stream->ved_pipeline[stream->pipe_size] = NULL;
+
+ if (!is_media_entity_v4l2_subdev(entity))
+ continue;
+
+ sd = media_entity_to_v4l2_subdev(entity);
+ v4l2_subdev_call(sd, video, s_stream, 0);
+ }
+}
+
+/*
+ * vimc_streamer_pipeline_init - initializes the stream structure
+ *
+ * @stream: the pointer to the stream structure to be initialized
+ * @ved: the pointer to the vimc entity initializing the stream
+ *
+ * Initializes the stream structure. Walks through the entity graph to
+ * construct the pipeline used later on the streamer thread.
+ * Calls s_stream to enable stream in all entities of the pipeline.
+ */
+static int vimc_streamer_pipeline_init(struct vimc_stream *stream,
+ struct vimc_ent_device *ved)
+{
+ struct media_entity *entity;
+ struct video_device *vdev;
+ struct v4l2_subdev *sd;
+ int ret = 0;
+
+ stream->pipe_size = 0;
+ while (stream->pipe_size < VIMC_STREAMER_PIPELINE_MAX_SIZE) {
+ if (!ved) {
+ vimc_streamer_pipeline_terminate(stream);
+ return -EINVAL;
+ }
+ stream->ved_pipeline[stream->pipe_size++] = ved;
+
+ entity = vimc_get_source_entity(ved->ent);
+ /* Check if the end of the pipeline was reached*/
+ if (!entity)
+ return 0;
+
+ if (is_media_entity_v4l2_subdev(entity)) {
+ sd = media_entity_to_v4l2_subdev(entity);
+ ret = v4l2_subdev_call(sd, video, s_stream, 1);
+ if (ret && ret != -ENOIOCTLCMD) {
+ vimc_streamer_pipeline_terminate(stream);
+ return ret;
+ }
+ ved = v4l2_get_subdevdata(sd);
+ } else {
+ vdev = container_of(entity,
+ struct video_device,
+ entity);
+ ved = video_get_drvdata(vdev);
+ }
+ }
+
+ vimc_streamer_pipeline_terminate(stream);
+ return -EINVAL;
+}
+
+static int vimc_streamer_thread(void *data)
+{
+ struct vimc_stream *stream = data;
+ int i;
+
+ set_freezable();
+ set_current_state(TASK_UNINTERRUPTIBLE);
+
+ for (;;) {
+ try_to_freeze();
+ if (kthread_should_stop())
+ break;
+
+ for (i = stream->pipe_size - 1; i >= 0; i--) {
+ stream->frame = stream->ved_pipeline[i]->process_frame(
+ stream->ved_pipeline[i],
+ stream->frame);
+ if (!stream->frame)
+ break;
+ if (IS_ERR(stream->frame))
+ break;
+ }
+ //wait for 60hz
+ schedule_timeout(HZ / 60);
+ }
+
+ return 0;
+}
+
+int vimc_streamer_s_stream(struct vimc_stream *stream,
+ struct vimc_ent_device *ved,
+ int enable)
+{
+ int ret;
+
+ if (!stream || !ved)
+ return -EINVAL;
+
+ if (enable) {
+ if (stream->kthread)
+ return 0;
+
+ ret = vimc_streamer_pipeline_init(stream, ved);
+ if (ret)
+ return ret;
+
+ stream->kthread = kthread_run(vimc_streamer_thread, stream,
+ "vimc-streamer thread");
+
+ if (IS_ERR(stream->kthread))
+ return PTR_ERR(stream->kthread);
+
+ } else {
+ if (!stream->kthread)
+ return 0;
+
+ ret = kthread_stop(stream->kthread);
+ if (ret)
+ return ret;
+
+ stream->kthread = NULL;
+
+ vimc_streamer_pipeline_terminate(stream);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(vimc_streamer_s_stream);
+
+MODULE_DESCRIPTION("Virtual Media Controller Driver (VIMC) Streamer");
+MODULE_AUTHOR("Lucas A. M. Magalhães <lucmaga@gmail.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/platform/vimc/vimc-streamer.h b/drivers/media/platform/vimc/vimc-streamer.h
new file mode 100644
index 000000000000..752af2e2d5a2
--- /dev/null
+++ b/drivers/media/platform/vimc/vimc-streamer.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * vimc-streamer.h Virtual Media Controller Driver
+ *
+ * Copyright (C) 2018 Lucas A. M. Magalhães <lucmaga@gmail.com>
+ *
+ */
+
+#ifndef _VIMC_STREAMER_H_
+#define _VIMC_STREAMER_H_
+
+#include <media/media-device.h>
+
+#include "vimc-common.h"
+
+#define VIMC_STREAMER_PIPELINE_MAX_SIZE 16
+
+struct vimc_stream {
+ struct media_pipeline pipe;
+ struct vimc_ent_device *ved_pipeline[VIMC_STREAMER_PIPELINE_MAX_SIZE];
+ unsigned int pipe_size;
+ u8 *frame;
+ struct task_struct *kthread;
+};
+
+/**
+ * vimc_streamer_s_streamer - start/stop the stream
+ *
+ * @stream: the pointer to the stream to start or stop
+ * @ved: The last entity of the streamer pipeline
+ * @enable: any non-zero number start the stream, zero stop
+ *
+ */
+int vimc_streamer_s_stream(struct vimc_stream *stream,
+ struct vimc_ent_device *ved,
+ int enable);
+
+#endif //_VIMC_STREAMER_H_
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index a6d800291883..393371916381 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -638,6 +638,14 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
if (!uvc_hw_timestamps_param)
return;

+ /*
+ * We will get called from __vb2_queue_cancel() if there are buffers
+ * done but not dequeued by the user, but the sample array has already
+ * been released at that time. Just bail out in that case.
+ */
+ if (!clock->samples)
+ return;
+
spin_lock_irqsave(&clock->lock, flags);

if (clock->count < clock->size)
diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c
index 0c0669976bdc..69ca8debb711 100644
--- a/drivers/media/v4l2-core/videobuf2-v4l2.c
+++ b/drivers/media/v4l2-core/videobuf2-v4l2.c
@@ -145,7 +145,6 @@ static void vb2_warn_zero_bytesused(struct vb2_buffer *vb)
return;

check_once = true;
- WARN_ON(1);

pr_warn("use of bytesused == 0 is deprecated and will be removed in the future,\n");
if (vb->vb2_queue->allow_zero_bytesused)
diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c
index f58b4b6c79f2..1a64eb185cfd 100644
--- a/drivers/misc/cxl/guest.c
+++ b/drivers/misc/cxl/guest.c
@@ -267,6 +267,7 @@ static int guest_reset(struct cxl *adapter)
int i, rc;

pr_devel("Adapter reset request\n");
+ spin_lock(&adapter->afu_list_lock);
for (i = 0; i < adapter->slices; i++) {
if ((afu = adapter->afu[i])) {
pci_error_handlers(afu, CXL_ERROR_DETECTED_EVENT,
@@ -283,6 +284,7 @@ static int guest_reset(struct cxl *adapter)
pci_error_handlers(afu, CXL_RESUME_EVENT, 0);
}
}
+ spin_unlock(&adapter->afu_list_lock);
return rc;
}

diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 2b3fd0a51701..cf069e11d2d2 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -2050,7 +2050,7 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu,
/* There should only be one entry, but go through the list
* anyway
*/
- if (afu->phb == NULL)
+ if (afu == NULL || afu->phb == NULL)
return result;

list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) {
@@ -2077,7 +2077,8 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
{
struct cxl *adapter = pci_get_drvdata(pdev);
struct cxl_afu *afu;
- pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET, afu_result;
+ pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET;
+ pci_ers_result_t afu_result = PCI_ERS_RESULT_NEED_RESET;
int i;

/* At this point, we could still have an interrupt pending.
@@ -2088,6 +2089,7 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,

/* If we're permanently dead, give up. */
if (state == pci_channel_io_perm_failure) {
+ spin_lock(&adapter->afu_list_lock);
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];
/*
@@ -2096,6 +2098,7 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
*/
cxl_vphb_error_detected(afu, state);
}
+ spin_unlock(&adapter->afu_list_lock);
return PCI_ERS_RESULT_DISCONNECT;
}

@@ -2177,11 +2180,17 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
* * In slot_reset, free the old resources and allocate new ones.
* * In resume, clear the flag to allow things to start.
*/
+
+ /* Make sure no one else changes the afu list */
+ spin_lock(&adapter->afu_list_lock);
+
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];

- afu_result = cxl_vphb_error_detected(afu, state);
+ if (afu == NULL)
+ continue;

+ afu_result = cxl_vphb_error_detected(afu, state);
cxl_context_detach_all(afu);
cxl_ops->afu_deactivate_mode(afu, afu->current_mode);
pci_deconfigure_afu(afu);
@@ -2193,6 +2202,7 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
(result == PCI_ERS_RESULT_NEED_RESET))
result = PCI_ERS_RESULT_NONE;
}
+ spin_unlock(&adapter->afu_list_lock);

/* should take the context lock here */
if (cxl_adapter_context_lock(adapter) != 0)
@@ -2225,14 +2235,18 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev)
*/
cxl_adapter_context_unlock(adapter);

+ spin_lock(&adapter->afu_list_lock);
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];

+ if (afu == NULL)
+ continue;
+
if (pci_configure_afu(afu, adapter, pdev))
- goto err;
+ goto err_unlock;

if (cxl_afu_select_best_mode(afu))
- goto err;
+ goto err_unlock;

if (afu->phb == NULL)
continue;
@@ -2244,16 +2258,16 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev)
ctx = cxl_get_context(afu_dev);

if (ctx && cxl_release_context(ctx))
- goto err;
+ goto err_unlock;

ctx = cxl_dev_context_init(afu_dev);
if (IS_ERR(ctx))
- goto err;
+ goto err_unlock;

afu_dev->dev.archdata.cxl_ctx = ctx;

if (cxl_ops->afu_check_and_enable(afu))
- goto err;
+ goto err_unlock;

afu_dev->error_state = pci_channel_io_normal;

@@ -2274,8 +2288,13 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev)
result = PCI_ERS_RESULT_DISCONNECT;
}
}
+
+ spin_unlock(&adapter->afu_list_lock);
return result;

+err_unlock:
+ spin_unlock(&adapter->afu_list_lock);
+
err:
/* All the bits that happen in both error_detected and cxl_remove
* should be idempotent, so we don't need to worry about leaving a mix
@@ -2296,10 +2315,11 @@ static void cxl_pci_resume(struct pci_dev *pdev)
* This is not the place to be checking if everything came back up
* properly, because there's no return value: do that in slot_reset.
*/
+ spin_lock(&adapter->afu_list_lock);
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];

- if (afu->phb == NULL)
+ if (afu == NULL || afu->phb == NULL)
continue;

list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) {
@@ -2308,6 +2328,7 @@ static void cxl_pci_resume(struct pci_dev *pdev)
afu_dev->driver->err_handler->resume(afu_dev);
}
}
+ spin_unlock(&adapter->afu_list_lock);
}

static const struct pci_error_handlers cxl_err_handler = {
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 59041f07b53c..ff5c4ad37a3a 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -961,6 +961,7 @@ static void esdhc_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
case MMC_TIMING_UHS_SDR25:
case MMC_TIMING_UHS_SDR50:
case MMC_TIMING_UHS_SDR104:
+ case MMC_TIMING_MMC_HS:
case MMC_TIMING_MMC_HS200:
writel(m, host->ioaddr + ESDHC_MIX_CTRL);
break;
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
index 77a1c03255de..225b4d452e0e 100644
--- a/drivers/net/ethernet/atheros/atlx/atl2.c
+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
@@ -1334,13 +1334,11 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev;
struct atl2_adapter *adapter;
- static int cards_found;
+ static int cards_found = 0;
unsigned long mmio_start;
int mmio_len;
int err;

- cards_found = 0;
-
err = pci_enable_device(pdev);
if (err)
return err;
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index ed3edb17fd09..79018fea7be2 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -134,6 +134,10 @@ static int bcm_sysport_set_rx_csum(struct net_device *dev,

priv->rx_chk_en = !!(wanted & NETIF_F_RXCSUM);
reg = rxchk_readl(priv, RXCHK_CONTROL);
+ /* Clear L2 header checks, which would prevent BPDUs
+ * from being received.
+ */
+ reg &= ~RXCHK_L2_HDR_DIS;
if (priv->rx_chk_en)
reg |= RXCHK_EN;
else
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index d89ec4724efd..819f38a3225d 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -1030,7 +1030,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
case NIC_MBOX_MSG_CFG_DONE:
/* Last message of VF config msg sequence */
nic_enable_vf(nic, vf, true);
- goto unlock;
+ break;
case NIC_MBOX_MSG_SHUTDOWN:
/* First msg in VF teardown sequence */
if (vf >= nic->num_vf_en)
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index f13256af8031..59b62b49ad48 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -166,6 +166,17 @@ static int nicvf_check_pf_ready(struct nicvf *nic)
return 1;
}

+static void nicvf_send_cfg_done(struct nicvf *nic)
+{
+ union nic_mbx mbx = {};
+
+ mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE;
+ if (nicvf_send_msg_to_pf(nic, &mbx)) {
+ netdev_err(nic->netdev,
+ "PF didn't respond to CFG DONE msg\n");
+ }
+}
+
static void nicvf_read_bgx_stats(struct nicvf *nic, struct bgx_stats_msg *bgx)
{
if (bgx->rx)
@@ -1329,7 +1340,6 @@ int nicvf_open(struct net_device *netdev)
struct nicvf *nic = netdev_priv(netdev);
struct queue_set *qs = nic->qs;
struct nicvf_cq_poll *cq_poll = NULL;
- union nic_mbx mbx = {};

netif_carrier_off(netdev);

@@ -1419,8 +1429,7 @@ int nicvf_open(struct net_device *netdev)
nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx);

/* Send VF config done msg to PF */
- mbx.msg.msg = NIC_MBOX_MSG_CFG_DONE;
- nicvf_write_to_mbx(nic, &mbx);
+ nicvf_send_cfg_done(nic);

return 0;
cleanup:
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 51d42d7f6074..7e82dfbb4340 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -3074,6 +3074,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset)
dsaf_dev = dev_get_drvdata(&pdev->dev);
if (!dsaf_dev) {
dev_err(&pdev->dev, "dsaf_dev is NULL\n");
+ put_device(&pdev->dev);
return -ENODEV;
}

@@ -3081,6 +3082,7 @@ int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset)
if (AE_IS_VER1(dsaf_dev->dsaf_ver)) {
dev_err(dsaf_dev->dev, "%s v1 chip doesn't support RoCE!\n",
dsaf_dev->ae_dev.name);
+ put_device(&pdev->dev);
return -ENODEV;
}

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 42183a8b649c..01c120d656c5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3827,8 +3827,11 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
else
mrqc = IXGBE_MRQC_VMDQRSS64EN;

- /* Enable L3/L4 for Tx Switched packets */
- mrqc |= IXGBE_MRQC_L3L4TXSWEN;
+ /* Enable L3/L4 for Tx Switched packets only for X550,
+ * older devices do not support this feature
+ */
+ if (hw->mac.type >= ixgbe_mac_X550)
+ mrqc |= IXGBE_MRQC_L3L4TXSWEN;
} else {
if (tcs > 4)
mrqc = IXGBE_MRQC_RTRSS8TCEN;
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 81c1fac00d33..2434409f84b2 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2886,7 +2886,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)

ret = mv643xx_eth_shared_of_probe(pdev);
if (ret)
- return ret;
+ goto err_put_clk;
pd = dev_get_platdata(&pdev->dev);

msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ?
@@ -2894,6 +2894,11 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
infer_hw_params(msp);

return 0;
+
+err_put_clk:
+ if (!IS_ERR(msp->clk))
+ clk_disable_unprepare(msp->clk);
+ return ret;
}

static int mv643xx_eth_shared_remove(struct platform_device *pdev)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 074a5b79d691..f76cbefeb3c7 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2102,7 +2102,7 @@ static int mvneta_rx_hwbm(struct mvneta_port *pp, int rx_todo,
if (unlikely(!skb))
goto err_drop_frame_ret_pool;

- dma_sync_single_range_for_cpu(dev->dev.parent,
+ dma_sync_single_range_for_cpu(&pp->bm_priv->pdev->dev,
rx_desc->buf_phys_addr,
MVNETA_MH_SIZE + NET_SKB_PAD,
rx_bytes,
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
index 239dfbe8a0a1..c1ffec85817a 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c
@@ -756,15 +756,10 @@ wrp_alu64_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,

static int
wrp_alu32_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
- enum alu_op alu_op, bool skip)
+ enum alu_op alu_op)
{
const struct bpf_insn *insn = &meta->insn;

- if (skip) {
- meta->skip = true;
- return 0;
- }
-
wrp_alu_imm(nfp_prog, insn->dst_reg * 2, alu_op, insn->imm);
wrp_immed(nfp_prog, reg_both(insn->dst_reg * 2 + 1), 0);

@@ -1017,7 +1012,7 @@ static int xor_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)

static int xor_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !~meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR);
}

static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1027,7 +1022,7 @@ static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)

static int and_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND, !~meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_AND);
}

static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1037,7 +1032,7 @@ static int or_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)

static int or_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_OR);
}

static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1047,7 +1042,7 @@ static int add_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)

static int add_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_ADD);
}

static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
@@ -1057,7 +1052,7 @@ static int sub_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)

static int sub_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
{
- return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB, !meta->insn.imm);
+ return wrp_alu32_imm(nfp_prog, meta, ALU_OP_SUB);
}

static int shl_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
index eb666877d1aa..bb09f5a9846f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -1651,6 +1651,15 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn,

eth_hlen = ETH_HLEN + (vlan_valid ? sizeof(u32) : 0);

+ if (!ether_addr_equal(ethh->h_dest,
+ p_hwfn->p_rdma_info->iwarp.mac_addr)) {
+ DP_VERBOSE(p_hwfn,
+ QED_MSG_RDMA,
+ "Got unexpected mac %pM instead of %pM\n",
+ ethh->h_dest, p_hwfn->p_rdma_info->iwarp.mac_addr);
+ return -EINVAL;
+ }
+
ether_addr_copy(remote_mac_addr, ethh->h_source);
ether_addr_copy(local_mac_addr, ethh->h_dest);

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 25204d2c9e89..65e47cc52d14 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1193,8 +1193,8 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
{QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */
- {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */
- {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */
+ {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */
+ {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */
{QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */
{QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */
{QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 8f57ca969c9f..27224dc26413 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3241,7 +3241,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
goto out_err;
}

- genlmsg_reply(skb, info);
+ res = genlmsg_reply(skb, info);
break;
}

diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
index e9104eca327b..cae95362efd5 100644
--- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
@@ -433,8 +433,6 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
skb_tail_pointer(skb),
MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);

- cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
-
lbtf_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n",
cardp->rx_urb);
ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC);
diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index de66c02f6140..184149a49b02 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -616,7 +616,7 @@ static const guid_t *to_abstraction_guid(enum nvdimm_claim_class claim_class,

static int __pmem_label_update(struct nd_region *nd_region,
struct nd_mapping *nd_mapping, struct nd_namespace_pmem *nspm,
- int pos)
+ int pos, unsigned long flags)
{
struct nd_namespace_common *ndns = &nspm->nsio.common;
struct nd_interleave_set *nd_set = nd_region->nd_set;
@@ -657,7 +657,7 @@ static int __pmem_label_update(struct nd_region *nd_region,
memcpy(nd_label->uuid, nspm->uuid, NSLABEL_UUID_LEN);
if (nspm->alt_name)
memcpy(nd_label->name, nspm->alt_name, NSLABEL_NAME_LEN);
- nd_label->flags = __cpu_to_le32(NSLABEL_FLAG_UPDATING);
+ nd_label->flags = __cpu_to_le32(flags);
nd_label->nlabel = __cpu_to_le16(nd_region->ndr_mappings);
nd_label->position = __cpu_to_le16(pos);
nd_label->isetcookie = __cpu_to_le64(cookie);
@@ -1111,13 +1111,13 @@ static int del_labels(struct nd_mapping *nd_mapping, u8 *uuid)
int nd_pmem_namespace_label_update(struct nd_region *nd_region,
struct nd_namespace_pmem *nspm, resource_size_t size)
{
- int i;
+ int i, rc;

for (i = 0; i < nd_region->ndr_mappings; i++) {
struct nd_mapping *nd_mapping = &nd_region->mapping[i];
struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
struct resource *res;
- int rc, count = 0;
+ int count = 0;

if (size == 0) {
rc = del_labels(nd_mapping, nspm->uuid);
@@ -1135,7 +1135,20 @@ int nd_pmem_namespace_label_update(struct nd_region *nd_region,
if (rc < 0)
return rc;

- rc = __pmem_label_update(nd_region, nd_mapping, nspm, i);
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i,
+ NSLABEL_FLAG_UPDATING);
+ if (rc)
+ return rc;
+ }
+
+ if (size == 0)
+ return 0;
+
+ /* Clear the UPDATING flag per UEFI 2.7 expectations */
+ for (i = 0; i < nd_region->ndr_mappings; i++) {
+ struct nd_mapping *nd_mapping = &nd_region->mapping[i];
+
+ rc = __pmem_label_update(nd_region, nd_mapping, nspm, i, 0);
if (rc)
return rc;
}
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index 228bafa4d322..50b01d3eadd9 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -138,6 +138,7 @@ bool nd_is_uuid_unique(struct device *dev, u8 *uuid)
bool pmem_should_map_pages(struct device *dev)
{
struct nd_region *nd_region = to_nd_region(dev->parent);
+ struct nd_namespace_common *ndns = to_ndns(dev);
struct nd_namespace_io *nsio;

if (!IS_ENABLED(CONFIG_ZONE_DEVICE))
@@ -149,6 +150,9 @@ bool pmem_should_map_pages(struct device *dev)
if (is_nd_pfn(dev) || is_nd_btt(dev))
return false;

+ if (ndns->force_raw)
+ return false;
+
nsio = to_nd_namespace_io(dev);
if (region_intersects(nsio->res.start, resource_size(&nsio->res),
IORESOURCE_SYSTEM_RAM,
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 6d38191ff0da..b9dad88b8ea3 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -535,7 +535,7 @@ static unsigned long init_altmap_base(resource_size_t base)

static unsigned long init_altmap_reserve(resource_size_t base)
{
- unsigned long reserve = PHYS_PFN(SZ_8K);
+ unsigned long reserve = PFN_UP(SZ_8K);
unsigned long base_pfn = PHYS_PFN(base);

reserve += base_pfn - PFN_SECTION_ALIGN_DOWN(base_pfn);
@@ -618,7 +618,7 @@ static void trim_pfn_device(struct nd_pfn *nd_pfn, u32 *start_pad, u32 *end_trun
if (region_intersects(start, size, IORESOURCE_SYSTEM_RAM,
IORES_DESC_NONE) == REGION_MIXED
|| !IS_ALIGNED(end, nd_pfn->align)
- || nd_region_conflict(nd_region, start, size + adjust))
+ || nd_region_conflict(nd_region, start, size))
*end_trunc = end - phys_pmem_align_down(nd_pfn, end);
}

diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 380916bff9e0..dee5b9e35ffd 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -1377,7 +1377,7 @@ static struct superio_struct *find_superio(struct parport *p)
{
int i;
for (i = 0; i < NR_SUPERIOS; i++)
- if (superios[i].io != p->base)
+ if (superios[i].io == p->base)
return &superios[i];
return NULL;
}
diff --git a/drivers/pinctrl/meson/pinctrl-meson8b.c b/drivers/pinctrl/meson/pinctrl-meson8b.c
index a6fff215e60f..aafd39eba64f 100644
--- a/drivers/pinctrl/meson/pinctrl-meson8b.c
+++ b/drivers/pinctrl/meson/pinctrl-meson8b.c
@@ -668,7 +668,7 @@ static const char * const sd_a_groups[] = {

static const char * const sdxc_a_groups[] = {
"sdxc_d0_0_a", "sdxc_d13_0_a", "sdxc_d47_a", "sdxc_clk_a",
- "sdxc_cmd_a", "sdxc_d0_1_a", "sdxc_d0_13_1_a"
+ "sdxc_cmd_a", "sdxc_d0_1_a", "sdxc_d13_1_a"
};

static const char * const pcm_a_groups[] = {
diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c
index 11a07633de6c..aa469ccc3b14 100644
--- a/drivers/power/supply/cpcap-charger.c
+++ b/drivers/power/supply/cpcap-charger.c
@@ -458,6 +458,7 @@ static void cpcap_usb_detect(struct work_struct *work)
goto out_err;
}

+ power_supply_changed(ddata->usb);
return;

out_err:
diff --git a/drivers/regulator/max77620-regulator.c b/drivers/regulator/max77620-regulator.c
index b94e3a721721..cd93cf53e23c 100644
--- a/drivers/regulator/max77620-regulator.c
+++ b/drivers/regulator/max77620-regulator.c
@@ -1,7 +1,7 @@
/*
* Maxim MAX77620 Regulator driver
*
- * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
*
* Author: Mallikarjun Kasoju <mkasoju@nvidia.com>
* Laxman Dewangan <ldewangan@nvidia.com>
@@ -803,6 +803,14 @@ static int max77620_regulator_probe(struct platform_device *pdev)
rdesc = &rinfo[id].desc;
pmic->rinfo[id] = &max77620_regs_info[id];
pmic->enable_power_mode[id] = MAX77620_POWER_MODE_NORMAL;
+ pmic->reg_pdata[id].active_fps_src = -1;
+ pmic->reg_pdata[id].active_fps_pd_slot = -1;
+ pmic->reg_pdata[id].active_fps_pu_slot = -1;
+ pmic->reg_pdata[id].suspend_fps_src = -1;
+ pmic->reg_pdata[id].suspend_fps_pd_slot = -1;
+ pmic->reg_pdata[id].suspend_fps_pu_slot = -1;
+ pmic->reg_pdata[id].power_ok = -1;
+ pmic->reg_pdata[id].ramp_rate_setting = -1;

ret = max77620_read_slew_rate(pmic, id);
if (ret < 0)
diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c
index 48f0ca90743c..076735a3c85a 100644
--- a/drivers/regulator/s2mpa01.c
+++ b/drivers/regulator/s2mpa01.c
@@ -304,13 +304,13 @@ static const struct regulator_desc regulators[] = {
regulator_desc_ldo(2, STEP_50_MV),
regulator_desc_ldo(3, STEP_50_MV),
regulator_desc_ldo(4, STEP_50_MV),
- regulator_desc_ldo(5, STEP_50_MV),
+ regulator_desc_ldo(5, STEP_25_MV),
regulator_desc_ldo(6, STEP_25_MV),
regulator_desc_ldo(7, STEP_50_MV),
regulator_desc_ldo(8, STEP_50_MV),
regulator_desc_ldo(9, STEP_50_MV),
regulator_desc_ldo(10, STEP_50_MV),
- regulator_desc_ldo(11, STEP_25_MV),
+ regulator_desc_ldo(11, STEP_50_MV),
regulator_desc_ldo(12, STEP_50_MV),
regulator_desc_ldo(13, STEP_50_MV),
regulator_desc_ldo(14, STEP_50_MV),
@@ -321,11 +321,11 @@ static const struct regulator_desc regulators[] = {
regulator_desc_ldo(19, STEP_50_MV),
regulator_desc_ldo(20, STEP_50_MV),
regulator_desc_ldo(21, STEP_50_MV),
- regulator_desc_ldo(22, STEP_25_MV),
- regulator_desc_ldo(23, STEP_25_MV),
+ regulator_desc_ldo(22, STEP_50_MV),
+ regulator_desc_ldo(23, STEP_50_MV),
regulator_desc_ldo(24, STEP_50_MV),
regulator_desc_ldo(25, STEP_50_MV),
- regulator_desc_ldo(26, STEP_50_MV),
+ regulator_desc_ldo(26, STEP_25_MV),
regulator_desc_buck1_4(1),
regulator_desc_buck1_4(2),
regulator_desc_buck1_4(3),
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 7726b874e539..17a816656b92 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -376,7 +376,7 @@ static const struct regulator_desc s2mps11_regulators[] = {
regulator_desc_s2mps11_ldo(32, STEP_50_MV),
regulator_desc_s2mps11_ldo(33, STEP_50_MV),
regulator_desc_s2mps11_ldo(34, STEP_50_MV),
- regulator_desc_s2mps11_ldo(35, STEP_50_MV),
+ regulator_desc_s2mps11_ldo(35, STEP_25_MV),
regulator_desc_s2mps11_ldo(36, STEP_50_MV),
regulator_desc_s2mps11_ldo(37, STEP_50_MV),
regulator_desc_s2mps11_ldo(38, STEP_50_MV),
@@ -386,8 +386,8 @@ static const struct regulator_desc s2mps11_regulators[] = {
regulator_desc_s2mps11_buck1_4(4),
regulator_desc_s2mps11_buck5,
regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
- regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_6_25_MV),
- regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_6_25_MV),
+ regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_12_5_MV),
+ regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_12_5_MV),
regulator_desc_s2mps11_buck9,
regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
};
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 4c7c8455da96..0a1e7f9b5239 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -4463,6 +4463,14 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
usrparm.psf_data &= 0x7fffffffULL;
usrparm.rssd_result &= 0x7fffffffULL;
}
+ /* at least 2 bytes are accessed and should be allocated */
+ if (usrparm.psf_data_len < 2) {
+ DBF_DEV_EVENT(DBF_WARNING, device,
+ "Symmetrix ioctl invalid data length %d",
+ usrparm.psf_data_len);
+ rc = -EINVAL;
+ goto out;
+ }
/* alloc I/O data area */
psf_data = kzalloc(usrparm.psf_data_len, GFP_KERNEL | GFP_DMA);
rssd_result = kzalloc(usrparm.rssd_result_len, GFP_KERNEL | GFP_DMA);
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 0847d05e138b..f9cf676a0469 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -275,6 +275,8 @@ static void virtio_ccw_drop_indicators(struct virtio_ccw_device *vcdev)
{
struct virtio_ccw_vq_info *info;

+ if (!vcdev->airq_info)
+ return;
list_for_each_entry(info, &vcdev->virtqueues, node)
drop_airq_indicator(info->vq, vcdev->airq_info);
}
@@ -416,7 +418,7 @@ static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev,
ret = ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_READ_VQ_CONF);
if (ret)
return ret;
- return vcdev->config_block->num;
+ return vcdev->config_block->num ?: -ENOENT;
}

static void virtio_ccw_del_vq(struct virtqueue *vq, struct ccw1 *ccw)
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 4917649cacd5..053a31c5485f 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -413,13 +413,16 @@ static int aac_slave_configure(struct scsi_device *sdev)
if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
devtype = aac->hba_map[chn][tid].devtype;

- if (devtype == AAC_DEVTYPE_NATIVE_RAW)
+ if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
depth = aac->hba_map[chn][tid].qd_limit;
- else if (devtype == AAC_DEVTYPE_ARC_RAW)
+ set_timeout = 1;
+ goto common_config;
+ }
+ if (devtype == AAC_DEVTYPE_ARC_RAW) {
set_qd_dev_type = true;
-
- set_timeout = 1;
- goto common_config;
+ set_timeout = 1;
+ goto common_config;
+ }
}

if (aac->jbod && (sdev->type == TYPE_DISK))
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 3ff536b350a1..5ea5d42bac76 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1449,7 +1449,13 @@ static int iscsi_xmit_task(struct iscsi_conn *conn)
if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx))
return -ENODATA;

+ spin_lock_bh(&conn->session->back_lock);
+ if (conn->task == NULL) {
+ spin_unlock_bh(&conn->session->back_lock);
+ return -ENODATA;
+ }
__iscsi_get_task(task);
+ spin_unlock_bh(&conn->session->back_lock);
spin_unlock_bh(&conn->session->frwd_lock);
rc = conn->session->tt->xmit_task(task);
spin_lock_bh(&conn->session->frwd_lock);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 048fccc72e03..d0cc8fb40f63 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3077,6 +3077,55 @@ static void sd_read_security(struct scsi_disk *sdkp, unsigned char *buffer)
sdkp->security = 1;
}

+/*
+ * Determine the device's preferred I/O size for reads and writes
+ * unless the reported value is unreasonably small, large, not a
+ * multiple of the physical block size, or simply garbage.
+ */
+static bool sd_validate_opt_xfer_size(struct scsi_disk *sdkp,
+ unsigned int dev_max)
+{
+ struct scsi_device *sdp = sdkp->device;
+ unsigned int opt_xfer_bytes =
+ logical_to_bytes(sdp, sdkp->opt_xfer_blocks);
+
+ if (sdkp->opt_xfer_blocks > dev_max) {
+ sd_first_printk(KERN_WARNING, sdkp,
+ "Optimal transfer size %u logical blocks " \
+ "> dev_max (%u logical blocks)\n",
+ sdkp->opt_xfer_blocks, dev_max);
+ return false;
+ }
+
+ if (sdkp->opt_xfer_blocks > SD_DEF_XFER_BLOCKS) {
+ sd_first_printk(KERN_WARNING, sdkp,
+ "Optimal transfer size %u logical blocks " \
+ "> sd driver limit (%u logical blocks)\n",
+ sdkp->opt_xfer_blocks, SD_DEF_XFER_BLOCKS);
+ return false;
+ }
+
+ if (opt_xfer_bytes < PAGE_SIZE) {
+ sd_first_printk(KERN_WARNING, sdkp,
+ "Optimal transfer size %u bytes < " \
+ "PAGE_SIZE (%u bytes)\n",
+ opt_xfer_bytes, (unsigned int)PAGE_SIZE);
+ return false;
+ }
+
+ if (opt_xfer_bytes & (sdkp->physical_block_size - 1)) {
+ sd_first_printk(KERN_WARNING, sdkp,
+ "Optimal transfer size %u bytes not a " \
+ "multiple of physical block size (%u bytes)\n",
+ opt_xfer_bytes, sdkp->physical_block_size);
+ return false;
+ }
+
+ sd_first_printk(KERN_INFO, sdkp, "Optimal transfer size %u bytes\n",
+ opt_xfer_bytes);
+ return true;
+}
+
/**
* sd_revalidate_disk - called the first time a new disk is seen,
* performs disk spin up, read_capacity, etc.
@@ -3146,15 +3195,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
dev_max = min_not_zero(dev_max, sdkp->max_xfer_blocks);
q->limits.max_dev_sectors = logical_to_sectors(sdp, dev_max);

- /*
- * Determine the device's preferred I/O size for reads and writes
- * unless the reported value is unreasonably small, large, or
- * garbage.
- */
- if (sdkp->opt_xfer_blocks &&
- sdkp->opt_xfer_blocks <= dev_max &&
- sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS &&
- logical_to_bytes(sdp, sdkp->opt_xfer_blocks) >= PAGE_SIZE) {
+ if (sd_validate_opt_xfer_size(sdkp, dev_max)) {
q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks);
rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks);
} else
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 54e3a0f6844c..1f4bd7d0154d 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -638,7 +638,6 @@ static int virtscsi_device_reset(struct scsi_cmnd *sc)
return FAILED;

memset(cmd, 0, sizeof(*cmd));
- cmd->sc = sc;
cmd->req.tmf = (struct virtio_scsi_ctrl_tmf_req){
.type = VIRTIO_SCSI_T_TMF,
.subtype = cpu_to_virtio32(vscsi->vdev,
@@ -697,7 +696,6 @@ static int virtscsi_abort(struct scsi_cmnd *sc)
return FAILED;

memset(cmd, 0, sizeof(*cmd));
- cmd->sc = sc;
cmd->req.tmf = (struct virtio_scsi_ctrl_tmf_req){
.type = VIRTIO_SCSI_T_TMF,
.subtype = VIRTIO_SCSI_T_TMF_ABORT_TASK,
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 3a2e46e49405..c0e915d8da5d 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1698,6 +1698,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
platform_info->enable_dma = false;
} else {
master->can_dma = pxa2xx_spi_can_dma;
+ master->max_dma_len = MAX_DMA_LEN;
}
}

diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index c24d9b45a27c..d0ea62d151c0 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -490,8 +490,8 @@ static void ti_qspi_enable_memory_map(struct spi_device *spi)
ti_qspi_write(qspi, MM_SWITCH, QSPI_SPI_SWITCH_REG);
if (qspi->ctrl_base) {
regmap_update_bits(qspi->ctrl_base, qspi->ctrl_reg,
- MEM_CS_EN(spi->chip_select),
- MEM_CS_MASK);
+ MEM_CS_MASK,
+ MEM_CS_EN(spi->chip_select));
}
qspi->mmap_enabled = true;
}
@@ -503,7 +503,7 @@ static void ti_qspi_disable_memory_map(struct spi_device *spi)
ti_qspi_write(qspi, 0, QSPI_SPI_SWITCH_REG);
if (qspi->ctrl_base)
regmap_update_bits(qspi->ctrl_base, qspi->ctrl_reg,
- 0, MEM_CS_MASK);
+ MEM_CS_MASK, 0);
qspi->mmap_enabled = false;
}

diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
index 111afd34aa3c..22149957afd0 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -676,12 +676,23 @@ static int prp_start(struct prp_priv *priv)
goto out_free_nfb4eof_irq;
}

+ /* start upstream */
+ ret = v4l2_subdev_call(priv->src_sd, video, s_stream, 1);
+ ret = (ret && ret != -ENOIOCTLCMD) ? ret : 0;
+ if (ret) {
+ v4l2_err(&ic_priv->sd,
+ "upstream stream on failed: %d\n", ret);
+ goto out_free_eof_irq;
+ }
+
/* start the EOF timeout timer */
mod_timer(&priv->eof_timeout_timer,
jiffies + msecs_to_jiffies(IMX_MEDIA_EOF_TIMEOUT));

return 0;

+out_free_eof_irq:
+ devm_free_irq(ic_priv->dev, priv->eof_irq, priv);
out_free_nfb4eof_irq:
devm_free_irq(ic_priv->dev, priv->nfb4eof_irq, priv);
out_unsetup:
@@ -713,6 +724,12 @@ static void prp_stop(struct prp_priv *priv)
if (ret == 0)
v4l2_warn(&ic_priv->sd, "wait last EOF timeout\n");

+ /* stop upstream */
+ ret = v4l2_subdev_call(priv->src_sd, video, s_stream, 0);
+ if (ret && ret != -ENOIOCTLCMD)
+ v4l2_warn(&ic_priv->sd,
+ "upstream stream off failed: %d\n", ret);
+
devm_free_irq(ic_priv->dev, priv->eof_irq, priv);
devm_free_irq(ic_priv->dev, priv->nfb4eof_irq, priv);

@@ -1144,15 +1161,6 @@ static int prp_s_stream(struct v4l2_subdev *sd, int enable)
if (ret)
goto out;

- /* start/stop upstream */
- ret = v4l2_subdev_call(priv->src_sd, video, s_stream, enable);
- ret = (ret && ret != -ENOIOCTLCMD) ? ret : 0;
- if (ret) {
- if (enable)
- prp_stop(priv);
- goto out;
- }
-
update_count:
priv->stream_count += enable ? 1 : -1;
if (priv->stream_count < 0)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 83ecb5b2fb9e..69df8b23227a 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -538,7 +538,7 @@ static int csi_idmac_start(struct csi_priv *priv)
return ret;
}

-static void csi_idmac_stop(struct csi_priv *priv)
+static void csi_idmac_wait_last_eof(struct csi_priv *priv)
{
unsigned long flags;
int ret;
@@ -555,7 +555,10 @@ static void csi_idmac_stop(struct csi_priv *priv)
&priv->last_eof_comp, msecs_to_jiffies(IMX_MEDIA_EOF_TIMEOUT));
if (ret == 0)
v4l2_warn(&priv->sd, "wait last EOF timeout\n");
+}

+static void csi_idmac_stop(struct csi_priv *priv)
+{
devm_free_irq(priv->dev, priv->eof_irq, priv);
devm_free_irq(priv->dev, priv->nfb4eof_irq, priv);

@@ -645,10 +648,16 @@ static int csi_start(struct csi_priv *priv)
usleep_range(delay_usec, delay_usec + 1000);
}

+ /* start upstream */
+ ret = v4l2_subdev_call(priv->src_sd, video, s_stream, 1);
+ ret = (ret && ret != -ENOIOCTLCMD) ? ret : 0;
+ if (ret)
+ return ret;
+
if (priv->dest == IPU_CSI_DEST_IDMAC) {
ret = csi_idmac_start(priv);
if (ret)
- return ret;
+ goto stop_upstream;
}

ret = csi_setup(priv);
@@ -676,11 +685,26 @@ static int csi_start(struct csi_priv *priv)
idmac_stop:
if (priv->dest == IPU_CSI_DEST_IDMAC)
csi_idmac_stop(priv);
+stop_upstream:
+ v4l2_subdev_call(priv->src_sd, video, s_stream, 0);
return ret;
}

static void csi_stop(struct csi_priv *priv)
{
+ if (priv->dest == IPU_CSI_DEST_IDMAC)
+ csi_idmac_wait_last_eof(priv);
+
+ /*
+ * Disable the CSI asap, after syncing with the last EOF.
+ * Doing so after the IDMA channel is disabled has shown to
+ * create hard system-wide hangs.
+ */
+ ipu_csi_disable(priv->csi);
+
+ /* stop upstream */
+ v4l2_subdev_call(priv->src_sd, video, s_stream, 0);
+
if (priv->dest == IPU_CSI_DEST_IDMAC) {
csi_idmac_stop(priv);

@@ -688,8 +712,6 @@ static void csi_stop(struct csi_priv *priv)
if (priv->fim)
imx_media_fim_set_stream(priv->fim, NULL, false);
}
-
- ipu_csi_disable(priv->csi);
}

static const struct csi_skip_desc csi_skip[12] = {
@@ -850,23 +872,13 @@ static int csi_s_stream(struct v4l2_subdev *sd, int enable)
goto update_count;

if (enable) {
- /* upstream must be started first, before starting CSI */
- ret = v4l2_subdev_call(priv->src_sd, video, s_stream, 1);
- ret = (ret && ret != -ENOIOCTLCMD) ? ret : 0;
- if (ret)
- goto out;
-
dev_dbg(priv->dev, "stream ON\n");
ret = csi_start(priv);
- if (ret) {
- v4l2_subdev_call(priv->src_sd, video, s_stream, 0);
+ if (ret)
goto out;
- }
} else {
dev_dbg(priv->dev, "stream OFF\n");
- /* CSI must be stopped first, then stop upstream */
csi_stop(priv);
- v4l2_subdev_call(priv->src_sd, video, s_stream, 0);
}

update_count:
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index d2cafdae8317..fb7bd422e2e1 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -4077,9 +4077,9 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn)
struct se_cmd *se_cmd = &cmd->se_cmd;

if (se_cmd->se_tfo != NULL) {
- spin_lock(&se_cmd->t_state_lock);
+ spin_lock_irq(&se_cmd->t_state_lock);
se_cmd->transport_state |= CMD_T_FABRIC_STOP;
- spin_unlock(&se_cmd->t_state_lock);
+ spin_unlock_irq(&se_cmd->t_state_lock);
}
}
spin_unlock_bh(&conn->cmd_lock);
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 3613a6aabfb3..ec510e342e06 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -105,6 +105,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
if (of_property_read_u32(np, "reg-offset", &prop) == 0)
port->mapbase += prop;

+ /* Compatibility with the deprecated pxa driver and 8250_pxa drivers. */
+ if (of_device_is_compatible(np, "mrvl,mmp-uart"))
+ port->regshift = 2;
+
/* Check for registers offset within the devices address range */
if (of_property_read_u32(np, "reg-shift", &prop) == 0)
port->regshift = prop;
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 790375b5eeb2..b31fed7f1679 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -2033,6 +2033,111 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.setup = pci_default_setup,
.exit = pci_plx9050_exit,
},
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SDB,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4S,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4DB,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SMDB,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4SM,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM422_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM485_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SM,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_ACCESIO,
+ .device = PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4SM,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_pericom_setup,
+ },
/*
* SBS Technologies, Inc., PMC-OCTALPRO 232
*/
@@ -4580,10 +4685,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
*/
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SDB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2S,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SDB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
@@ -4592,10 +4697,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_2DB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4DB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
@@ -4604,10 +4709,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SMDB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2SM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SMDB,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
@@ -4616,13 +4721,13 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_1,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7951 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
@@ -4631,16 +4736,16 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2S,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7954 },
@@ -4649,13 +4754,13 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2SM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7954 },
+ pbn_pericom_PI7C9X7952 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM422_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7958 },
+ pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM485_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7958 },
+ pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM422_8,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7958 },
@@ -4664,19 +4769,19 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_pericom_PI7C9X7958 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7958 },
+ pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_8,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7958 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7958 },
+ pbn_pericom_PI7C9X7954 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_8SM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_pericom_PI7C9X7958 },
{ PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4SM,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_pericom_PI7C9X7958 },
+ pbn_pericom_PI7C9X7954 },
/*
* Topic TP560 Data/Fax/Voice 56k modem (reported by Evan Clarke)
*/
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 217686cb4cd3..f438a2158006 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -366,7 +366,13 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id)
cdns_uart_handle_tx(dev_id);
isrstatus &= ~CDNS_UART_IXR_TXEMPTY;
}
- if (isrstatus & CDNS_UART_IXR_RXMASK)
+
+ /*
+ * Skip RX processing if RX is disabled as RXEMPTY will never be set
+ * as read bytes will not be removed from the FIFO.
+ */
+ if (isrstatus & CDNS_UART_IXR_RXMASK &&
+ !(readl(port->membase + CDNS_UART_CR) & CDNS_UART_CR_RX_DIS))
cdns_uart_handle_rx(dev_id, isrstatus);

spin_unlock(&port->lock);
diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
index bfcee2702d50..5cf62fa33762 100644
--- a/drivers/usb/chipidea/ci_hdrc_tegra.c
+++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
@@ -133,6 +133,7 @@ static int tegra_udc_remove(struct platform_device *pdev)
{
struct tegra_udc *udc = platform_get_drvdata(pdev);

+ ci_hdrc_remove_device(udc->dev);
usb_phy_set_suspend(udc->phy, 1);
clk_disable_unprepare(udc->clk);

diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 5a0db6dec8d1..aaee1e6584e6 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -40,6 +40,9 @@
*/
#define P9_LOCK_TIMEOUT (30*HZ)

+/* flags for v9fs_stat2inode() & v9fs_stat2inode_dotl() */
+#define V9FS_STAT2INODE_KEEP_ISIZE 1
+
extern struct file_system_type v9fs_fs_type;
extern const struct address_space_operations v9fs_addr_operations;
extern const struct file_operations v9fs_file_operations;
@@ -61,8 +64,10 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
struct inode *inode, umode_t mode, dev_t);
void v9fs_evict_inode(struct inode *inode);
ino_t v9fs_qid2ino(struct p9_qid *qid);
-void v9fs_stat2inode(struct p9_wstat *, struct inode *, struct super_block *);
-void v9fs_stat2inode_dotl(struct p9_stat_dotl *, struct inode *);
+void v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
+ struct super_block *sb, unsigned int flags);
+void v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
+ unsigned int flags);
int v9fs_dir_release(struct inode *inode, struct file *filp);
int v9fs_file_open(struct inode *inode, struct file *file);
void v9fs_inode2stat(struct inode *inode, struct p9_wstat *stat);
@@ -83,4 +88,18 @@ static inline void v9fs_invalidate_inode_attr(struct inode *inode)
}

int v9fs_open_to_dotl_flags(int flags);
+
+static inline void v9fs_i_size_write(struct inode *inode, loff_t i_size)
+{
+ /*
+ * 32-bit need the lock, concurrent updates could break the
+ * sequences and make i_size_read() loop forever.
+ * 64-bit updates are atomic and can skip the locking.
+ */
+ if (sizeof(i_size) > sizeof(long))
+ spin_lock(&inode->i_lock);
+ i_size_write(inode, i_size);
+ if (sizeof(i_size) > sizeof(long))
+ spin_unlock(&inode->i_lock);
+}
#endif
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3a2f37ad1f89..af8cac975a74 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -442,7 +442,11 @@ v9fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
i_size = i_size_read(inode);
if (iocb->ki_pos > i_size) {
inode_add_bytes(inode, iocb->ki_pos - i_size);
- i_size_write(inode, iocb->ki_pos);
+ /*
+ * Need to serialize against i_size_write() in
+ * v9fs_stat2inode()
+ */
+ v9fs_i_size_write(inode, iocb->ki_pos);
}
return retval;
}
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index bdabb2765d1b..e88cb25176dc 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -538,7 +538,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb,
if (retval)
goto error;

- v9fs_stat2inode(st, inode, sb);
+ v9fs_stat2inode(st, inode, sb, 0);
v9fs_cache_inode_get_cookie(inode);
unlock_new_inode(inode);
return inode;
@@ -1080,7 +1080,7 @@ v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
if (IS_ERR(st))
return PTR_ERR(st);

- v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb);
+ v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb, 0);
generic_fillattr(d_inode(dentry), stat);

p9stat_free(st);
@@ -1158,12 +1158,13 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
* @stat: Plan 9 metadata (mistat) structure
* @inode: inode to populate
* @sb: superblock of filesystem
+ * @flags: control flags (e.g. V9FS_STAT2INODE_KEEP_ISIZE)
*
*/

void
v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
- struct super_block *sb)
+ struct super_block *sb, unsigned int flags)
{
umode_t mode;
char ext[32];
@@ -1204,10 +1205,11 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
mode = p9mode2perm(v9ses, stat);
mode |= inode->i_mode & ~S_IALLUGO;
inode->i_mode = mode;
- i_size_write(inode, stat->length);

+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE))
+ v9fs_i_size_write(inode, stat->length);
/* not real number of blocks, but 512 byte ones ... */
- inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9;
+ inode->i_blocks = (stat->length + 512 - 1) >> 9;
v9inode->cache_validity &= ~V9FS_INO_INVALID_ATTR;
}

@@ -1404,9 +1406,9 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
{
int umode;
dev_t rdev;
- loff_t i_size;
struct p9_wstat *st;
struct v9fs_session_info *v9ses;
+ unsigned int flags;

v9ses = v9fs_inode2v9ses(inode);
st = p9_client_stat(fid);
@@ -1419,16 +1421,13 @@ int v9fs_refresh_inode(struct p9_fid *fid, struct inode *inode)
if ((inode->i_mode & S_IFMT) != (umode & S_IFMT))
goto out;

- spin_lock(&inode->i_lock);
/*
* We don't want to refresh inode->i_size,
* because we may have cached data
*/
- i_size = inode->i_size;
- v9fs_stat2inode(st, inode, inode->i_sb);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- inode->i_size = i_size;
- spin_unlock(&inode->i_lock);
+ flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ?
+ V9FS_STAT2INODE_KEEP_ISIZE : 0;
+ v9fs_stat2inode(st, inode, inode->i_sb, flags);
out:
p9stat_free(st);
kfree(st);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 7f6ae21a27b3..3446ab1f44e7 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -143,7 +143,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb,
if (retval)
goto error;

- v9fs_stat2inode_dotl(st, inode);
+ v9fs_stat2inode_dotl(st, inode, 0);
v9fs_cache_inode_get_cookie(inode);
retval = v9fs_get_acl(inode, fid);
if (retval)
@@ -497,7 +497,7 @@ v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
if (IS_ERR(st))
return PTR_ERR(st);

- v9fs_stat2inode_dotl(st, d_inode(dentry));
+ v9fs_stat2inode_dotl(st, d_inode(dentry), 0);
generic_fillattr(d_inode(dentry), stat);
/* Change block size to what the server returned */
stat->blksize = st->st_blksize;
@@ -608,11 +608,13 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
* v9fs_stat2inode_dotl - populate an inode structure with stat info
* @stat: stat structure
* @inode: inode to populate
+ * @flags: ctrl flags (e.g. V9FS_STAT2INODE_KEEP_ISIZE)
*
*/

void
-v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
+v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
+ unsigned int flags)
{
umode_t mode;
struct v9fs_inode *v9inode = V9FS_I(inode);
@@ -632,7 +634,8 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
mode |= inode->i_mode & ~S_IALLUGO;
inode->i_mode = mode;

- i_size_write(inode, stat->st_size);
+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE))
+ v9fs_i_size_write(inode, stat->st_size);
inode->i_blocks = stat->st_blocks;
} else {
if (stat->st_result_mask & P9_STATS_ATIME) {
@@ -662,8 +665,9 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode)
}
if (stat->st_result_mask & P9_STATS_RDEV)
inode->i_rdev = new_decode_dev(stat->st_rdev);
- if (stat->st_result_mask & P9_STATS_SIZE)
- i_size_write(inode, stat->st_size);
+ if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) &&
+ stat->st_result_mask & P9_STATS_SIZE)
+ v9fs_i_size_write(inode, stat->st_size);
if (stat->st_result_mask & P9_STATS_BLOCKS)
inode->i_blocks = stat->st_blocks;
}
@@ -929,9 +933,9 @@ v9fs_vfs_get_link_dotl(struct dentry *dentry,

int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
{
- loff_t i_size;
struct p9_stat_dotl *st;
struct v9fs_session_info *v9ses;
+ unsigned int flags;

v9ses = v9fs_inode2v9ses(inode);
st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
@@ -943,16 +947,13 @@ int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
if ((inode->i_mode & S_IFMT) != (st->st_mode & S_IFMT))
goto out;

- spin_lock(&inode->i_lock);
/*
* We don't want to refresh inode->i_size,
* because we may have cached data
*/
- i_size = inode->i_size;
- v9fs_stat2inode_dotl(st, inode);
- if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
- inode->i_size = i_size;
- spin_unlock(&inode->i_lock);
+ flags = (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) ?
+ V9FS_STAT2INODE_KEEP_ISIZE : 0;
+ v9fs_stat2inode_dotl(st, inode, flags);
out:
kfree(st);
return 0;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 8b75463cb211..d4400779f6d9 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -172,7 +172,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
goto release_sb;
}
d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
- v9fs_stat2inode_dotl(st, d_inode(root));
+ v9fs_stat2inode_dotl(st, d_inode(root), 0);
kfree(st);
} else {
struct p9_wstat *st = NULL;
@@ -183,7 +183,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags,
}

d_inode(root)->i_ino = v9fs_qid2ino(&st->qid);
- v9fs_stat2inode(st, d_inode(root), sb);
+ v9fs_stat2inode(st, d_inode(root), sb, 0);

p9stat_free(st);
kfree(st);
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 1ba49ebe67da..1c42d9f1d6c8 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -22,6 +22,7 @@
#include <linux/posix_acl_xattr.h>
#include <linux/posix_acl.h>
#include <linux/sched.h>
+#include <linux/sched/mm.h>
#include <linux/slab.h>

#include "ctree.h"
@@ -89,8 +90,16 @@ static int __btrfs_set_acl(struct btrfs_trans_handle *trans,
}

if (acl) {
+ unsigned int nofs_flag;
+
size = posix_acl_xattr_size(acl->a_count);
+ /*
+ * We're holding a transaction handle, so use a NOFS memory
+ * allocation context to avoid deadlock if reclaim happens.
+ */
+ nofs_flag = memalloc_nofs_save();
value = kmalloc(size, GFP_KERNEL);
+ memalloc_nofs_restore(nofs_flag);
if (!value) {
ret = -ENOMEM;
goto out;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 5b62e06567a3..4cc534584665 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3014,11 +3014,11 @@ static int __do_readpage(struct extent_io_tree *tree,
*/
if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags) &&
prev_em_start && *prev_em_start != (u64)-1 &&
- *prev_em_start != em->orig_start)
+ *prev_em_start != em->start)
force_bio_submit = true;

if (prev_em_start)
- *prev_em_start = em->orig_start;
+ *prev_em_start = em->start;

free_extent_map(em);
em = NULL;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9663b6aa2a56..38ed8e259e00 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6420,10 +6420,10 @@ static int btrfs_check_chunk_valid(struct btrfs_fs_info *fs_info,
}

if ((type & BTRFS_BLOCK_GROUP_RAID10 && sub_stripes != 2) ||
- (type & BTRFS_BLOCK_GROUP_RAID1 && num_stripes < 1) ||
+ (type & BTRFS_BLOCK_GROUP_RAID1 && num_stripes != 2) ||
(type & BTRFS_BLOCK_GROUP_RAID5 && num_stripes < 2) ||
(type & BTRFS_BLOCK_GROUP_RAID6 && num_stripes < 3) ||
- (type & BTRFS_BLOCK_GROUP_DUP && num_stripes > 2) ||
+ (type & BTRFS_BLOCK_GROUP_DUP && num_stripes != 2) ||
((type & BTRFS_BLOCK_GROUP_PROFILE_MASK) == 0 &&
num_stripes != 1)) {
btrfs_err(fs_info,
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 852d7d1dcbbd..72d6f4db9bdc 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2889,14 +2889,16 @@ cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from)
* these pages but not on the region from pos to ppos+len-1.
*/
written = cifs_user_writev(iocb, from);
- if (written > 0 && CIFS_CACHE_READ(cinode)) {
+ if (CIFS_CACHE_READ(cinode)) {
/*
- * Windows 7 server can delay breaking level2 oplock if a write
- * request comes - break it on the client to prevent reading
- * an old data.
+ * We have read level caching and we have just sent a write
+ * request to the server thus making data in the cache stale.
+ * Zap the cache and set oplock/lease level to NONE to avoid
+ * reading stale data from the cache. All subsequent read
+ * operations will read new data from the server.
*/
cifs_zap_mapping(inode);
- cifs_dbg(FYI, "Set no oplock for inode=%p after a write operation\n",
+ cifs_dbg(FYI, "Set Oplock/Lease to NONE for inode=%p after write\n",
inode);
cinode->oplock = 0;
}
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index efdfdb47a7dd..a97a0e0b1a74 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -479,7 +479,6 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp,
__u8 lease_state;
struct list_head *tmp;
struct cifsFileInfo *cfile;
- struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_pending_open *open;
struct cifsInodeInfo *cinode;
int ack_req = le32_to_cpu(rsp->Flags &
@@ -499,13 +498,25 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp,
cifs_dbg(FYI, "lease key match, lease break 0x%x\n",
le32_to_cpu(rsp->NewLeaseState));

- server->ops->set_oplock_level(cinode, lease_state, 0, NULL);
-
if (ack_req)
cfile->oplock_break_cancelled = false;
else
cfile->oplock_break_cancelled = true;

+ set_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
+
+ /*
+ * Set or clear flags depending on the lease state being READ.
+ * HANDLE caching flag should be added when the client starts
+ * to defer closing remote file handles with HANDLE leases.
+ */
+ if (lease_state & SMB2_LEASE_READ_CACHING_HE)
+ set_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
+ &cinode->flags);
+ else
+ clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
+ &cinode->flags);
+
queue_work(cifsoplockd_wq, &cfile->oplock_break);
kfree(lw);
return true;
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index fb1c65f93114..418062c7f040 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1932,6 +1932,15 @@ smb2_downgrade_oplock(struct TCP_Server_Info *server,
server->ops->set_oplock_level(cinode, 0, 0, NULL);
}

+static void
+smb21_downgrade_oplock(struct TCP_Server_Info *server,
+ struct cifsInodeInfo *cinode, bool set_level2)
+{
+ server->ops->set_oplock_level(cinode,
+ set_level2 ? SMB2_LEASE_READ_CACHING_HE :
+ 0, 0, NULL);
+}
+
static void
smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
unsigned int epoch, bool *purge_cache)
@@ -2917,7 +2926,7 @@ struct smb_version_operations smb21_operations = {
.print_stats = smb2_print_stats,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb2_downgrade_oplock,
+ .downgrade_oplock = smb21_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
@@ -3012,7 +3021,7 @@ struct smb_version_operations smb30_operations = {
.dump_share_caps = smb2_dump_share_caps,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb2_downgrade_oplock,
+ .downgrade_oplock = smb21_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
@@ -3117,7 +3126,7 @@ struct smb_version_operations smb311_operations = {
.dump_share_caps = smb2_dump_share_caps,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb2_downgrade_oplock,
+ .downgrade_oplock = smb21_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 542364bf923e..32f6f1c683d9 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -439,6 +439,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent)
s->s_blocksize_bits = 10;
s->s_magic = DEVPTS_SUPER_MAGIC;
s->s_op = &devpts_sops;
+ s->s_d_op = &simple_dentry_operations;
s->s_time_gran = 1;

error = -ENOMEM;
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 726e680a3368..13f470636672 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -754,7 +754,8 @@ static loff_t ext2_max_size(int bits)
{
loff_t res = EXT2_NDIR_BLOCKS;
int meta_blocks;
- loff_t upper_limit;
+ unsigned int upper_limit;
+ unsigned int ppb = 1 << (bits-2);

/* This is calculated to be the largest file size for a
* dense, file such that the total number of
@@ -768,24 +769,34 @@ static loff_t ext2_max_size(int bits)
/* total blocks in file system block size */
upper_limit >>= (bits - 9);

+ /* Compute how many blocks we can address by block tree */
+ res += 1LL << (bits-2);
+ res += 1LL << (2*(bits-2));
+ res += 1LL << (3*(bits-2));
+ /* Does block tree limit file size? */
+ if (res < upper_limit)
+ goto check_lfs;

+ res = upper_limit;
+ /* How many metadata blocks are needed for addressing upper_limit? */
+ upper_limit -= EXT2_NDIR_BLOCKS;
/* indirect blocks */
meta_blocks = 1;
+ upper_limit -= ppb;
/* double indirect blocks */
- meta_blocks += 1 + (1LL << (bits-2));
- /* tripple indirect blocks */
- meta_blocks += 1 + (1LL << (bits-2)) + (1LL << (2*(bits-2)));
-
- upper_limit -= meta_blocks;
- upper_limit <<= bits;
-
- res += 1LL << (bits-2);
- res += 1LL << (2*(bits-2));
- res += 1LL << (3*(bits-2));
+ if (upper_limit < ppb * ppb) {
+ meta_blocks += 1 + DIV_ROUND_UP(upper_limit, ppb);
+ res -= meta_blocks;
+ goto check_lfs;
+ }
+ meta_blocks += 1 + ppb;
+ upper_limit -= ppb * ppb;
+ /* tripple indirect blocks for the rest */
+ meta_blocks += 1 + DIV_ROUND_UP(upper_limit, ppb) +
+ DIV_ROUND_UP(upper_limit, ppb*ppb);
+ res -= meta_blocks;
+check_lfs:
res <<= bits;
- if (res > upper_limit)
- res = upper_limit;
-
if (res > MAX_LFS_FILESIZE)
res = MAX_LFS_FILESIZE;

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 02970a2e86a3..95ef26b39e69 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -426,6 +426,9 @@ struct flex_groups {
/* Flags that are appropriate for non-directories/regular files. */
#define EXT4_OTHER_FLMASK (EXT4_NODUMP_FL | EXT4_NOATIME_FL)

+/* The only flags that should be swapped */
+#define EXT4_FL_SHOULD_SWAP (EXT4_HUGE_FILE_FL | EXT4_EXTENTS_FL)
+
/* Mask out flags that are inappropriate for the given type of inode. */
static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
{
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index b2a47058e04c..7917cc89ab21 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -61,6 +61,7 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2)
loff_t isize;
struct ext4_inode_info *ei1;
struct ext4_inode_info *ei2;
+ unsigned long tmp;

ei1 = EXT4_I(inode1);
ei2 = EXT4_I(inode2);
@@ -73,7 +74,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2)
swap(inode1->i_mtime, inode2->i_mtime);

memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data));
- swap(ei1->i_flags, ei2->i_flags);
+ tmp = ei1->i_flags & EXT4_FL_SHOULD_SWAP;
+ ei1->i_flags = (ei2->i_flags & EXT4_FL_SHOULD_SWAP) |
+ (ei1->i_flags & ~EXT4_FL_SHOULD_SWAP);
+ ei2->i_flags = tmp | (ei2->i_flags & ~EXT4_FL_SHOULD_SWAP);
swap(ei1->i_disksize, ei2->i_disksize);
ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 703b516366fd..6f0acfe31418 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1930,7 +1930,8 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
le16_to_cpu(es->s_reserved_gdt_blocks);
n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
n_blocks_count = (ext4_fsblk_t)n_group *
- EXT4_BLOCKS_PER_GROUP(sb);
+ EXT4_BLOCKS_PER_GROUP(sb) +
+ le32_to_cpu(es->s_first_data_block);
n_group--; /* set to last group number */
}

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index e42736c1fdc8..650927f0a2dc 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1224,11 +1224,12 @@ int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh)
struct journal_head *jh;
char *committed_data = NULL;

- JBUFFER_TRACE(jh, "entry");
if (jbd2_write_access_granted(handle, bh, true))
return 0;

jh = jbd2_journal_add_journal_head(bh);
+ JBUFFER_TRACE(jh, "entry");
+
/*
* Do this first --- it can drop the journal lock, so we want to
* make sure that obtaining the committed_data is done
@@ -1339,15 +1340,17 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)

if (is_handle_aborted(handle))
return -EROFS;
- if (!buffer_jbd(bh)) {
- ret = -EUCLEAN;
- goto out;
- }
+ if (!buffer_jbd(bh))
+ return -EUCLEAN;
+
/*
* We don't grab jh reference here since the buffer must be part
* of the running transaction.
*/
jh = bh2jh(bh);
+ jbd_debug(5, "journal_head %p\n", jh);
+ JBUFFER_TRACE(jh, "entry");
+
/*
* This and the following assertions are unreliable since we may see jh
* in inconsistent state unless we grab bh_state lock. But this is
@@ -1381,9 +1384,6 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
}

journal = transaction->t_journal;
- jbd_debug(5, "journal_head %p\n", jh);
- JBUFFER_TRACE(jh, "entry");
-
jbd_lock_bh_state(bh);

if (jh->b_modified == 0) {
@@ -1581,14 +1581,21 @@ int jbd2_journal_forget (handle_t *handle, struct buffer_head *bh)
/* However, if the buffer is still owned by a prior
* (committing) transaction, we can't drop it yet... */
JBUFFER_TRACE(jh, "belongs to older transaction");
- /* ... but we CAN drop it from the new transaction if we
- * have also modified it since the original commit. */
+ /* ... but we CAN drop it from the new transaction through
+ * marking the buffer as freed and set j_next_transaction to
+ * the new transaction, so that not only the commit code
+ * knows it should clear dirty bits when it is done with the
+ * buffer, but also the buffer can be checkpointed only
+ * after the new transaction commits. */

- if (jh->b_next_transaction) {
- J_ASSERT(jh->b_next_transaction == transaction);
+ set_buffer_freed(bh);
+
+ if (!jh->b_next_transaction) {
spin_lock(&journal->j_list_lock);
- jh->b_next_transaction = NULL;
+ jh->b_next_transaction = transaction;
spin_unlock(&journal->j_list_lock);
+ } else {
+ J_ASSERT(jh->b_next_transaction == transaction);

/*
* only drop a reference if this transaction modified
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c
index 95a7c88baed9..5019058e0f6a 100644
--- a/fs/kernfs/mount.c
+++ b/fs/kernfs/mount.c
@@ -196,8 +196,10 @@ struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
return dentry;

knparent = find_next_ancestor(kn, NULL);
- if (WARN_ON(!knparent))
+ if (WARN_ON(!knparent)) {
+ dput(dentry);
return ERR_PTR(-EINVAL);
+ }

do {
struct dentry *dtmp;
@@ -206,8 +208,10 @@ struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
if (kn == knparent)
return dentry;
kntmp = find_next_ancestor(kn, knparent);
- if (WARN_ON(!kntmp))
+ if (WARN_ON(!kntmp)) {
+ dput(dentry);
return ERR_PTR(-EINVAL);
+ }
dtmp = lookup_one_len_unlocked(kntmp->name, dentry,
strlen(kntmp->name));
dput(dentry);
diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index b6f9d84ba19b..ae2d6f220627 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -44,6 +44,7 @@
#include <linux/keyctl.h>
#include <linux/key-type.h>
#include <keys/user-type.h>
+#include <keys/request_key_auth-type.h>
#include <linux/module.h>

#include "internal.h"
@@ -59,7 +60,7 @@ static struct key_type key_type_id_resolver_legacy;
struct idmap_legacy_upcalldata {
struct rpc_pipe_msg pipe_msg;
struct idmap_msg idmap_msg;
- struct key_construction *key_cons;
+ struct key *authkey;
struct idmap *idmap;
};

@@ -384,7 +385,7 @@ static const match_table_t nfs_idmap_tokens = {
{ Opt_find_err, NULL }
};

-static int nfs_idmap_legacy_upcall(struct key_construction *, const char *, void *);
+static int nfs_idmap_legacy_upcall(struct key *, void *);
static ssize_t idmap_pipe_downcall(struct file *, const char __user *,
size_t);
static void idmap_release_pipe(struct inode *);
@@ -545,11 +546,12 @@ nfs_idmap_prepare_pipe_upcall(struct idmap *idmap,
static void
nfs_idmap_complete_pipe_upcall_locked(struct idmap *idmap, int ret)
{
- struct key_construction *cons = idmap->idmap_upcall_data->key_cons;
+ struct key *authkey = idmap->idmap_upcall_data->authkey;

kfree(idmap->idmap_upcall_data);
idmap->idmap_upcall_data = NULL;
- complete_request_key(cons, ret);
+ complete_request_key(authkey, ret);
+ key_put(authkey);
}

static void
@@ -559,15 +561,14 @@ nfs_idmap_abort_pipe_upcall(struct idmap *idmap, int ret)
nfs_idmap_complete_pipe_upcall_locked(idmap, ret);
}

-static int nfs_idmap_legacy_upcall(struct key_construction *cons,
- const char *op,
- void *aux)
+static int nfs_idmap_legacy_upcall(struct key *authkey, void *aux)
{
struct idmap_legacy_upcalldata *data;
+ struct request_key_auth *rka = get_request_key_auth(authkey);
struct rpc_pipe_msg *msg;
struct idmap_msg *im;
struct idmap *idmap = (struct idmap *)aux;
- struct key *key = cons->key;
+ struct key *key = rka->target_key;
int ret = -ENOKEY;

if (!aux)
@@ -582,7 +583,7 @@ static int nfs_idmap_legacy_upcall(struct key_construction *cons,
msg = &data->pipe_msg;
im = &data->idmap_msg;
data->idmap = idmap;
- data->key_cons = cons;
+ data->authkey = key_get(authkey);

ret = nfs_idmap_prepare_message(key->description, idmap, im, msg);
if (ret < 0)
@@ -600,7 +601,7 @@ static int nfs_idmap_legacy_upcall(struct key_construction *cons,
out2:
kfree(data);
out1:
- complete_request_key(cons, ret);
+ complete_request_key(authkey, ret);
return ret;
}

@@ -647,9 +648,10 @@ static int nfs_idmap_read_and_verify_message(struct idmap_msg *im,
static ssize_t
idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
{
+ struct request_key_auth *rka;
struct rpc_inode *rpci = RPC_I(file_inode(filp));
struct idmap *idmap = (struct idmap *)rpci->private;
- struct key_construction *cons;
+ struct key *authkey;
struct idmap_msg im;
size_t namelen_in;
int ret = -ENOKEY;
@@ -661,7 +663,8 @@ idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
if (idmap->idmap_upcall_data == NULL)
goto out_noupcall;

- cons = idmap->idmap_upcall_data->key_cons;
+ authkey = idmap->idmap_upcall_data->authkey;
+ rka = get_request_key_auth(authkey);

if (mlen != sizeof(im)) {
ret = -ENOSPC;
@@ -686,9 +689,9 @@ idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)

ret = nfs_idmap_read_and_verify_message(&im,
&idmap->idmap_upcall_data->idmap_msg,
- cons->key, cons->authkey);
+ rka->target_key, authkey);
if (ret >= 0) {
- key_set_timeout(cons->key, nfs_idmap_cache_timeout);
+ key_set_timeout(rka->target_key, nfs_idmap_cache_timeout);
ret = mlen;
}

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a3b67d3b1dfb..9041a892701f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -914,6 +914,13 @@ nfs4_sequence_process_interrupted(struct nfs_client *client,

#endif /* !CONFIG_NFS_V4_1 */

+static void nfs41_sequence_res_init(struct nfs4_sequence_res *res)
+{
+ res->sr_timestamp = jiffies;
+ res->sr_status_flags = 0;
+ res->sr_status = 1;
+}
+
static
void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
@@ -925,10 +932,6 @@ void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
args->sa_slot = slot;

res->sr_slot = slot;
- res->sr_timestamp = jiffies;
- res->sr_status_flags = 0;
- res->sr_status = 1;
-
}

int nfs4_setup_sequence(struct nfs_client *client,
@@ -974,6 +977,7 @@ int nfs4_setup_sequence(struct nfs_client *client,

trace_nfs4_setup_sequence(session, args);
out_start:
+ nfs41_sequence_res_init(res);
rpc_call_start(task);
return 0;

diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 37f20d7a26ed..28b013d1d44a 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -988,6 +988,17 @@ static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)
}
}

+static void
+nfs_pageio_cleanup_request(struct nfs_pageio_descriptor *desc,
+ struct nfs_page *req)
+{
+ LIST_HEAD(head);
+
+ nfs_list_remove_request(req);
+ nfs_list_add_request(req, &head);
+ desc->pg_completion_ops->error_cleanup(&head);
+}
+
/**
* nfs_pageio_add_request - Attempt to coalesce a request into a page list.
* @desc: destination io descriptor
@@ -1025,10 +1036,8 @@ static int __nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
nfs_page_group_unlock(req);
desc->pg_moreio = 1;
nfs_pageio_doio(desc);
- if (desc->pg_error < 0)
- return 0;
- if (mirror->pg_recoalesce)
- return 0;
+ if (desc->pg_error < 0 || mirror->pg_recoalesce)
+ goto out_cleanup_subreq;
/* retry add_request for this subreq */
nfs_page_group_lock(req);
continue;
@@ -1061,6 +1070,10 @@ static int __nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
desc->pg_error = PTR_ERR(subreq);
nfs_page_group_unlock(req);
return 0;
+out_cleanup_subreq:
+ if (req != subreq)
+ nfs_pageio_cleanup_request(desc, subreq);
+ return 0;
}

static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)
@@ -1079,7 +1092,6 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc)
struct nfs_page *req;

req = list_first_entry(&head, struct nfs_page, wb_list);
- nfs_list_remove_request(req);
if (__nfs_pageio_add_request(desc, req))
continue;
if (desc->pg_error < 0) {
@@ -1168,11 +1180,14 @@ int nfs_pageio_add_request(struct nfs_pageio_descriptor *desc,
if (nfs_pgio_has_mirroring(desc))
desc->pg_mirror_idx = midx;
if (!nfs_pageio_add_request_mirror(desc, dupreq))
- goto out_failed;
+ goto out_cleanup_subreq;
}

return 1;

+out_cleanup_subreq:
+ if (req != dupreq)
+ nfs_pageio_cleanup_request(desc, dupreq);
out_failed:
/* remember fatal errors */
if (nfs_error_is_fatal(desc->pg_error))
@@ -1198,7 +1213,7 @@ static void nfs_pageio_complete_mirror(struct nfs_pageio_descriptor *desc,
desc->pg_mirror_idx = mirror_idx;
for (;;) {
nfs_pageio_doio(desc);
- if (!mirror->pg_recoalesce)
+ if (desc->pg_error < 0 || !mirror->pg_recoalesce)
break;
if (!nfs_do_recoalesce(desc))
break;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 2d956a7d5378..50ed3944d183 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -236,9 +236,9 @@ static void nfs_grow_file(struct page *page, unsigned int offset, unsigned int c
}

/* A writeback failed: mark the page as bad, and invalidate the page cache */
-static void nfs_set_pageerror(struct page *page)
+static void nfs_set_pageerror(struct address_space *mapping)
{
- nfs_zap_mapping(page_file_mapping(page)->host, page_file_mapping(page));
+ nfs_zap_mapping(mapping->host, mapping);
}

/*
@@ -994,7 +994,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
nfs_list_remove_request(req);
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags) &&
(hdr->good_bytes < bytes)) {
- nfs_set_pageerror(req->wb_page);
+ nfs_set_pageerror(page_file_mapping(req->wb_page));
nfs_context_set_write_error(req->wb_context, hdr->error);
goto remove_req;
}
@@ -1330,7 +1330,8 @@ int nfs_updatepage(struct file *file, struct page *page,
unsigned int offset, unsigned int count)
{
struct nfs_open_context *ctx = nfs_file_open_context(file);
- struct inode *inode = page_file_mapping(page)->host;
+ struct address_space *mapping = page_file_mapping(page);
+ struct inode *inode = mapping->host;
int status = 0;

nfs_inc_stats(inode, NFSIOS_VFSUPDATEPAGE);
@@ -1348,7 +1349,7 @@ int nfs_updatepage(struct file *file, struct page *page,

status = nfs_writepage_setup(ctx, page, offset, count);
if (status < 0)
- nfs_set_pageerror(page);
+ nfs_set_pageerror(mapping);
else
__set_page_dirty_nobuffers(page);
out:
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 1d0ce3c57d93..c0de4d6cd857 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -446,8 +446,19 @@ nfsd3_proc_readdir(struct svc_rqst *rqstp)
&resp->common, nfs3svc_encode_entry);
memcpy(resp->verf, argp->verf, 8);
resp->count = resp->buffer - argp->buffer;
- if (resp->offset)
- xdr_encode_hyper(resp->offset, argp->cookie);
+ if (resp->offset) {
+ loff_t offset = argp->cookie;
+
+ if (unlikely(resp->offset1)) {
+ /* we ended up with offset on a page boundary */
+ *resp->offset = htonl(offset >> 32);
+ *resp->offset1 = htonl(offset & 0xffffffff);
+ resp->offset1 = NULL;
+ } else {
+ xdr_encode_hyper(resp->offset, offset);
+ }
+ resp->offset = NULL;
+ }

RETURN_STATUS(nfserr);
}
@@ -516,6 +527,7 @@ nfsd3_proc_readdirplus(struct svc_rqst *rqstp)
} else {
xdr_encode_hyper(resp->offset, offset);
}
+ resp->offset = NULL;
}

RETURN_STATUS(nfserr);
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index f38acd905441..ef3e7878456c 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -922,6 +922,7 @@ encode_entry(struct readdir_cd *ccd, const char *name, int namlen,
} else {
xdr_encode_hyper(cd->offset, offset64);
}
+ cd->offset = NULL;
}

/*
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 4b8ebcc6b183..d44402241d9e 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1126,7 +1126,7 @@ 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)
+ if (!nn->nfsd_serv)
return -EBUSY;
nfsd4_end_grace(nn);
break;
diff --git a/fs/pipe.c b/fs/pipe.c
index 8ef7d7bef775..8f9628494981 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -239,6 +239,14 @@ static const struct pipe_buf_operations anon_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};

+static const struct pipe_buf_operations anon_pipe_buf_nomerge_ops = {
+ .can_merge = 0,
+ .confirm = generic_pipe_buf_confirm,
+ .release = anon_pipe_buf_release,
+ .steal = anon_pipe_buf_steal,
+ .get = generic_pipe_buf_get,
+};
+
static const struct pipe_buf_operations packet_pipe_buf_ops = {
.can_merge = 0,
.confirm = generic_pipe_buf_confirm,
@@ -247,6 +255,12 @@ static const struct pipe_buf_operations packet_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};

+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf)
+{
+ if (buf->ops == &anon_pipe_buf_ops)
+ buf->ops = &anon_pipe_buf_nomerge_ops;
+}
+
static ssize_t
pipe_read(struct kiocb *iocb, struct iov_iter *to)
{
diff --git a/fs/splice.c b/fs/splice.c
index f3084cce0ea6..00d2f142dcf9 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1580,6 +1580,8 @@ static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;

+ pipe_buf_mark_unmergeable(obuf);
+
obuf->len = len;
opipe->nrbufs++;
ibuf->offset += obuf->len;
@@ -1654,6 +1656,8 @@ static int link_pipe(struct pipe_inode_info *ipipe,
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;

+ pipe_buf_mark_unmergeable(obuf);
+
if (obuf->len > len)
obuf->len = len;

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index fcec26d60d8c..c229ffbed6d4 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -696,7 +696,7 @@
KEEP(*(.orc_unwind_ip)) \
VMLINUX_SYMBOL(__stop_orc_unwind_ip) = .; \
} \
- . = ALIGN(6); \
+ . = ALIGN(2); \
.orc_unwind : AT(ADDR(.orc_unwind) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_orc_unwind) = .; \
KEEP(*(.orc_unwind)) \
diff --git a/include/keys/request_key_auth-type.h b/include/keys/request_key_auth-type.h
new file mode 100644
index 000000000000..a726dd3f1dc6
--- /dev/null
+++ b/include/keys/request_key_auth-type.h
@@ -0,0 +1,36 @@
+/* request_key authorisation token key type
+ *
+ * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_REQUEST_KEY_AUTH_TYPE_H
+#define _KEYS_REQUEST_KEY_AUTH_TYPE_H
+
+#include <linux/key.h>
+
+/*
+ * Authorisation record for request_key().
+ */
+struct request_key_auth {
+ struct key *target_key;
+ struct key *dest_keyring;
+ const struct cred *cred;
+ void *callout_info;
+ size_t callout_len;
+ pid_t pid;
+ char op[8];
+} __randomize_layout;
+
+static inline struct request_key_auth *get_request_key_auth(const struct key *key)
+{
+ return key->payload.data[0];
+}
+
+
+#endif /* _KEYS_REQUEST_KEY_AUTH_TYPE_H */
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index a5538433c927..91a063a1f3b3 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -630,7 +630,7 @@ do { \
*/
#define dm_target_offset(ti, sector) ((sector) - (ti)->begin)

-static inline sector_t to_sector(unsigned long n)
+static inline sector_t to_sector(unsigned long long n)
{
return (n >> SECTOR_SHIFT);
}
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 0fbbcdf0c178..da0af631ded5 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -60,8 +60,14 @@ extern void irq_enter(void);
*/
extern void irq_exit(void);

+#ifndef arch_nmi_enter
+#define arch_nmi_enter() do { } while (0)
+#define arch_nmi_exit() do { } while (0)
+#endif
+
#define nmi_enter() \
do { \
+ arch_nmi_enter(); \
printk_nmi_enter(); \
lockdep_off(); \
ftrace_nmi_enter(); \
@@ -80,6 +86,7 @@ extern void irq_exit(void);
ftrace_nmi_exit(); \
lockdep_on(); \
printk_nmi_exit(); \
+ arch_nmi_exit(); \
} while (0)

#endif /* LINUX_HARDIRQ_H */
diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 9520fc3c3b9a..dfb3ba782d2c 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -17,15 +17,6 @@

#ifdef CONFIG_KEYS

-/*
- * key under-construction record
- * - passed to the request_key actor if supplied
- */
-struct key_construction {
- struct key *key; /* key being constructed */
- struct key *authkey;/* authorisation for key being constructed */
-};
-
/*
* Pre-parsed payload, used by key add, update and instantiate.
*
@@ -47,8 +38,7 @@ struct key_preparsed_payload {
time_t expiry; /* Expiry time of key */
} __randomize_layout;

-typedef int (*request_key_actor_t)(struct key_construction *key,
- const char *op, void *aux);
+typedef int (*request_key_actor_t)(struct key *auth_key, void *aux);

/*
* Preparsed matching criterion.
@@ -170,20 +160,20 @@ extern int key_instantiate_and_link(struct key *key,
const void *data,
size_t datalen,
struct key *keyring,
- struct key *instkey);
+ struct key *authkey);
extern int key_reject_and_link(struct key *key,
unsigned timeout,
unsigned error,
struct key *keyring,
- struct key *instkey);
-extern void complete_request_key(struct key_construction *cons, int error);
+ struct key *authkey);
+extern void complete_request_key(struct key *authkey, int error);

static inline int key_negate_and_link(struct key *key,
unsigned timeout,
struct key *keyring,
- struct key *instkey)
+ struct key *authkey)
{
- return key_reject_and_link(key, timeout, ENOKEY, keyring, instkey);
+ return key_reject_and_link(key, timeout, ENOKEY, keyring, authkey);
}

extern int generic_key_instantiate(struct key *key, struct key_preparsed_payload *prep);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4f7f19c1dc0a..753c16633bac 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -625,7 +625,7 @@ void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
struct kvm_memory_slot *dont);
int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
unsigned long npages);
-void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots);
+void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
int kvm_arch_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *memslot,
const struct kvm_userspace_memory_region *mem,
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 6a80cfc63e0c..befdcd304b3d 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -183,6 +183,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
+void pipe_buf_mark_unmergeable(struct pipe_buffer *buf);

extern const struct pipe_buf_operations nosteal_pipe_buf_ops;

diff --git a/include/linux/property.h b/include/linux/property.h
index 89d94b349912..45777ec1c524 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -252,7 +252,7 @@ struct property_entry {
#define PROPERTY_ENTRY_STRING(_name_, _val_) \
(struct property_entry) { \
.name = _name_, \
- .length = sizeof(_val_), \
+ .length = sizeof(const char *), \
.is_string = true, \
{ .value = { .str = _val_ } }, \
}
diff --git a/include/net/phonet/pep.h b/include/net/phonet/pep.h
index b669fe6dbc3b..98f31c7ea23d 100644
--- a/include/net/phonet/pep.h
+++ b/include/net/phonet/pep.h
@@ -63,10 +63,11 @@ struct pnpipehdr {
u8 state_after_reset; /* reset request */
u8 error_code; /* any response */
u8 pep_type; /* status indication */
- u8 data[1];
+ u8 data0; /* anything else */
};
+ u8 data[];
};
-#define other_pep_type data[1]
+#define other_pep_type data[0]

static inline struct pnpipehdr *pnp_hdr(struct sk_buff *skb)
{
diff --git a/init/main.c b/init/main.c
index c4a45145e102..3d3d79c5a232 100644
--- a/init/main.c
+++ b/init/main.c
@@ -663,7 +663,6 @@ asmlinkage __visible void __init start_kernel(void)
initrd_start = 0;
}
#endif
- page_ext_init();
kmemleak_init();
debug_objects_mem_init();
setup_per_cpu_pageset();
@@ -1069,6 +1068,8 @@ static noinline void __init kernel_init_freeable(void)
sched_init_smp();

page_alloc_init_late();
+ /* Initialize page ext after all struct pages are initialized. */
+ page_ext_init();

do_basic_setup();

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 21bbfc09e395..7e79358b4473 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -1942,7 +1942,7 @@ struct dentry *cgroup_do_mount(struct file_system_type *fs_type, int flags,
struct cgroup_namespace *ns)
{
struct dentry *dentry;
- bool new_sb;
+ bool new_sb = false;

dentry = kernfs_mount(fs_type, flags, root->kf_root, magic, &new_sb);

@@ -1952,6 +1952,7 @@ struct dentry *cgroup_do_mount(struct file_system_type *fs_type, int flags,
*/
if (!IS_ERR(dentry) && ns != &init_cgroup_ns) {
struct dentry *nsdentry;
+ struct super_block *sb = dentry->d_sb;
struct cgroup *cgrp;

mutex_lock(&cgroup_mutex);
@@ -1962,12 +1963,14 @@ struct dentry *cgroup_do_mount(struct file_system_type *fs_type, int flags,
spin_unlock_irq(&css_set_lock);
mutex_unlock(&cgroup_mutex);

- nsdentry = kernfs_node_dentry(cgrp->kn, dentry->d_sb);
+ nsdentry = kernfs_node_dentry(cgrp->kn, sb);
dput(dentry);
+ if (IS_ERR(nsdentry))
+ deactivate_locked_super(sb);
dentry = nsdentry;
}

- if (IS_ERR(dentry) || !new_sb)
+ if (!new_sb)
cgroup_put(&root->cgrp);

return dentry;
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 710ce1d6b982..fb051fa99b67 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1789,15 +1789,23 @@ static int rcu_future_gp_cleanup(struct rcu_state *rsp, struct rcu_node *rnp)
}

/*
- * Awaken the grace-period kthread for the specified flavor of RCU.
- * Don't do a self-awaken, and don't bother awakening when there is
- * nothing for the grace-period kthread to do (as in several CPUs
- * raced to awaken, and we lost), and finally don't try to awaken
- * a kthread that has not yet been created.
+ * Awaken the grace-period kthread. Don't do a self-awaken (unless in
+ * an interrupt or softirq handler), and don't bother awakening when there
+ * is nothing for the grace-period kthread to do (as in several CPUs raced
+ * to awaken, and we lost), and finally don't try to awaken a kthread that
+ * has not yet been created. If all those checks are passed, track some
+ * debug information and awaken.
+ *
+ * So why do the self-wakeup when in an interrupt or softirq handler
+ * in the grace-period kthread's context? Because the kthread might have
+ * been interrupted just as it was going to sleep, and just after the final
+ * pre-sleep check of the awaken condition. In this case, a wakeup really
+ * is required, and is therefore supplied.
*/
static void rcu_gp_kthread_wake(struct rcu_state *rsp)
{
- if (current == rsp->gp_kthread ||
+ if ((current == rsp->gp_kthread &&
+ !in_interrupt() && !in_serving_softirq()) ||
!READ_ONCE(rsp->gp_flags) ||
!rsp->gp_kthread)
return;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3ad00bf90b3d..a7acb058b776 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2530,7 +2530,16 @@ static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp,
{
struct do_proc_dointvec_minmax_conv_param *param = data;
if (write) {
- int val = *negp ? -*lvalp : *lvalp;
+ int val;
+ if (*negp) {
+ if (*lvalp > (unsigned long) INT_MAX + 1)
+ return -EINVAL;
+ val = -*lvalp;
+ } else {
+ if (*lvalp > (unsigned long) INT_MAX)
+ return -EINVAL;
+ val = *lvalp;
+ }
if ((param->min && *param->min > val) ||
(param->max && *param->max < val))
return -EINVAL;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index bd6e6142473f..287e61aba57c 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5604,7 +5604,6 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp)
return ret;

fail:
- kfree(iter->trace);
kfree(iter);
__trace_array_put(tr);
mutex_unlock(&trace_types_lock);
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 7eb975a2d0e1..e8c9eba9b1e7 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -872,9 +872,10 @@ static inline void add_to_key(char *compound_key, void *key,
/* ensure NULL-termination */
if (size > key_field->size - 1)
size = key_field->size - 1;
- }

- memcpy(compound_key + key_field->offset, key, size);
+ strncpy(compound_key + key_field->offset, (char *)key, size);
+ } else
+ memcpy(compound_key + key_field->offset, key, size);
}

static void event_hist_trigger(struct event_trigger_data *data, void *rec)
diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index 4e53be8bc590..9463d3445ccd 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -781,9 +781,11 @@ static bool assoc_array_insert_into_terminal_node(struct assoc_array_edit *edit,
new_s0->index_key[i] =
ops->get_key_chunk(index_key, i * ASSOC_ARRAY_KEY_CHUNK_SIZE);

- blank = ULONG_MAX << (level & ASSOC_ARRAY_KEY_CHUNK_MASK);
- pr_devel("blank off [%zu] %d: %lx\n", keylen - 1, level, blank);
- new_s0->index_key[keylen - 1] &= ~blank;
+ if (level & ASSOC_ARRAY_KEY_CHUNK_MASK) {
+ blank = ULONG_MAX << (level & ASSOC_ARRAY_KEY_CHUNK_MASK);
+ pr_devel("blank off [%zu] %d: %lx\n", keylen - 1, level, blank);
+ new_s0->index_key[keylen - 1] &= ~blank;
+ }

/* This now reduces to a node splitting exercise for which we'll need
* to regenerate the disparity table.
diff --git a/mm/gup.c b/mm/gup.c
index 4cc8a6ff0f56..7c0e5b1bbcd4 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1643,7 +1643,8 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end,
if (!pmd_present(pmd))
return 0;

- if (unlikely(pmd_trans_huge(pmd) || pmd_huge(pmd))) {
+ if (unlikely(pmd_trans_huge(pmd) || pmd_huge(pmd) ||
+ pmd_devmap(pmd))) {
/*
* NUMA hinting faults need to be handled in the GUP
* slowpath for accounting purposes and so that they
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index ef080fa682a6..001b6bfccbfb 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1701,19 +1701,17 @@ static int soft_offline_in_use_page(struct page *page, int flags)
struct page *hpage = compound_head(page);

if (!PageHuge(page) && PageTransHuge(hpage)) {
- lock_page(hpage);
- if (!PageAnon(hpage) || unlikely(split_huge_page(hpage))) {
- unlock_page(hpage);
- if (!PageAnon(hpage))
+ lock_page(page);
+ if (!PageAnon(page) || unlikely(split_huge_page(page))) {
+ unlock_page(page);
+ if (!PageAnon(page))
pr_info("soft offline: %#lx: non anonymous thp\n", page_to_pfn(page));
else
pr_info("soft offline: %#lx: thp split failed\n", page_to_pfn(page));
- put_hwpoison_page(hpage);
+ put_hwpoison_page(page);
return -EBUSY;
}
- unlock_page(hpage);
- get_hwpoison_page(page);
- put_hwpoison_page(hpage);
+ unlock_page(page);
}

if (PageHuge(page))
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a2f365f40433..40075c1946b3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4325,11 +4325,11 @@ void *page_frag_alloc(struct page_frag_cache *nc,
/* Even if we own the page, we do not use atomic_set().
* This would break get_page_unless_zero() users.
*/
- page_ref_add(page, size - 1);
+ page_ref_add(page, size);

/* reset page count bias and offset to start of new frag */
nc->pfmemalloc = page_is_pfmemalloc(page);
- nc->pagecnt_bias = size;
+ nc->pagecnt_bias = size + 1;
nc->offset = size;
}

@@ -4345,10 +4345,10 @@ void *page_frag_alloc(struct page_frag_cache *nc,
size = nc->size;
#endif
/* OK, page count is 0, we can safely set it */
- set_page_count(page, size);
+ set_page_count(page, size + 1);

/* reset page count bias and offset to start of new frag */
- nc->pagecnt_bias = size;
+ nc->pagecnt_bias = size + 1;
offset = size - fragsz;
}

diff --git a/mm/page_ext.c b/mm/page_ext.c
index 2c16216c29b6..2c44f5b78435 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -396,10 +396,8 @@ void __init page_ext_init(void)
* We know some arch can have a nodes layout such as
* -------------pfn-------------->
* N0 | N1 | N2 | N0 | N1 | N2|....
- *
- * Take into account DEFERRED_STRUCT_PAGE_INIT.
*/
- if (early_pfn_to_nid(pfn) != nid)
+ if (pfn_to_nid(pfn) != nid)
continue;
if (init_section_page_ext(pfn, nid))
goto oom;
diff --git a/mm/shmem.c b/mm/shmem.c
index 6c10f1d92251..037e2ee9ccac 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3096,16 +3096,20 @@ static int shmem_create(struct inode *dir, struct dentry *dentry, umode_t mode,
static int shmem_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(old_dentry);
- int ret;
+ int ret = 0;

/*
* No ordinary (disk based) filesystem counts links as inodes;
* but each new link needs a new dentry, pinning lowmem, and
* tmpfs dentries cannot be pruned until they are unlinked.
+ * But if an O_TMPFILE file is linked into the tmpfs, the
+ * first link must skip that, to get the accounting right.
*/
- ret = shmem_reserve_inode(inode->i_sb);
- if (ret)
- goto out;
+ if (inode->i_nlink) {
+ ret = shmem_reserve_inode(inode->i_sb);
+ if (ret)
+ goto out;
+ }

dir->i_size += BOGO_DIRENT_SIZE;
inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9ff21a12ea00..8d9f636d0c98 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2262,7 +2262,7 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
if (!(area->flags & VM_USERMAP))
return -EINVAL;

- if (kaddr + size > area->addr + area->size)
+ if (kaddr + size > area->addr + get_vm_area_size(area))
return -EINVAL;

do {
diff --git a/net/9p/client.c b/net/9p/client.c
index ef0f8fe3ac08..6a6b290574a1 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1082,7 +1082,7 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
p9_debug(P9_DEBUG_ERROR,
"Please specify a msize of at least 4k\n");
err = -EINVAL;
- goto free_client;
+ goto close_trans;
}

err = p9_client_version(clnt);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b00e4a43b4dc..d30285c5d52d 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -307,7 +307,7 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
skb->len += tailen;
skb->data_len += tailen;
skb->truesize += tailen;
- if (sk)
+ if (sk && sk_fullsock(sk))
refcount_add(tailen, &sk->sk_wmem_alloc);

goto out;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index f112fef79216..ef7822fad0fd 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -275,7 +275,7 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
skb->len += tailen;
skb->data_len += tailen;
skb->truesize += tailen;
- if (sk)
+ if (sk && sk_fullsock(sk))
refcount_add(tailen, &sk->sk_wmem_alloc);

goto out;
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 3b209cbfe1df..b095551a5773 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -196,30 +196,22 @@ static int pfkey_release(struct socket *sock)
return 0;
}

-static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2,
- gfp_t allocation, struct sock *sk)
+static int pfkey_broadcast_one(struct sk_buff *skb, gfp_t allocation,
+ struct sock *sk)
{
int err = -ENOBUFS;

- sock_hold(sk);
- if (*skb2 == NULL) {
- if (refcount_read(&skb->users) != 1) {
- *skb2 = skb_clone(skb, allocation);
- } else {
- *skb2 = skb;
- refcount_inc(&skb->users);
- }
- }
- if (*skb2 != NULL) {
- if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf) {
- skb_set_owner_r(*skb2, sk);
- skb_queue_tail(&sk->sk_receive_queue, *skb2);
- sk->sk_data_ready(sk);
- *skb2 = NULL;
- err = 0;
- }
+ if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf)
+ return err;
+
+ skb = skb_clone(skb, allocation);
+
+ if (skb) {
+ skb_set_owner_r(skb, sk);
+ skb_queue_tail(&sk->sk_receive_queue, skb);
+ sk->sk_data_ready(sk);
+ err = 0;
}
- sock_put(sk);
return err;
}

@@ -234,7 +226,6 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
{
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;
- struct sk_buff *skb2 = NULL;
int err = -ESRCH;

/* XXX Do we need something like netlink_overrun? I think
@@ -253,7 +244,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
* socket.
*/
if (pfk->promisc)
- pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk);
+ pfkey_broadcast_one(skb, GFP_ATOMIC, sk);

/* the exact target will be processed later */
if (sk == one_sk)
@@ -268,7 +259,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
continue;
}

- err2 = pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk);
+ err2 = pfkey_broadcast_one(skb, GFP_ATOMIC, sk);

/* Error is cleared after successful sending to at least one
* registered KM */
@@ -278,9 +269,8 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
rcu_read_unlock();

if (one_sk != NULL)
- err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk);
+ err = pfkey_broadcast_one(skb, allocation, one_sk);

- kfree_skb(skb2);
kfree_skb(skb);
return err;
}
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 197947a07f83..ed57db9b6086 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -8,7 +8,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -361,6 +361,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,

set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state);

+ ieee80211_agg_stop_txq(sta, tid);
+
spin_unlock_bh(&sta->lock);

ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",
diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
index b32fb0dbe237..3f8e490d1133 100644
--- a/net/netfilter/ipvs/Kconfig
+++ b/net/netfilter/ipvs/Kconfig
@@ -29,6 +29,7 @@ config IP_VS_IPV6
bool "IPv6 support for IPVS"
depends on IPV6 = y || IP_VS = IPV6
select IP6_NF_IPTABLES
+ select NF_DEFRAG_IPV6
---help---
Add IPv6 support to IPVS.

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 1bd53b1e7672..4278f5c947ab 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1524,14 +1524,12 @@ ip_vs_try_to_schedule(struct netns_ipvs *ipvs, int af, struct sk_buff *skb,
/* sorry, all this trouble for a no-hit :) */
IP_VS_DBG_PKT(12, af, pp, skb, iph->off,
"ip_vs_in: packet continues traversal as normal");
- if (iph->fragoffs) {
- /* Fragment that couldn't be mapped to a conn entry
- * is missing module nf_defrag_ipv6
- */
- IP_VS_DBG_RL("Unhandled frag, load nf_defrag_ipv6\n");
+
+ /* Fragment couldn't be mapped to a conn entry */
+ if (iph->fragoffs)
IP_VS_DBG_PKT(7, af, pp, skb, iph->off,
"unhandled fragment");
- }
+
*verdict = NF_ACCEPT;
return 0;
}
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index dff4ead3d117..56dd5ce6274f 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -43,6 +43,7 @@
#ifdef CONFIG_IP_VS_IPV6
#include <net/ipv6.h>
#include <net/ip6_route.h>
+#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
#endif
#include <net/route.h>
#include <net/sock.h>
@@ -888,6 +889,7 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
{
struct ip_vs_dest *dest;
unsigned int atype, i;
+ int ret = 0;

EnterFunction(2);

@@ -898,6 +900,10 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
atype & IPV6_ADDR_LINKLOCAL) &&
!__ip_vs_addr_is_local_v6(svc->ipvs->net, &udest->addr.in6))
return -EINVAL;
+
+ ret = nf_defrag_ipv6_enable(svc->ipvs->net);
+ if (ret)
+ return ret;
} else
#endif
{
@@ -1221,6 +1227,10 @@ ip_vs_add_service(struct netns_ipvs *ipvs, struct ip_vs_service_user_kern *u,
ret = -EINVAL;
goto out_err;
}
+
+ ret = nf_defrag_ipv6_enable(ipvs->net);
+ if (ret)
+ goto out_err;
}
#endif

diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index e81537991ddf..bffcef58ebf5 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -132,7 +132,7 @@ static int pep_indicate(struct sock *sk, u8 id, u8 code,
ph->utid = 0;
ph->message_id = id;
ph->pipe_handle = pn->pipe_handle;
- ph->data[0] = code;
+ ph->error_code = code;
return pn_skb_send(sk, skb, NULL);
}

@@ -153,7 +153,7 @@ static int pipe_handler_request(struct sock *sk, u8 id, u8 code,
ph->utid = id; /* whatever */
ph->message_id = id;
ph->pipe_handle = pn->pipe_handle;
- ph->data[0] = code;
+ ph->error_code = code;
return pn_skb_send(sk, skb, NULL);
}

@@ -208,7 +208,7 @@ static int pep_ctrlreq_error(struct sock *sk, struct sk_buff *oskb, u8 code,
struct pnpipehdr *ph;
struct sockaddr_pn dst;
u8 data[4] = {
- oph->data[0], /* PEP type */
+ oph->pep_type, /* PEP type */
code, /* error code, at an unusual offset */
PAD, PAD,
};
@@ -221,7 +221,7 @@ static int pep_ctrlreq_error(struct sock *sk, struct sk_buff *oskb, u8 code,
ph->utid = oph->utid;
ph->message_id = PNS_PEP_CTRL_RESP;
ph->pipe_handle = oph->pipe_handle;
- ph->data[0] = oph->data[1]; /* CTRL id */
+ ph->data0 = oph->data[0]; /* CTRL id */

pn_skb_get_src_sockaddr(oskb, &dst);
return pn_skb_send(sk, skb, &dst);
@@ -272,17 +272,17 @@ static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
return -EINVAL;

hdr = pnp_hdr(skb);
- if (hdr->data[0] != PN_PEP_TYPE_COMMON) {
+ if (hdr->pep_type != PN_PEP_TYPE_COMMON) {
net_dbg_ratelimited("Phonet unknown PEP type: %u\n",
- (unsigned int)hdr->data[0]);
+ (unsigned int)hdr->pep_type);
return -EOPNOTSUPP;
}

- switch (hdr->data[1]) {
+ switch (hdr->data[0]) {
case PN_PEP_IND_FLOW_CONTROL:
switch (pn->tx_fc) {
case PN_LEGACY_FLOW_CONTROL:
- switch (hdr->data[4]) {
+ switch (hdr->data[3]) {
case PEP_IND_BUSY:
atomic_set(&pn->tx_credits, 0);
break;
@@ -292,7 +292,7 @@ static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
}
break;
case PN_ONE_CREDIT_FLOW_CONTROL:
- if (hdr->data[4] == PEP_IND_READY)
+ if (hdr->data[3] == PEP_IND_READY)
atomic_set(&pn->tx_credits, wake = 1);
break;
}
@@ -301,12 +301,12 @@ static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
case PN_PEP_IND_ID_MCFC_GRANT_CREDITS:
if (pn->tx_fc != PN_MULTI_CREDIT_FLOW_CONTROL)
break;
- atomic_add(wake = hdr->data[4], &pn->tx_credits);
+ atomic_add(wake = hdr->data[3], &pn->tx_credits);
break;

default:
net_dbg_ratelimited("Phonet unknown PEP indication: %u\n",
- (unsigned int)hdr->data[1]);
+ (unsigned int)hdr->data[0]);
return -EOPNOTSUPP;
}
if (wake)
@@ -318,7 +318,7 @@ static int pipe_rcv_created(struct sock *sk, struct sk_buff *skb)
{
struct pep_sock *pn = pep_sk(sk);
struct pnpipehdr *hdr = pnp_hdr(skb);
- u8 n_sb = hdr->data[0];
+ u8 n_sb = hdr->data0;

pn->rx_fc = pn->tx_fc = PN_LEGACY_FLOW_CONTROL;
__skb_pull(skb, sizeof(*hdr));
@@ -506,7 +506,7 @@ static int pep_connresp_rcv(struct sock *sk, struct sk_buff *skb)
return -ECONNREFUSED;

/* Parse sub-blocks */
- n_sb = hdr->data[4];
+ n_sb = hdr->data[3];
while (n_sb > 0) {
u8 type, buf[6], len = sizeof(buf);
const u8 *data = pep_get_sb(skb, &type, &len, buf);
@@ -739,7 +739,7 @@ static int pipe_do_remove(struct sock *sk)
ph->utid = 0;
ph->message_id = PNS_PIPE_REMOVE_REQ;
ph->pipe_handle = pn->pipe_handle;
- ph->data[0] = PAD;
+ ph->data0 = PAD;
return pn_skb_send(sk, skb, NULL);
}

@@ -817,7 +817,7 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp,
peer_type = hdr->other_pep_type << 8;

/* Parse sub-blocks (options) */
- n_sb = hdr->data[4];
+ n_sb = hdr->data[3];
while (n_sb > 0) {
u8 type, buf[1], len = sizeof(buf);
const u8 *data = pep_get_sb(skb, &type, &len, buf);
@@ -1109,7 +1109,7 @@ static int pipe_skb_send(struct sock *sk, struct sk_buff *skb)
ph->utid = 0;
if (pn->aligned) {
ph->message_id = PNS_PIPE_ALIGNED_DATA;
- ph->data[0] = 0; /* padding */
+ ph->data0 = 0; /* padding */
} else
ph->message_id = PNS_PIPE_DATA;
ph->pipe_handle = pn->pipe_handle;
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 503adbae7b0d..e3a573840186 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -188,20 +188,9 @@ static inline int key_permission(const key_ref_t key_ref, unsigned perm)
return key_task_permission(key_ref, current_cred(), perm);
}

-/*
- * Authorisation record for request_key().
- */
-struct request_key_auth {
- struct key *target_key;
- struct key *dest_keyring;
- const struct cred *cred;
- void *callout_info;
- size_t callout_len;
- pid_t pid;
-} __randomize_layout;
-
extern struct key_type key_type_request_key_auth;
extern struct key *request_key_auth_new(struct key *target,
+ const char *op,
const void *callout_info,
size_t callout_len,
struct key *dest_keyring);
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 1ffe60bb2845..ca31af186abd 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -26,6 +26,7 @@
#include <linux/security.h>
#include <linux/uio.h>
#include <linux/uaccess.h>
+#include <keys/request_key_auth-type.h>
#include "internal.h"

#define KEY_MAX_DESC_SIZE 4096
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 740affd65ee9..5f2993ab2d50 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -20,6 +20,7 @@
#include <linux/security.h>
#include <linux/user_namespace.h>
#include <linux/uaccess.h>
+#include <keys/request_key_auth-type.h>
#include "internal.h"

/* Session keyring create vs join semaphore */
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index c707fdbb3429..2ecd67221476 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -18,31 +18,30 @@
#include <linux/keyctl.h>
#include <linux/slab.h>
#include "internal.h"
+#include <keys/request_key_auth-type.h>

#define key_negative_timeout 60 /* default timeout on a negative key's existence */

/**
* complete_request_key - Complete the construction of a key.
- * @cons: The key construction record.
+ * @auth_key: The authorisation key.
* @error: The success or failute of the construction.
*
* Complete the attempt to construct a key. The key will be negated
* if an error is indicated. The authorisation key will be revoked
* unconditionally.
*/
-void complete_request_key(struct key_construction *cons, int error)
+void complete_request_key(struct key *authkey, int error)
{
- kenter("{%d,%d},%d", cons->key->serial, cons->authkey->serial, error);
+ struct request_key_auth *rka = get_request_key_auth(authkey);
+ struct key *key = rka->target_key;
+
+ kenter("%d{%d},%d", authkey->serial, key->serial, error);

if (error < 0)
- key_negate_and_link(cons->key, key_negative_timeout, NULL,
- cons->authkey);
+ key_negate_and_link(key, key_negative_timeout, NULL, authkey);
else
- key_revoke(cons->authkey);
-
- key_put(cons->key);
- key_put(cons->authkey);
- kfree(cons);
+ key_revoke(authkey);
}
EXPORT_SYMBOL(complete_request_key);

@@ -91,21 +90,19 @@ static int call_usermodehelper_keys(const char *path, char **argv, char **envp,
* Request userspace finish the construction of a key
* - execute "/sbin/request-key <op> <key> <uid> <gid> <keyring> <keyring> <keyring>"
*/
-static int call_sbin_request_key(struct key_construction *cons,
- const char *op,
- void *aux)
+static int call_sbin_request_key(struct key *authkey, void *aux)
{
static char const request_key[] = "/sbin/request-key";
+ struct request_key_auth *rka = get_request_key_auth(authkey);
const struct cred *cred = current_cred();
key_serial_t prkey, sskey;
- struct key *key = cons->key, *authkey = cons->authkey, *keyring,
- *session;
+ struct key *key = rka->target_key, *keyring, *session;
char *argv[9], *envp[3], uid_str[12], gid_str[12];
char key_str[12], keyring_str[3][12];
char desc[20];
int ret, i;

- kenter("{%d},{%d},%s", key->serial, authkey->serial, op);
+ kenter("{%d},{%d},%s", key->serial, authkey->serial, rka->op);

ret = install_user_keyrings();
if (ret < 0)
@@ -163,7 +160,7 @@ static int call_sbin_request_key(struct key_construction *cons,
/* set up the argument list */
i = 0;
argv[i++] = (char *)request_key;
- argv[i++] = (char *) op;
+ argv[i++] = (char *)rka->op;
argv[i++] = key_str;
argv[i++] = uid_str;
argv[i++] = gid_str;
@@ -191,7 +188,7 @@ static int call_sbin_request_key(struct key_construction *cons,
key_put(keyring);

error_alloc:
- complete_request_key(cons, ret);
+ complete_request_key(authkey, ret);
kleave(" = %d", ret);
return ret;
}
@@ -205,42 +202,31 @@ static int construct_key(struct key *key, const void *callout_info,
size_t callout_len, void *aux,
struct key *dest_keyring)
{
- struct key_construction *cons;
request_key_actor_t actor;
struct key *authkey;
int ret;

kenter("%d,%p,%zu,%p", key->serial, callout_info, callout_len, aux);

- cons = kmalloc(sizeof(*cons), GFP_KERNEL);
- if (!cons)
- return -ENOMEM;
-
/* allocate an authorisation key */
- authkey = request_key_auth_new(key, callout_info, callout_len,
+ authkey = request_key_auth_new(key, "create", callout_info, callout_len,
dest_keyring);
- if (IS_ERR(authkey)) {
- kfree(cons);
- ret = PTR_ERR(authkey);
- authkey = NULL;
- } else {
- cons->authkey = key_get(authkey);
- cons->key = key_get(key);
+ if (IS_ERR(authkey))
+ return PTR_ERR(authkey);

- /* make the call */
- actor = call_sbin_request_key;
- if (key->type->request_key)
- actor = key->type->request_key;
+ /* Make the call */
+ actor = call_sbin_request_key;
+ if (key->type->request_key)
+ actor = key->type->request_key;

- ret = actor(cons, "create", aux);
+ ret = actor(authkey, aux);

- /* check that the actor called complete_request_key() prior to
- * returning an error */
- WARN_ON(ret < 0 &&
- !test_bit(KEY_FLAG_REVOKED, &authkey->flags));
- key_put(authkey);
- }
+ /* check that the actor called complete_request_key() prior to
+ * returning an error */
+ WARN_ON(ret < 0 &&
+ !test_bit(KEY_FLAG_REVOKED, &authkey->flags));

+ key_put(authkey);
kleave(" = %d", ret);
return ret;
}
@@ -275,7 +261,7 @@ static int construct_get_dest_keyring(struct key **_dest_keyring)
if (cred->request_key_auth) {
authkey = cred->request_key_auth;
down_read(&authkey->sem);
- rka = authkey->payload.data[0];
+ rka = get_request_key_auth(authkey);
if (!test_bit(KEY_FLAG_REVOKED,
&authkey->flags))
dest_keyring =
diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 6797843154f0..5e515791ccd1 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -18,7 +18,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include "internal.h"
-#include <keys/user-type.h>
+#include <keys/request_key_auth-type.h>

static int request_key_auth_preparse(struct key_preparsed_payload *);
static void request_key_auth_free_preparse(struct key_preparsed_payload *);
@@ -69,7 +69,7 @@ static int request_key_auth_instantiate(struct key *key,
static void request_key_auth_describe(const struct key *key,
struct seq_file *m)
{
- struct request_key_auth *rka = key->payload.data[0];
+ struct request_key_auth *rka = get_request_key_auth(key);

seq_puts(m, "key:");
seq_puts(m, key->description);
@@ -84,7 +84,7 @@ static void request_key_auth_describe(const struct key *key,
static long request_key_auth_read(const struct key *key,
char __user *buffer, size_t buflen)
{
- struct request_key_auth *rka = key->payload.data[0];
+ struct request_key_auth *rka = get_request_key_auth(key);
size_t datalen;
long ret;

@@ -110,7 +110,7 @@ static long request_key_auth_read(const struct key *key,
*/
static void request_key_auth_revoke(struct key *key)
{
- struct request_key_auth *rka = key->payload.data[0];
+ struct request_key_auth *rka = get_request_key_auth(key);

kenter("{%d}", key->serial);

@@ -137,7 +137,7 @@ static void free_request_key_auth(struct request_key_auth *rka)
*/
static void request_key_auth_destroy(struct key *key)
{
- struct request_key_auth *rka = key->payload.data[0];
+ struct request_key_auth *rka = get_request_key_auth(key);

kenter("{%d}", key->serial);

@@ -148,8 +148,9 @@ static void request_key_auth_destroy(struct key *key)
* Create an authorisation token for /sbin/request-key or whoever to gain
* access to the caller's security data.
*/
-struct key *request_key_auth_new(struct key *target, const void *callout_info,
- size_t callout_len, struct key *dest_keyring)
+struct key *request_key_auth_new(struct key *target, const char *op,
+ const void *callout_info, size_t callout_len,
+ struct key *dest_keyring)
{
struct request_key_auth *rka, *irka;
const struct cred *cred = current->cred;
@@ -167,6 +168,7 @@ struct key *request_key_auth_new(struct key *target, const void *callout_info,
if (!rka->callout_info)
goto error_free_rka;
rka->callout_len = callout_len;
+ strlcpy(rka->op, op, sizeof(rka->op));

/* see if the calling process is already servicing the key request of
* another process */
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d6b9ed34ceae..a5d9c0146ac3 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1000,8 +1000,11 @@ static int selinux_sb_clone_mnt_opts(const struct super_block *oldsb,
BUG_ON(!(oldsbsec->flags & SE_SBINITIALIZED));

/* if fs is reusing a sb, make sure that the contexts match */
- if (newsbsec->flags & SE_SBINITIALIZED)
+ if (newsbsec->flags & SE_SBINITIALIZED) {
+ if ((kern_flags & SECURITY_LSM_NATIVE_LABELS) && !set_context)
+ *set_kern_flags |= SECURITY_LSM_NATIVE_LABELS;
return selinux_cmp_sb_context(oldsb, newsb);
+ }

mutex_lock(&newsbsec->lock);

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index 81268760b7a9..a23d6a821ff3 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -395,7 +395,8 @@ static int fsl_esai_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
break;
case SND_SOC_DAIFMT_RIGHT_J:
/* Data on rising edge of bclk, frame high, right aligned */
- xccr |= ESAI_xCCR_xCKP | ESAI_xCCR_xHCKP | ESAI_xCR_xWA;
+ xccr |= ESAI_xCCR_xCKP | ESAI_xCCR_xHCKP;
+ xcr |= ESAI_xCR_xWA;
break;
case SND_SOC_DAIFMT_DSP_A:
/* Data on rising edge of bclk, frame high, 1clk before data */
@@ -452,12 +453,12 @@ static int fsl_esai_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}

- mask = ESAI_xCR_xFSL | ESAI_xCR_xFSR;
+ mask = ESAI_xCR_xFSL | ESAI_xCR_xFSR | ESAI_xCR_xWA;
regmap_update_bits(esai_priv->regmap, REG_ESAI_TCR, mask, xcr);
regmap_update_bits(esai_priv->regmap, REG_ESAI_RCR, mask, xcr);

mask = ESAI_xCCR_xCKP | ESAI_xCCR_xHCKP | ESAI_xCCR_xFSP |
- ESAI_xCCR_xFSD | ESAI_xCCR_xCKD | ESAI_xCR_xWA;
+ ESAI_xCCR_xFSD | ESAI_xCCR_xCKD;
regmap_update_bits(esai_priv->regmap, REG_ESAI_TCCR, mask, xccr);
regmap_update_bits(esai_priv->regmap, REG_ESAI_RCCR, mask, xccr);

diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 0db2791f7035..60cc550c5a4c 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -280,7 +280,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
if (rsnd_ssi_is_multi_slave(mod, io))
return 0;

- if (ssi->usrcnt > 1) {
+ if (ssi->usrcnt > 0) {
if (ssi->rate != rate) {
dev_err(dev, "SSI parent/child should use same rate\n");
return -EINVAL;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index bba6a917cd02..e9f7c6287376 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -75,12 +75,16 @@ static int dapm_up_seq[] = {
[snd_soc_dapm_clock_supply] = 1,
[snd_soc_dapm_supply] = 2,
[snd_soc_dapm_micbias] = 3,
+ [snd_soc_dapm_vmid] = 3,
[snd_soc_dapm_dai_link] = 2,
[snd_soc_dapm_dai_in] = 4,
[snd_soc_dapm_dai_out] = 4,
[snd_soc_dapm_aif_in] = 4,
[snd_soc_dapm_aif_out] = 4,
[snd_soc_dapm_mic] = 5,
+ [snd_soc_dapm_siggen] = 5,
+ [snd_soc_dapm_input] = 5,
+ [snd_soc_dapm_output] = 5,
[snd_soc_dapm_mux] = 6,
[snd_soc_dapm_demux] = 6,
[snd_soc_dapm_dac] = 7,
@@ -88,11 +92,19 @@ static int dapm_up_seq[] = {
[snd_soc_dapm_mixer] = 8,
[snd_soc_dapm_mixer_named_ctl] = 8,
[snd_soc_dapm_pga] = 9,
+ [snd_soc_dapm_buffer] = 9,
+ [snd_soc_dapm_scheduler] = 9,
+ [snd_soc_dapm_effect] = 9,
+ [snd_soc_dapm_src] = 9,
+ [snd_soc_dapm_asrc] = 9,
+ [snd_soc_dapm_encoder] = 9,
+ [snd_soc_dapm_decoder] = 9,
[snd_soc_dapm_adc] = 10,
[snd_soc_dapm_out_drv] = 11,
[snd_soc_dapm_hp] = 11,
[snd_soc_dapm_spk] = 11,
[snd_soc_dapm_line] = 11,
+ [snd_soc_dapm_sink] = 11,
[snd_soc_dapm_kcontrol] = 12,
[snd_soc_dapm_post] = 13,
};
@@ -105,13 +117,25 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_spk] = 3,
[snd_soc_dapm_line] = 3,
[snd_soc_dapm_out_drv] = 3,
+ [snd_soc_dapm_sink] = 3,
[snd_soc_dapm_pga] = 4,
+ [snd_soc_dapm_buffer] = 4,
+ [snd_soc_dapm_scheduler] = 4,
+ [snd_soc_dapm_effect] = 4,
+ [snd_soc_dapm_src] = 4,
+ [snd_soc_dapm_asrc] = 4,
+ [snd_soc_dapm_encoder] = 4,
+ [snd_soc_dapm_decoder] = 4,
[snd_soc_dapm_switch] = 5,
[snd_soc_dapm_mixer_named_ctl] = 5,
[snd_soc_dapm_mixer] = 5,
[snd_soc_dapm_dac] = 6,
[snd_soc_dapm_mic] = 7,
+ [snd_soc_dapm_siggen] = 7,
+ [snd_soc_dapm_input] = 7,
+ [snd_soc_dapm_output] = 7,
[snd_soc_dapm_micbias] = 8,
+ [snd_soc_dapm_vmid] = 8,
[snd_soc_dapm_mux] = 9,
[snd_soc_dapm_demux] = 9,
[snd_soc_dapm_aif_in] = 10,
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index c1619860a5de..2d5cf263515b 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -2513,6 +2513,7 @@ int snd_soc_tplg_component_load(struct snd_soc_component *comp,
struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
{
struct soc_tplg tplg;
+ int ret;

/* setup parsing context */
memset(&tplg, 0, sizeof(tplg));
@@ -2526,7 +2527,12 @@ int snd_soc_tplg_component_load(struct snd_soc_component *comp,
tplg.bytes_ext_ops = ops->bytes_ext_ops;
tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;

- return soc_tplg_load(&tplg);
+ ret = soc_tplg_load(&tplg);
+ /* free the created components if fail to load topology */
+ if (ret)
+ snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
+
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);

diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index bbb9823e93b9..44c8bcefe224 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -1264,9 +1264,9 @@ static int __auxtrace_mmap__read(struct auxtrace_mmap *mm,
}

/* padding must be written by fn() e.g. record__process_auxtrace() */
- padding = size & 7;
+ padding = size & (PERF_AUXTRACE_RECORD_ALIGNMENT - 1);
if (padding)
- padding = 8 - padding;
+ padding = PERF_AUXTRACE_RECORD_ALIGNMENT - padding;

memset(&ev, 0, sizeof(ev));
ev.auxtrace.header.type = PERF_RECORD_AUXTRACE;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 33b5e6cdf38c..d273bb47b3e3 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -38,6 +38,9 @@ struct record_opts;
struct auxtrace_info_event;
struct events_stats;

+/* Auxtrace records must have the same alignment as perf event records */
+#define PERF_AUXTRACE_RECORD_ALIGNMENT 8
+
enum auxtrace_type {
PERF_AUXTRACE_UNKNOWN,
PERF_AUXTRACE_INTEL_PT,
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index d404bed7003a..f3db68abbd9a 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -26,6 +26,7 @@

#include "../cache.h"
#include "../util.h"
+#include "../auxtrace.h"

#include "intel-pt-insn-decoder.h"
#include "intel-pt-pkt-decoder.h"
@@ -1389,7 +1390,6 @@ static int intel_pt_overflow(struct intel_pt_decoder *decoder)
{
intel_pt_log("ERROR: Buffer overflow\n");
intel_pt_clear_tx_flags(decoder);
- decoder->cbr = 0;
decoder->timestamp_insn_cnt = 0;
decoder->pkt_state = INTEL_PT_STATE_ERR_RESYNC;
decoder->overflow = true;
@@ -2559,6 +2559,34 @@ static int intel_pt_tsc_cmp(uint64_t tsc1, uint64_t tsc2)
}
}

+#define MAX_PADDING (PERF_AUXTRACE_RECORD_ALIGNMENT - 1)
+
+/**
+ * adj_for_padding - adjust overlap to account for padding.
+ * @buf_b: second buffer
+ * @buf_a: first buffer
+ * @len_a: size of first buffer
+ *
+ * @buf_a might have up to 7 bytes of padding appended. Adjust the overlap
+ * accordingly.
+ *
+ * Return: A pointer into @buf_b from where non-overlapped data starts
+ */
+static unsigned char *adj_for_padding(unsigned char *buf_b,
+ unsigned char *buf_a, size_t len_a)
+{
+ unsigned char *p = buf_b - MAX_PADDING;
+ unsigned char *q = buf_a + len_a - MAX_PADDING;
+ int i;
+
+ for (i = MAX_PADDING; i; i--, p++, q++) {
+ if (*p != *q)
+ break;
+ }
+
+ return p;
+}
+
/**
* intel_pt_find_overlap_tsc - determine start of non-overlapped trace data
* using TSC.
@@ -2609,8 +2637,11 @@ static unsigned char *intel_pt_find_overlap_tsc(unsigned char *buf_a,

/* Same TSC, so buffers are consecutive */
if (!cmp && rem_b >= rem_a) {
+ unsigned char *start;
+
*consecutive = true;
- return buf_b + len_b - (rem_b - rem_a);
+ start = buf_b + len_b - (rem_b - rem_a);
+ return adj_for_padding(start, buf_a, len_a);
}
if (cmp < 0)
return buf_b; /* tsc_a < tsc_b => no overlap */
@@ -2673,7 +2704,7 @@ unsigned char *intel_pt_find_overlap(unsigned char *buf_a, size_t len_a,
found = memmem(buf_a, len_a, buf_b, len_a);
if (found) {
*consecutive = true;
- return buf_b + len_a;
+ return adj_for_padding(buf_b + len_a, buf_a, len_a);
}

/* Try again at next PSB in buffer 'a' */
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 3b118fa9da89..e8e05e7838b2 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2545,6 +2545,8 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
}

pt->timeless_decoding = intel_pt_timeless_decoding(pt);
+ if (pt->timeless_decoding && !pt->tc.time_mult)
+ pt->tc.time_mult = 1;
pt->have_tsc = intel_pt_have_tsc(pt);
pt->sampling_mode = false;
pt->est_tsc = !pt->timeless_decoding;
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index ec275b8472a9..225dc671ae31 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1955,7 +1955,7 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
return 0;
}

-void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots)
+void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
{
}

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 9b79818758dc..66cc315efa6d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -856,6 +856,7 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
int as_id, struct kvm_memslots *slots)
{
struct kvm_memslots *old_memslots = __kvm_memslots(kvm, as_id);
+ u64 gen;

/*
* Set the low bit in the generation, which disables SPTE caching
@@ -878,9 +879,11 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
* space 0 will use generations 0, 4, 8, ... while * address space 1 will
* use generations 2, 6, 10, 14, ...
*/
- slots->generation += KVM_ADDRESS_SPACE_NUM * 2 - 1;
+ gen = slots->generation + KVM_ADDRESS_SPACE_NUM * 2 - 1;

- kvm_arch_memslots_updated(kvm, slots);
+ kvm_arch_memslots_updated(kvm, gen);
+
+ slots->generation = gen;

return old_memslots;
}
\
 
 \ /
  Last update: 2019-03-24 09:45    [W:0.202 / U:22.084 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site