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SubjectRe: Linux 4.9.237
Date
diff --git a/Makefile b/Makefile
index a454c9cd126e..3c78b28c6a0d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 236
+SUBLEVEL = 237
EXTRAVERSION =
NAME = Roaring Lionus

diff --git a/arch/arc/plat-eznps/include/plat/ctop.h b/arch/arc/plat-eznps/include/plat/ctop.h
index 3c401ce0351e..fb959828630c 100644
--- a/arch/arc/plat-eznps/include/plat/ctop.h
+++ b/arch/arc/plat-eznps/include/plat/ctop.h
@@ -42,7 +42,6 @@
#define CTOP_AUX_HW_COMPLY (CTOP_AUX_BASE + 0x024)
#define CTOP_AUX_LPC (CTOP_AUX_BASE + 0x030)
#define CTOP_AUX_EFLAGS (CTOP_AUX_BASE + 0x080)
-#define CTOP_AUX_IACK (CTOP_AUX_BASE + 0x088)
#define CTOP_AUX_GPA1 (CTOP_AUX_BASE + 0x08C)
#define CTOP_AUX_UDMC (CTOP_AUX_BASE + 0x300)

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 4d496479e135..342ae7ef9f08 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -710,7 +710,7 @@
timer3: timer3@ffd00100 {
compatible = "snps,dw-apb-timer";
interrupts = <0 118 IRQ_TYPE_LEVEL_HIGH>;
- reg = <0xffd01000 0x100>;
+ reg = <0xffd00100 0x100>;
clocks = <&l4_sys_free_clk>;
clock-names = "timer";
};
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index f8a529c85279..24eb7fe7922e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -848,6 +848,7 @@ config SNI_RM
select I8253
select I8259
select ISA
+ select MIPS_L1_CACHE_SHIFT_6
select SWAP_IO_SPACE if CPU_BIG_ENDIAN
select SYS_HAS_CPU_R4X00
select SYS_HAS_CPU_R5000
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index f9407e170476..c6af7047eb0d 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -143,7 +143,10 @@ static struct platform_device sc26xx_pdev = {
},
};

-static u32 a20r_ack_hwint(void)
+/*
+ * Trigger chipset to update CPU's CAUSE IP field
+ */
+static u32 a20r_update_cause_ip(void)
{
u32 status = read_c0_status();

@@ -205,12 +208,14 @@ static void a20r_hwint(void)
int irq;

clear_c0_status(IE_IRQ0);
- status = a20r_ack_hwint();
+ status = a20r_update_cause_ip();
cause = read_c0_cause();

irq = ffs(((cause & status) >> 8) & 0xf8);
if (likely(irq > 0))
do_IRQ(SNI_A20R_IRQ_BASE + irq - 1);
+
+ a20r_update_cause_ip();
set_c0_status(IE_IRQ0);
}

diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index 76f4edd441d3..07bc4f038249 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -115,7 +115,6 @@ CONFIG_FB_NVIDIA=y
CONFIG_FB_NVIDIA_I2C=y
CONFIG_FB_RADEON=y
# CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_LOGO=y
CONFIG_SOUND=y
CONFIG_SND=y
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 8fbf49801233..1c6815bcc616 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -796,7 +796,6 @@ CONFIG_FB_TRIDENT=m
CONFIG_FB_SM501=m
CONFIG_FB_IBM_GXT4500=y
CONFIG_LCD_PLATFORM=m
-CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_LOGO=y
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index fb7cbaa37658..611e09add911 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -99,7 +99,8 @@ static u64 dma_iommu_get_required_mask(struct device *dev)
if (!tbl)
return 0;

- mask = 1ULL < (fls_long(tbl->it_offset + tbl->it_size) - 1);
+ mask = 1ULL << (fls_long(tbl->it_offset + tbl->it_size) +
+ tbl->it_page_shift - 1);
mask += mask - 1;

return mask;
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 5fa6ee2c2dde..8b5d3580ae72 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -217,7 +217,6 @@ CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_FB_EFI=y
# CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
@@ -247,6 +246,7 @@ CONFIG_USB_HIDDEV=y
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_MON=y
+CONFIG_USB_XHCI_HCD=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_OHCI_HCD=y
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index 7ef4a099defc..ef835d41cdf0 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -212,7 +212,6 @@ CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y
CONFIG_FB_EFI=y
# CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
@@ -242,6 +241,7 @@ CONFIG_USB_HIDDEV=y
CONFIG_USB=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_MON=y
+CONFIG_USB_XHCI_HCD=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_OHCI_HCD=y
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e7fe5974c81c..622e5a7eb7db 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8606,6 +8606,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
(exit_reason != EXIT_REASON_EXCEPTION_NMI &&
exit_reason != EXIT_REASON_EPT_VIOLATION &&
exit_reason != EXIT_REASON_PML_FULL &&
+ exit_reason != EXIT_REASON_APIC_ACCESS &&
exit_reason != EXIT_REASON_TASK_SWITCH)) {
vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 82296fe2ba3b..7cb2b863e653 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1013,6 +1013,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
error = make_rate (pcr, r, &tmc0, NULL);
if (error) {
kfree(tc);
+ kfree(vcc);
return error;
}
}
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 19f336752ad7..c16be18fddef 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4614,6 +4614,9 @@ static ssize_t rbd_config_info_show(struct device *dev,
{
struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);

+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
return sprintf(buf, "%s\n", rbd_dev->config_info);
}

@@ -4715,6 +4718,9 @@ static ssize_t rbd_image_refresh(struct device *dev,
struct rbd_device *rbd_dev = dev_to_rbd_dev(dev);
int ret;

+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
ret = rbd_dev_refresh(rbd_dev);
if (ret)
return ret;
@@ -6192,6 +6198,9 @@ static ssize_t do_rbd_add(struct bus_type *bus,
bool read_only;
int rc;

+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
if (!try_module_get(THIS_MODULE))
return -ENODEV;

@@ -6340,6 +6349,9 @@ static ssize_t do_rbd_remove(struct bus_type *bus,
bool force = false;
int ret;

+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
dev_id = -1;
opt_buf[0] = '\0';
sscanf(buf, "%d %5s", &dev_id, opt_buf);
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c
index 53f16efbb8f4..31785b3abac5 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -126,7 +126,7 @@ PNAME(mux_usb480m_p) = { "usb480m_phy", "xin24m" };
PNAME(mux_hdmiphy_p) = { "hdmiphy_phy", "xin24m" };
PNAME(mux_aclk_cpu_src_p) = { "cpll_aclk_cpu", "gpll_aclk_cpu", "hdmiphy_aclk_cpu" };

-PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "hdmiphy" "usb480m" };
+PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "hdmiphy", "usb480m" };
PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "hdmiphy" };
PNAME(mux_pll_src_2plls_p) = { "cpll", "gpll" };
PNAME(mux_sclk_hdmi_cec_p) = { "cpll", "gpll", "xin24m" };
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 286587607931..0f8f9a784b1b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -457,8 +457,13 @@ static int mtk_drm_probe(struct platform_device *pdev)
pm_runtime_disable(dev);
err_node:
of_node_put(private->mutex_node);
- for (i = 0; i < DDP_COMPONENT_ID_MAX; i++)
+ for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) {
of_node_put(private->comp_node[i]);
+ if (private->ddp_comp[i]) {
+ put_device(private->ddp_comp[i]->larb_dev);
+ private->ddp_comp[i] = NULL;
+ }
+ }
return ret;
}

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 9360cdce740e..7bf5e2fe1751 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -681,7 +681,7 @@ static void vmbus_wait_for_unload(void)
void *page_addr;
struct hv_message *msg;
struct vmbus_channel_message_header *hdr;
- u32 message_type;
+ u32 message_type, i;

/*
* CHANNELMSG_UNLOAD_RESPONSE is always delivered to the CPU which was
@@ -691,8 +691,11 @@ static void vmbus_wait_for_unload(void)
* functional and vmbus_unload_response() will complete
* vmbus_connection.unload_event. If not, the last thing we can do is
* read message pages for all CPUs directly.
+ *
+ * Wait no more than 10 seconds so that the panic path can't get
+ * hung forever in case the response message isn't seen.
*/
- while (1) {
+ for (i = 0; i < 1000; i++) {
if (completion_done(&vmbus_connection.unload_event))
break;

diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 3a9db4626cb6..1886588b9ea3 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -50,8 +50,22 @@ static void pca_reset(struct i2c_algo_pca_data *adap)
pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IPRESET);
pca_outw(adap, I2C_PCA_IND, 0xA5);
pca_outw(adap, I2C_PCA_IND, 0x5A);
+
+ /*
+ * After a reset we need to re-apply any configuration
+ * (calculated in pca_init) to get the bus in a working state.
+ */
+ pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_IMODE);
+ pca_outw(adap, I2C_PCA_IND, adap->bus_settings.mode);
+ pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLL);
+ pca_outw(adap, I2C_PCA_IND, adap->bus_settings.tlow);
+ pca_outw(adap, I2C_PCA_INDPTR, I2C_PCA_ISCLH);
+ pca_outw(adap, I2C_PCA_IND, adap->bus_settings.thi);
+
+ pca_set_con(adap, I2C_PCA_CON_ENSIO);
} else {
adap->reset_chip(adap->data);
+ pca_set_con(adap, I2C_PCA_CON_ENSIO | adap->bus_settings.clock_freq);
}
}

@@ -435,13 +449,14 @@ static int pca_init(struct i2c_adapter *adap)
" Use the nominal frequency.\n", adap->name);
}

- pca_reset(pca_data);
-
clock = pca_clock(pca_data);
printk(KERN_INFO "%s: Clock frequency is %dkHz\n",
adap->name, freqs[clock]);

- pca_set_con(pca_data, I2C_PCA_CON_ENSIO | clock);
+ /* Store settings as these will be needed when the PCA chip is reset */
+ pca_data->bus_settings.clock_freq = clock;
+
+ pca_reset(pca_data);
} else {
int clock;
int mode;
@@ -508,19 +523,15 @@ static int pca_init(struct i2c_adapter *adap)
thi = tlow * min_thi / min_tlow;
}

+ /* Store settings as these will be needed when the PCA chip is reset */
+ pca_data->bus_settings.mode = mode;
+ pca_data->bus_settings.tlow = tlow;
+ pca_data->bus_settings.thi = thi;
+
pca_reset(pca_data);

printk(KERN_INFO
"%s: Clock frequency is %dHz\n", adap->name, clock * 100);
-
- pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_IMODE);
- pca_outw(pca_data, I2C_PCA_IND, mode);
- pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLL);
- pca_outw(pca_data, I2C_PCA_IND, tlow);
- pca_outw(pca_data, I2C_PCA_INDPTR, I2C_PCA_ISCLH);
- pca_outw(pca_data, I2C_PCA_IND, thi);
-
- pca_set_con(pca_data, I2C_PCA_CON_ENSIO);
}
udelay(500); /* 500 us for oscillator to stabilise */

diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index b6254ce9ab3b..86fe94f9511f 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -197,6 +197,14 @@ struct bmc150_accel_data {
struct mutex mutex;
u8 fifo_mode, watermark;
s16 buffer[8];
+ /*
+ * Ensure there is sufficient space and correct alignment for
+ * the timestamp if enabled
+ */
+ struct {
+ __le16 channels[3];
+ s64 ts __aligned(8);
+ } scan;
u8 bw_bits;
u32 slope_dur;
u32 slope_thres;
@@ -933,15 +941,16 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev,
* now.
*/
for (i = 0; i < count; i++) {
- u16 sample[8];
int j, bit;

j = 0;
for_each_set_bit(bit, indio_dev->active_scan_mask,
indio_dev->masklength)
- memcpy(&sample[j++], &buffer[i * 3 + bit], 2);
+ memcpy(&data->scan.channels[j++], &buffer[i * 3 + bit],
+ sizeof(data->scan.channels[0]));

- iio_push_to_buffers_with_timestamp(indio_dev, sample, tstamp);
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
+ tstamp);

tstamp += sample_period;
}
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index 9af60ac70738..1bda730a71c0 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -212,14 +212,20 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
const struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct kxsd9_state *st = iio_priv(indio_dev);
+ /*
+ * Ensure correct positioning and alignment of timestamp.
+ * No need to zero initialize as all elements written.
+ */
+ struct {
+ __be16 chan[4];
+ s64 ts __aligned(8);
+ } hw_values;
int ret;
- /* 4 * 16bit values AND timestamp */
- __be16 hw_values[8];

ret = regmap_bulk_read(st->map,
KXSD9_REG_X,
- &hw_values,
- 8);
+ hw_values.chan,
+ sizeof(hw_values.chan));
if (ret) {
dev_err(st->dev,
"error reading data\n");
@@ -227,7 +233,7 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
}

iio_push_to_buffers_with_timestamp(indio_dev,
- hw_values,
+ &hw_values,
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);

diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c
index 6551085bedd7..f7804e56cc27 100644
--- a/drivers/iio/accel/mma7455_core.c
+++ b/drivers/iio/accel/mma7455_core.c
@@ -55,6 +55,14 @@

struct mma7455_data {
struct regmap *regmap;
+ /*
+ * Used to reorganize data. Will ensure correct alignment of
+ * the timestamp if present
+ */
+ struct {
+ __le16 channels[3];
+ s64 ts __aligned(8);
+ } scan;
};

static int mma7455_drdy(struct mma7455_data *mma7455)
@@ -85,19 +93,19 @@ static irqreturn_t mma7455_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct mma7455_data *mma7455 = iio_priv(indio_dev);
- u8 buf[16]; /* 3 x 16-bit channels + padding + ts */
int ret;

ret = mma7455_drdy(mma7455);
if (ret)
goto done;

- ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL, buf,
- sizeof(__le16) * 3);
+ ret = regmap_bulk_read(mma7455->regmap, MMA7455_REG_XOUTL,
+ mma7455->scan.channels,
+ sizeof(mma7455->scan.channels));
if (ret)
goto done;

- iio_push_to_buffers_with_timestamp(indio_dev, buf,
+ iio_push_to_buffers_with_timestamp(indio_dev, &mma7455->scan,
iio_get_time_ns(indio_dev));

done:
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 08cb814c36da..90d4179e8c3d 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -105,6 +105,12 @@ struct mma8452_data {
u8 ctrl_reg1;
u8 data_cfg;
const struct mma_chip_info *chip_info;
+
+ /* Ensure correct alignment of time stamp when present */
+ struct {
+ __be16 channels[3];
+ s64 ts __aligned(8);
+ } buffer;
};

/**
@@ -985,14 +991,13 @@ static irqreturn_t mma8452_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct mma8452_data *data = iio_priv(indio_dev);
- u8 buffer[16]; /* 3 16-bit channels + padding + ts */
int ret;

- ret = mma8452_read(data, (__be16 *)buffer);
+ ret = mma8452_read(data, data->buffer.channels);
if (ret < 0)
goto done;

- iio_push_to_buffers_with_timestamp(indio_dev, buffer,
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->buffer,
iio_get_time_ns(indio_dev));

done:
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index 59b7d76e1ad2..ce7e9a2383af 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -117,6 +117,11 @@ struct ina2xx_chip_info {
int int_time_vbus; /* Bus voltage integration time uS */
int int_time_vshunt; /* Shunt voltage integration time uS */
bool allow_async_readout;
+ /* data buffer needs space for channel data and timestamp */
+ struct {
+ u16 chan[4];
+ u64 ts __aligned(8);
+ } scan;
};

static const struct ina2xx_config ina2xx_config[] = {
@@ -459,7 +464,6 @@ static const struct iio_chan_spec ina2xx_channels[] = {
static int ina2xx_work_buffer(struct iio_dev *indio_dev)
{
struct ina2xx_chip_info *chip = iio_priv(indio_dev);
- unsigned short data[8];
int bit, ret, i = 0;
s64 time_a, time_b;
unsigned int alert;
@@ -500,13 +504,12 @@ static int ina2xx_work_buffer(struct iio_dev *indio_dev)
if (ret < 0)
return ret;

- data[i++] = val;
+ chip->scan.chan[i++] = val;
}

time_b = iio_get_time_ns(indio_dev);

- iio_push_to_buffers_with_timestamp(indio_dev,
- (unsigned int *)data, time_a);
+ iio_push_to_buffers_with_timestamp(indio_dev, &chip->scan, time_a);

return (unsigned long)(time_b - time_a) / 1000;
};
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 254135e07792..6cc6666180eb 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -99,16 +99,12 @@ static int mcp3422_update_config(struct mcp3422 *adc, u8 newconfig)
{
int ret;

- mutex_lock(&adc->lock);
-
ret = i2c_master_send(adc->i2c, &newconfig, 1);
if (ret > 0) {
adc->config = newconfig;
ret = 0;
}

- mutex_unlock(&adc->lock);
-
return ret;
}

@@ -141,6 +137,8 @@ static int mcp3422_read_channel(struct mcp3422 *adc,
u8 config;
u8 req_channel = channel->channel;

+ mutex_lock(&adc->lock);
+
if (req_channel != MCP3422_CHANNEL(adc->config)) {
config = adc->config;
config &= ~MCP3422_CHANNEL_MASK;
@@ -148,12 +146,18 @@ static int mcp3422_read_channel(struct mcp3422 *adc,
config &= ~MCP3422_PGA_MASK;
config |= MCP3422_PGA_VALUE(adc->pga[req_channel]);
ret = mcp3422_update_config(adc, config);
- if (ret < 0)
+ if (ret < 0) {
+ mutex_unlock(&adc->lock);
return ret;
+ }
msleep(mcp3422_read_times[MCP3422_SAMPLE_RATE(adc->config)]);
}

- return mcp3422_read(adc, value, &config);
+ ret = mcp3422_read(adc, value, &config);
+
+ mutex_unlock(&adc->lock);
+
+ return ret;
}

static int mcp3422_read_raw(struct iio_dev *iio,
diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c
index 319172cf7da8..d9bfe79c1747 100644
--- a/drivers/iio/adc/ti-adc081c.c
+++ b/drivers/iio/adc/ti-adc081c.c
@@ -36,6 +36,12 @@ struct adc081c {

/* 8, 10 or 12 */
int bits;
+
+ /* Ensure natural alignment of buffer elements */
+ struct {
+ u16 channel;
+ s64 ts __aligned(8);
+ } scan;
};

#define REG_CONV_RES 0x00
@@ -132,14 +138,13 @@ static irqreturn_t adc081c_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct adc081c *data = iio_priv(indio_dev);
- u16 buf[8]; /* 2 bytes data + 6 bytes padding + 8 bytes timestamp */
int ret;

ret = i2c_smbus_read_word_swapped(data->i2c, REG_CONV_RES);
if (ret < 0)
goto out;
- buf[0] = ret;
- iio_push_to_buffers_with_timestamp(indio_dev, buf,
+ data->scan.channel = ret;
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
iio_get_time_ns(indio_dev));
out:
iio_trigger_notify_done(indio_dev->trig);
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index af05e20c986b..5afe32f6587b 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -220,6 +220,7 @@ static const struct iio_chan_spec ads1115_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(ADS1015_TIMESTAMP),
};

+#ifdef CONFIG_PM
static int ads1015_set_power_state(struct ads1015_data *data, bool on)
{
int ret;
@@ -237,6 +238,15 @@ static int ads1015_set_power_state(struct ads1015_data *data, bool on)
return ret < 0 ? ret : 0;
}

+#else /* !CONFIG_PM */
+
+static int ads1015_set_power_state(struct ads1015_data *data, bool on)
+{
+ return 0;
+}
+
+#endif /* !CONFIG_PM */
+
static
int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val)
{
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index c298fd86ed86..a8f9bc12ee23 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1218,13 +1218,16 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct ltr501_data *data = iio_priv(indio_dev);
- u16 buf[8];
+ struct {
+ u16 channels[3];
+ s64 ts __aligned(8);
+ } scan;
__le16 als_buf[2];
u8 mask = 0;
int j = 0;
int ret, psdata;

- memset(buf, 0, sizeof(buf));
+ memset(&scan, 0, sizeof(scan));

/* figure out which data needs to be ready */
if (test_bit(0, indio_dev->active_scan_mask) ||
@@ -1243,9 +1246,9 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p)
if (ret < 0)
return ret;
if (test_bit(0, indio_dev->active_scan_mask))
- buf[j++] = le16_to_cpu(als_buf[1]);
+ scan.channels[j++] = le16_to_cpu(als_buf[1]);
if (test_bit(1, indio_dev->active_scan_mask))
- buf[j++] = le16_to_cpu(als_buf[0]);
+ scan.channels[j++] = le16_to_cpu(als_buf[0]);
}

if (mask & LTR501_STATUS_PS_RDY) {
@@ -1253,10 +1256,10 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p)
&psdata, 2);
if (ret < 0)
goto done;
- buf[j++] = psdata & LTR501_PS_DATA_MASK;
+ scan.channels[j++] = psdata & LTR501_PS_DATA_MASK;
}

- iio_push_to_buffers_with_timestamp(indio_dev, buf,
+ iio_push_to_buffers_with_timestamp(indio_dev, &scan,
iio_get_time_ns(indio_dev));

done:
diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c
index a8ffa432bf0d..87662c88fbeb 100644
--- a/drivers/iio/light/max44000.c
+++ b/drivers/iio/light/max44000.c
@@ -78,6 +78,11 @@
struct max44000_data {
struct mutex lock;
struct regmap *regmap;
+ /* Ensure naturally aligned timestamp */
+ struct {
+ u16 channels[2];
+ s64 ts __aligned(8);
+ } scan;
};

/* Default scale is set to the minimum of 0.03125 or 1 / (1 << 5) lux */
@@ -491,7 +496,6 @@ static irqreturn_t max44000_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct max44000_data *data = iio_priv(indio_dev);
- u16 buf[8]; /* 2x u16 + padding + 8 bytes timestamp */
int index = 0;
unsigned int regval;
int ret;
@@ -501,17 +505,17 @@ static irqreturn_t max44000_trigger_handler(int irq, void *p)
ret = max44000_read_alsval(data);
if (ret < 0)
goto out_unlock;
- buf[index++] = ret;
+ data->scan.channels[index++] = ret;
}
if (test_bit(MAX44000_SCAN_INDEX_PRX, indio_dev->active_scan_mask)) {
ret = regmap_read(data->regmap, MAX44000_REG_PRX_DATA, &regval);
if (ret < 0)
goto out_unlock;
- buf[index] = regval;
+ data->scan.channels[index] = regval;
}
mutex_unlock(&data->lock);

- iio_push_to_buffers_with_timestamp(indio_dev, buf,
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index af8606cc7812..2a4e23e20ebc 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -381,6 +381,12 @@ struct ak8975_data {
struct iio_mount_matrix orientation;
struct regulator *vdd;
struct regulator *vid;
+
+ /* Ensure natural alignment of timestamp */
+ struct {
+ s16 channels[3];
+ s64 ts __aligned(8);
+ } scan;
};

/* Enable attached power regulator if any. */
@@ -690,6 +696,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
struct ak8975_data *data = iio_priv(indio_dev);
const struct i2c_client *client = data->client;
const struct ak_def *def = data->def;
+ __le16 rval;
u16 buff;
int ret;

@@ -703,7 +710,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)

ret = i2c_smbus_read_i2c_block_data_or_emulated(
client, def->data_regs[index],
- sizeof(buff), (u8*)&buff);
+ sizeof(rval), (u8*)&rval);
if (ret < 0)
goto exit;

@@ -713,7 +720,7 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val)
pm_runtime_put_autosuspend(&data->client->dev);

/* Swap bytes and convert to valid range. */
- buff = le16_to_cpu(buff);
+ buff = le16_to_cpu(rval);
*val = clamp_t(s16, buff, -def->range, def->range);
return IIO_VAL_INT;

@@ -812,7 +819,7 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
const struct i2c_client *client = data->client;
const struct ak_def *def = data->def;
int ret;
- s16 buff[8]; /* 3 x 16 bits axis values + 1 aligned 64 bits timestamp */
+ __le16 fval[3];

mutex_lock(&data->lock);

@@ -826,20 +833,21 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
*/
ret = i2c_smbus_read_i2c_block_data_or_emulated(client,
def->data_regs[0],
- 3 * sizeof(buff[0]),
- (u8 *)buff);
+ 3 * sizeof(fval[0]),
+ (u8 *)fval);
if (ret < 0)
goto unlock;

mutex_unlock(&data->lock);

/* Clamp to valid range. */
- buff[0] = clamp_t(s16, le16_to_cpu(buff[0]), -def->range, def->range);
- buff[1] = clamp_t(s16, le16_to_cpu(buff[1]), -def->range, def->range);
- buff[2] = clamp_t(s16, le16_to_cpu(buff[2]), -def->range, def->range);
+ data->scan.channels[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range);
+ data->scan.channels[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range);
+ data->scan.channels[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range);

- iio_push_to_buffers_with_timestamp(indio_dev, buff,
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
iio_get_time_ns(indio_dev));
+
return;

unlock:
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index ab6c3c25d7ff..9f6234585532 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -168,9 +168,6 @@ static int rxe_init_ports(struct rxe_dev *rxe)

rxe_init_port_param(port);

- if (!port->attr.pkey_tbl_len || !port->attr.gid_tbl_len)
- return -EINVAL;
-
port->pkey_tbl = kcalloc(port->attr.pkey_tbl_len,
sizeof(*port->pkey_tbl), GFP_KERNEL);

@@ -178,7 +175,7 @@ static int rxe_init_ports(struct rxe_dev *rxe)
return -ENOMEM;

port->pkey_tbl[0] = 0xffff;
- port->port_guid = rxe->ifc_ops->port_guid(rxe);
+ port->port_guid = rxe_port_guid(rxe);

spin_lock_init(&port->port_lock);

diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 73849a5a91b3..cd7663062d01 100644
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/drivers/infiniband/sw/rxe/rxe_loc.h
@@ -141,6 +141,22 @@ void rxe_mem_cleanup(void *arg);

int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);

+/* rxe_net.c */
+int rxe_loopback(struct sk_buff *skb);
+int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+ struct sk_buff *skb);
+__be64 rxe_port_guid(struct rxe_dev *rxe);
+struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
+ int paylen, struct rxe_pkt_info *pkt);
+int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+ struct sk_buff *skb, u32 *crc);
+enum rdma_link_layer rxe_link_layer(struct rxe_dev *rxe, unsigned int port_num);
+const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
+struct device *rxe_dma_device(struct rxe_dev *rxe);
+__be64 rxe_node_guid(struct rxe_dev *rxe);
+int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid);
+int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid);
+
/* rxe_qp.c */
int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);

@@ -256,9 +272,9 @@ static inline int rxe_xmit_packet(struct rxe_dev *rxe, struct rxe_qp *qp,

if (pkt->mask & RXE_LOOPBACK_MASK) {
memcpy(SKB_TO_PKT(skb), pkt, sizeof(*pkt));
- err = rxe->ifc_ops->loopback(skb);
+ err = rxe_loopback(skb);
} else {
- err = rxe->ifc_ops->send(rxe, pkt, skb);
+ err = rxe_send(rxe, pkt, skb);
}

if (err) {
diff --git a/drivers/infiniband/sw/rxe/rxe_mcast.c b/drivers/infiniband/sw/rxe/rxe_mcast.c
index fa95544ca7e0..890eb6d5c471 100644
--- a/drivers/infiniband/sw/rxe/rxe_mcast.c
+++ b/drivers/infiniband/sw/rxe/rxe_mcast.c
@@ -61,7 +61,7 @@ int rxe_mcast_get_grp(struct rxe_dev *rxe, union ib_gid *mgid,

rxe_add_key(grp, mgid);

- err = rxe->ifc_ops->mcast_add(rxe, mgid);
+ err = rxe_mcast_add(rxe, mgid);
if (err)
goto err2;

@@ -186,5 +186,5 @@ void rxe_mc_cleanup(void *arg)
struct rxe_dev *rxe = grp->rxe;

rxe_drop_key(grp);
- rxe->ifc_ops->mcast_delete(rxe, &grp->mgid);
+ rxe_mcast_delete(rxe, &grp->mgid);
}
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index 9b732c5f89e1..6d1ba75398a1 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -205,6 +205,7 @@ int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd *pd, u64 start,
vaddr = page_address(sg_page(sg));
if (!vaddr) {
pr_warn("null vaddr\n");
+ ib_umem_release(umem);
err = -ENOMEM;
goto err1;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index d19e003e8381..e39261234528 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -102,17 +102,17 @@ static __be64 rxe_mac_to_eui64(struct net_device *ndev)
return eui64;
}

-static __be64 node_guid(struct rxe_dev *rxe)
+__be64 rxe_node_guid(struct rxe_dev *rxe)
{
return rxe_mac_to_eui64(rxe->ndev);
}

-static __be64 port_guid(struct rxe_dev *rxe)
+__be64 rxe_port_guid(struct rxe_dev *rxe)
{
return rxe_mac_to_eui64(rxe->ndev);
}

-static struct device *dma_device(struct rxe_dev *rxe)
+struct device *rxe_dma_device(struct rxe_dev *rxe)
{
struct net_device *ndev;

@@ -124,7 +124,7 @@ static struct device *dma_device(struct rxe_dev *rxe)
return ndev->dev.parent;
}

-static int mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
+int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
{
int err;
unsigned char ll_addr[ETH_ALEN];
@@ -135,7 +135,7 @@ static int mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
return err;
}

-static int mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid)
+int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid)
{
int err;
unsigned char ll_addr[ETH_ALEN];
@@ -399,8 +399,8 @@ static int prepare6(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
return 0;
}

-static int prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
- struct sk_buff *skb, u32 *crc)
+int rxe_prepare(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
+ struct sk_buff *skb, u32 *crc)
{
int err = 0;
struct rxe_av *av = rxe_get_av(pkt);
@@ -426,8 +426,7 @@ static void rxe_skb_tx_dtor(struct sk_buff *skb)
rxe_run_task(&qp->req.task, 1);
}

-static int send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
- struct sk_buff *skb)
+int rxe_send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, struct sk_buff *skb)
{
struct sk_buff *nskb;
struct rxe_av *av;
@@ -462,7 +461,7 @@ static int send(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
return 0;
}

-static int loopback(struct sk_buff *skb)
+int rxe_loopback(struct sk_buff *skb)
{
return rxe_rcv(skb);
}
@@ -472,8 +471,8 @@ static inline int addr_same(struct rxe_dev *rxe, struct rxe_av *av)
return rxe->port.port_guid == av->grh.dgid.global.interface_id;
}

-static struct sk_buff *init_packet(struct rxe_dev *rxe, struct rxe_av *av,
- int paylen, struct rxe_pkt_info *pkt)
+struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
+ int paylen, struct rxe_pkt_info *pkt)
{
unsigned int hdr_len;
struct sk_buff *skb;
@@ -512,31 +511,16 @@ static struct sk_buff *init_packet(struct rxe_dev *rxe, struct rxe_av *av,
* this is required by rxe_cfg to match rxe devices in
* /sys/class/infiniband up with their underlying ethernet devices
*/
-static char *parent_name(struct rxe_dev *rxe, unsigned int port_num)
+const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num)
{
return rxe->ndev->name;
}

-static enum rdma_link_layer link_layer(struct rxe_dev *rxe,
- unsigned int port_num)
+enum rdma_link_layer rxe_link_layer(struct rxe_dev *rxe, unsigned int port_num)
{
return IB_LINK_LAYER_ETHERNET;
}

-static struct rxe_ifc_ops ifc_ops = {
- .node_guid = node_guid,
- .port_guid = port_guid,
- .dma_device = dma_device,
- .mcast_add = mcast_add,
- .mcast_delete = mcast_delete,
- .prepare = prepare,
- .send = send,
- .loopback = loopback,
- .init_packet = init_packet,
- .parent_name = parent_name,
- .link_layer = link_layer,
-};
-
struct rxe_dev *rxe_net_add(struct net_device *ndev)
{
int err;
@@ -546,7 +530,6 @@ struct rxe_dev *rxe_net_add(struct net_device *ndev)
if (!rxe)
return NULL;

- rxe->ifc_ops = &ifc_ops;
rxe->ndev = ndev;

err = rxe_add(rxe, ndev->mtu);
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 6fb771290c56..5a2d7b0050f4 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -412,7 +412,7 @@ static struct sk_buff *init_req_packet(struct rxe_qp *qp,

/* init skb */
av = rxe_get_av(pkt);
- skb = rxe->ifc_ops->init_packet(rxe, av, paylen, pkt);
+ skb = rxe_init_packet(rxe, av, paylen, pkt);
if (unlikely(!skb))
return NULL;

@@ -483,7 +483,7 @@ static int fill_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
u32 *p;
int err;

- err = rxe->ifc_ops->prepare(rxe, pkt, skb, &crc);
+ err = rxe_prepare(rxe, pkt, skb, &crc);
if (err)
return err;

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 5bfea23f3b60..5733d9d2fcdc 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -600,7 +600,7 @@ static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp,
pad = (-payload) & 0x3;
paylen = rxe_opcode[opcode].length + payload + pad + RXE_ICRC_SIZE;

- skb = rxe->ifc_ops->init_packet(rxe, &qp->pri_av, paylen, ack);
+ skb = rxe_init_packet(rxe, &qp->pri_av, paylen, ack);
if (!skb)
return NULL;

@@ -629,7 +629,7 @@ static struct sk_buff *prepare_ack_packet(struct rxe_qp *qp,
if (ack->mask & RXE_ATMACK_MASK)
atmack_set_orig(ack, qp->resp.atomic_orig);

- err = rxe->ifc_ops->prepare(rxe, ack, skb, &crc);
+ err = rxe_prepare(rxe, ack, skb, &crc);
if (err) {
kfree_skb(skb);
return NULL;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index ef13082d6ca1..3b24ce8e3b3c 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -234,7 +234,7 @@ static enum rdma_link_layer rxe_get_link_layer(struct ib_device *dev,
{
struct rxe_dev *rxe = to_rdev(dev);

- return rxe->ifc_ops->link_layer(rxe, port_num);
+ return rxe_link_layer(rxe, port_num);
}

static struct ib_ucontext *rxe_alloc_ucontext(struct ib_device *dev,
@@ -1194,10 +1194,8 @@ static ssize_t rxe_show_parent(struct device *device,
{
struct rxe_dev *rxe = container_of(device, struct rxe_dev,
ib_dev.dev);
- char *name;

- name = rxe->ifc_ops->parent_name(rxe, 1);
- return snprintf(buf, 16, "%s\n", name);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", rxe_parent_name(rxe, 1));
}

static DEVICE_ATTR(parent, S_IRUGO, rxe_show_parent, NULL);
@@ -1219,9 +1217,9 @@ int rxe_register_device(struct rxe_dev *rxe)
dev->node_type = RDMA_NODE_IB_CA;
dev->phys_port_cnt = 1;
dev->num_comp_vectors = RXE_NUM_COMP_VECTORS;
- dev->dma_device = rxe->ifc_ops->dma_device(rxe);
+ dev->dma_device = rxe_dma_device(rxe);
dev->local_dma_lkey = 0;
- dev->node_guid = rxe->ifc_ops->node_guid(rxe);
+ dev->node_guid = rxe_node_guid(rxe);
dev->dma_ops = &rxe_dma_mapping_ops;

dev->uverbs_abi_ver = RXE_UVERBS_ABI_VERSION;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index dee3853163b6..d4a84f49dfd8 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -373,26 +373,6 @@ struct rxe_port {
u32 qp_gsi_index;
};

-/* callbacks from rdma_rxe to network interface layer */
-struct rxe_ifc_ops {
- void (*release)(struct rxe_dev *rxe);
- __be64 (*node_guid)(struct rxe_dev *rxe);
- __be64 (*port_guid)(struct rxe_dev *rxe);
- struct device *(*dma_device)(struct rxe_dev *rxe);
- int (*mcast_add)(struct rxe_dev *rxe, union ib_gid *mgid);
- int (*mcast_delete)(struct rxe_dev *rxe, union ib_gid *mgid);
- int (*prepare)(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
- struct sk_buff *skb, u32 *crc);
- int (*send)(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
- struct sk_buff *skb);
- int (*loopback)(struct sk_buff *skb);
- struct sk_buff *(*init_packet)(struct rxe_dev *rxe, struct rxe_av *av,
- int paylen, struct rxe_pkt_info *pkt);
- char *(*parent_name)(struct rxe_dev *rxe, unsigned int port_num);
- enum rdma_link_layer (*link_layer)(struct rxe_dev *rxe,
- unsigned int port_num);
-};
-
struct rxe_dev {
struct ib_device ib_dev;
struct ib_device_attr attr;
@@ -401,8 +381,6 @@ struct rxe_dev {
struct kref ref_cnt;
struct mutex usdev_lock;

- struct rxe_ifc_ops *ifc_ops;
-
struct net_device *ndev;

int xmit_errors;
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index bdc42923523e..e5799639fb54 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -552,6 +552,14 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
},
},
+ {
+ /* Entroware Proteus */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+ },
+ },
{ }
};

@@ -752,6 +760,14 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
},
},
+ {
+ /* Entroware Proteus */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+ },
+ },
{ }
};

diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index a408abc25512..7f99fb666f19 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -377,6 +377,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
memcpy(&state(hdlc)->settings, &new_settings, size);
spin_lock_init(&state(hdlc)->lock);
dev->header_ops = &cisco_header_ops;
+ dev->hard_header_len = sizeof(struct hdlc_header);
dev->type = ARPHRD_CISCO;
call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
netif_dormant_on(dev);
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 6eb0f7a85e53..c6db9a4e7c45 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -213,6 +213,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb)

skb->dev = dev = lapbeth->ethdev;

+ skb_reset_network_header(skb);
+
dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0);

dev_queue_xmit(skb);
@@ -343,6 +345,7 @@ static int lapbeth_new_device(struct net_device *dev)
*/
ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len
+ dev->needed_headroom;
+ ndev->needed_tailroom = dev->needed_tailroom;

lapbeth = netdev_priv(ndev);
lapbeth->axdev = ndev;
diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index 850e75571c8e..bb1e878913f3 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -981,7 +981,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev,
rc = down_killable(&stcontext->exchange_lock);
if (rc) {
WARN(1, "Semaphore is not found up in st95hf_in_send_cmd\n");
- return rc;
+ goto free_skb_resp;
}

rc = st95hf_spi_send(&stcontext->spicontext, skb->data,
diff --git a/drivers/rapidio/Kconfig b/drivers/rapidio/Kconfig
index d6d2f20c4597..21df2816def7 100644
--- a/drivers/rapidio/Kconfig
+++ b/drivers/rapidio/Kconfig
@@ -25,7 +25,7 @@ config RAPIDIO_ENABLE_RX_TX_PORTS
config RAPIDIO_DMA_ENGINE
bool "DMA Engine support for RapidIO"
depends on RAPIDIO
- select DMADEVICES
+ depends on DMADEVICES
select DMA_ENGINE
help
Say Y here if you want to use DMA Engine frameork for RapidIO data
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 18d57c0efe9f..9355b65920ab 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1191,7 +1191,7 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
const char *consumer_dev_name,
const char *supply)
{
- struct regulator_map *node;
+ struct regulator_map *node, *new_node;
int has_dev;

if (supply == NULL)
@@ -1202,6 +1202,22 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
else
has_dev = 0;

+ new_node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL);
+ if (new_node == NULL)
+ return -ENOMEM;
+
+ new_node->regulator = rdev;
+ new_node->supply = supply;
+
+ if (has_dev) {
+ new_node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
+ if (new_node->dev_name == NULL) {
+ kfree(new_node);
+ return -ENOMEM;
+ }
+ }
+
+ mutex_lock(&regulator_list_mutex);
list_for_each_entry(node, &regulator_map_list, list) {
if (node->dev_name && consumer_dev_name) {
if (strcmp(node->dev_name, consumer_dev_name) != 0)
@@ -1219,26 +1235,19 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
node->regulator->desc->name,
supply,
dev_name(&rdev->dev), rdev_get_name(rdev));
- return -EBUSY;
+ goto fail;
}

- node = kzalloc(sizeof(struct regulator_map), GFP_KERNEL);
- if (node == NULL)
- return -ENOMEM;
-
- node->regulator = rdev;
- node->supply = supply;
-
- if (has_dev) {
- node->dev_name = kstrdup(consumer_dev_name, GFP_KERNEL);
- if (node->dev_name == NULL) {
- kfree(node);
- return -ENOMEM;
- }
- }
+ list_add(&new_node->list, &regulator_map_list);
+ mutex_unlock(&regulator_list_mutex);

- list_add(&node->list, &regulator_map_list);
return 0;
+
+fail:
+ mutex_unlock(&regulator_list_mutex);
+ kfree(new_node->dev_name);
+ kfree(new_node);
+ return -EBUSY;
}

static void unset_regulator_supplies(struct regulator_dev *rdev)
@@ -4034,19 +4043,16 @@ regulator_register(const struct regulator_desc *regulator_desc,

/* add consumers devices */
if (init_data) {
- mutex_lock(&regulator_list_mutex);
for (i = 0; i < init_data->num_consumer_supplies; i++) {
ret = set_consumer_device_supply(rdev,
init_data->consumer_supplies[i].dev_name,
init_data->consumer_supplies[i].supply);
if (ret < 0) {
- mutex_unlock(&regulator_list_mutex);
dev_err(dev, "Failed to set supply %s\n",
init_data->consumer_supplies[i].supply);
goto unset_supplies;
}
}
- mutex_unlock(&regulator_list_mutex);
}

if (!rdev->desc->ops->get_voltage &&
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 87f5e694dbed..b820c3a022ea 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -227,7 +227,10 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
task->num_scatter = si;
}

- task->data_dir = qc->dma_dir;
+ if (qc->tf.protocol == ATA_PROT_NODATA)
+ task->data_dir = DMA_NONE;
+ else
+ task->data_dir = qc->dma_dir;
task->scatter = qc->sg;
task->ata_task.retry_count = 1;
task->task_state_flags = SAS_TASK_STATE_PENDING;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 09dbf3021bb0..7d4a5bb91606 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3865,7 +3865,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
out:
if (ndlp && NLP_CHK_NODE_ACT(ndlp) && shost) {
spin_lock_irq(shost->host_lock);
- ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI);
+ if (mbox)
+ ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN;
+ ndlp->nlp_flag &= ~NLP_RM_DFLT_RPI;
spin_unlock_irq(shost->host_lock);

/* If the node is not being used by another discovery thread,
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index e64a13f0bce1..61a2da30f94b 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -795,7 +795,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,

res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res)
- return res;
+ goto ex_err;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_dev;
ccb->ccb_tag = ccb_tag;
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 50e620f4e8fe..7120083fe761 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -74,7 +74,7 @@ static struct spi_test spi_tests[] = {
{
.description = "tx/rx-transfer - crossing PAGE_SIZE",
.fill_option = FILL_COUNT_8,
- .iterate_len = { ITERATE_MAX_LEN },
+ .iterate_len = { ITERATE_LEN },
.iterate_tx_align = ITERATE_ALIGN,
.iterate_rx_align = ITERATE_ALIGN,
.transfers = {
diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index b6251691a33d..2bc415a19ced 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -462,6 +462,15 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
val = ucontrol->value.integer.value[0] & mask;
connect = !!val;

+ ret = gb_pm_runtime_get_sync(bundle);
+ if (ret)
+ return ret;
+
+ ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
+ GB_AUDIO_INVALID_INDEX, &gbvalue);
+ if (ret)
+ goto exit;
+
/* update ucontrol */
if (gbvalue.value.integer_value[0] != val) {
for (wi = 0; wi < wlist->num_widgets; wi++) {
@@ -475,25 +484,17 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
gbvalue.value.integer_value[0] =
ucontrol->value.integer.value[0];

- ret = gb_pm_runtime_get_sync(bundle);
- if (ret)
- return ret;
-
ret = gb_audio_gb_set_control(module->mgmt_connection,
data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
-
- gb_pm_runtime_put_autosuspend(bundle);
-
- if (ret) {
- dev_err_ratelimited(codec->dev,
- "%d:Error in %s for %s\n", ret,
- __func__, kcontrol->id.name);
- return ret;
- }
}

- return 0;
+exit:
+ gb_pm_runtime_put_autosuspend(bundle);
+ if (ret)
+ dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
+ __func__, kcontrol->id.name);
+ return ret;
}

#define SOC_DAPM_MIXER_GB(xname, kcount, data) \
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 52ad5c137d9f..9d4e3b0d366f 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -523,13 +523,8 @@ static void hfa384x_usb_defer(struct work_struct *data)
----------------------------------------------------------------*/
void hfa384x_create(struct hfa384x *hw, struct usb_device *usb)
{
- memset(hw, 0, sizeof(struct hfa384x));
hw->usb = usb;

- /* set up the endpoints */
- hw->endp_in = usb_rcvbulkpipe(usb, 1);
- hw->endp_out = usb_sndbulkpipe(usb, 2);
-
/* Set up the waitq */
init_waitqueue_head(&hw->cmdq);

diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index 5297e7d1c663..bf617620e17b 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -60,23 +60,14 @@ static int prism2sta_probe_usb(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *dev;
- const struct usb_endpoint_descriptor *epd;
- const struct usb_host_interface *iface_desc = interface->cur_altsetting;
+ struct usb_endpoint_descriptor *bulk_in, *bulk_out;
+ struct usb_host_interface *iface_desc = interface->cur_altsetting;
struct wlandevice *wlandev = NULL;
struct hfa384x *hw = NULL;
int result = 0;

- if (iface_desc->desc.bNumEndpoints != 2) {
- result = -ENODEV;
- goto failed;
- }
-
- result = -EINVAL;
- epd = &iface_desc->endpoint[1].desc;
- if (!usb_endpoint_is_bulk_in(epd))
- goto failed;
- epd = &iface_desc->endpoint[2].desc;
- if (!usb_endpoint_is_bulk_out(epd))
+ result = usb_find_common_endpoints(iface_desc, &bulk_in, &bulk_out, NULL, NULL);
+ if (result)
goto failed;

dev = interface_to_usbdev(interface);
@@ -95,6 +86,8 @@ static int prism2sta_probe_usb(struct usb_interface *interface,
}

/* Initialize the hw data */
+ hw->endp_in = usb_rcvbulkpipe(dev, bulk_in->bEndpointAddress);
+ hw->endp_out = usb_sndbulkpipe(dev, bulk_out->bEndpointAddress);
hfa384x_create(hw, dev);
hw->wlandev = wlandev;

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 2b8fbcd8dde2..7c0f4b96816a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1396,14 +1396,27 @@ static u32 iscsit_do_crypto_hash_sg(
sg = cmd->first_data_sg;
page_off = cmd->first_data_sg_off;

+ if (data_length && page_off) {
+ struct scatterlist first_sg;
+ u32 len = min_t(u32, data_length, sg->length - page_off);
+
+ sg_init_table(&first_sg, 1);
+ sg_set_page(&first_sg, sg_page(sg), len, sg->offset + page_off);
+
+ ahash_request_set_crypt(hash, &first_sg, NULL, len);
+ crypto_ahash_update(hash);
+
+ data_length -= len;
+ sg = sg_next(sg);
+ }
+
while (data_length) {
- u32 cur_len = min_t(u32, data_length, (sg->length - page_off));
+ u32 cur_len = min_t(u32, data_length, sg->length);

ahash_request_set_crypt(hash, sg, NULL, cur_len);
crypto_ahash_update(hash);

data_length -= cur_len;
- page_off = 0;
/* iscsit_map_iovec has already checked for invalid sg pointers */
sg = sg_next(sg);
}
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 985e600908e0..82a414432fd4 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1150,7 +1150,7 @@ iscsit_conn_set_transport(struct iscsi_conn *conn, struct iscsit_transport *t)
}

void iscsi_target_login_sess_out(struct iscsi_conn *conn,
- struct iscsi_np *np, bool zero_tsih, bool new_sess)
+ bool zero_tsih, bool new_sess)
{
if (!new_sess)
goto old_sess_out;
@@ -1172,7 +1172,6 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn,
conn->sess = NULL;

old_sess_out:
- iscsi_stop_login_thread_timer(np);
/*
* If login negotiation fails check if the Time2Retain timer
* needs to be restarted.
@@ -1432,8 +1431,9 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
new_sess_out:
new_sess = true;
old_sess_out:
+ iscsi_stop_login_thread_timer(np);
tpg_np = conn->tpg_np;
- iscsi_target_login_sess_out(conn, np, zero_tsih, new_sess);
+ iscsi_target_login_sess_out(conn, zero_tsih, new_sess);
new_sess = false;

if (tpg) {
diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h
index b597aa2c61a1..e9daabbb4f54 100644
--- a/drivers/target/iscsi/iscsi_target_login.h
+++ b/drivers/target/iscsi/iscsi_target_login.h
@@ -14,8 +14,7 @@ extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32);
extern void iscsit_free_conn(struct iscsi_np *, struct iscsi_conn *);
extern int iscsit_start_kthreads(struct iscsi_conn *);
extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8);
-extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *,
- bool, bool);
+extern void iscsi_target_login_sess_out(struct iscsi_conn *, bool, bool);
extern int iscsi_target_login_thread(void *);

#endif /*** ISCSI_TARGET_LOGIN_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index e8efb4299a95..26b8828101ea 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -548,12 +548,11 @@ static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned in

static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login)
{
- struct iscsi_np *np = login->np;
bool zero_tsih = login->zero_tsih;

iscsi_remove_failed_auth_entry(conn);
iscsi_target_nego_release(conn);
- iscsi_target_login_sess_out(conn, np, zero_tsih, true);
+ iscsi_target_login_sess_out(conn, zero_tsih, true);
}

static void iscsi_target_login_timeout(unsigned long data)
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 2c38b3a1d518..a9c46e10d204 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -5709,6 +5709,17 @@ static struct pci_device_id serial_pci_tbl[] = {
0,
0, pbn_exar_XR17V358 },

+ /*
+ * Realtek RealManage
+ */
+ { PCI_VENDOR_ID_REALTEK, 0x816a,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0, pbn_b0_1_115200 },
+
+ { PCI_VENDOR_ID_REALTEK, 0x816b,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0, pbn_b0_1_115200 },
+
/* Fintek PCI serial cards */
{ PCI_DEVICE(0x1c29, 0x1104), .driver_data = pbn_fintek_4 },
{ PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 },
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index c578d64edc15..71c2ae4b8106 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -840,6 +840,11 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t len, lo
if (rv < 0)
return rv;

+ if (!usblp->present) {
+ count = -ENODEV;
+ goto done;
+ }
+
if ((avail = usblp->rstatus) < 0) {
printk(KERN_ERR "usblp%d: error %d reading from printer\n",
usblp->minor, (int)avail);
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index e33d23c2f6ea..7c4937013429 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1142,6 +1142,34 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf,
}
}

+/*
+ * usb_disable_device_endpoints -- Disable all endpoints for a device
+ * @dev: the device whose endpoints are being disabled
+ * @skip_ep0: 0 to disable endpoint 0, 1 to skip it.
+ */
+static void usb_disable_device_endpoints(struct usb_device *dev, int skip_ep0)
+{
+ struct usb_hcd *hcd = bus_to_hcd(dev->bus);
+ int i;
+
+ if (hcd->driver->check_bandwidth) {
+ /* First pass: Cancel URBs, leave endpoint pointers intact. */
+ for (i = skip_ep0; i < 16; ++i) {
+ usb_disable_endpoint(dev, i, false);
+ usb_disable_endpoint(dev, i + USB_DIR_IN, false);
+ }
+ /* Remove endpoints from the host controller internal state */
+ mutex_lock(hcd->bandwidth_mutex);
+ usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+ mutex_unlock(hcd->bandwidth_mutex);
+ }
+ /* Second pass: remove endpoint pointers */
+ for (i = skip_ep0; i < 16; ++i) {
+ usb_disable_endpoint(dev, i, true);
+ usb_disable_endpoint(dev, i + USB_DIR_IN, true);
+ }
+}
+
/**
* usb_disable_device - Disable all the endpoints for a USB device
* @dev: the device whose endpoints are being disabled
@@ -1155,7 +1183,6 @@ void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf,
void usb_disable_device(struct usb_device *dev, int skip_ep0)
{
int i;
- struct usb_hcd *hcd = bus_to_hcd(dev->bus);

/* getting rid of interfaces will disconnect
* any drivers bound to them (a key side effect)
@@ -1201,22 +1228,8 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)

dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__,
skip_ep0 ? "non-ep0" : "all");
- if (hcd->driver->check_bandwidth) {
- /* First pass: Cancel URBs, leave endpoint pointers intact. */
- for (i = skip_ep0; i < 16; ++i) {
- usb_disable_endpoint(dev, i, false);
- usb_disable_endpoint(dev, i + USB_DIR_IN, false);
- }
- /* Remove endpoints from the host controller internal state */
- mutex_lock(hcd->bandwidth_mutex);
- usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
- mutex_unlock(hcd->bandwidth_mutex);
- /* Second pass: remove endpoint pointers */
- }
- for (i = skip_ep0; i < 16; ++i) {
- usb_disable_endpoint(dev, i, true);
- usb_disable_endpoint(dev, i + USB_DIR_IN, true);
- }
+
+ usb_disable_device_endpoints(dev, skip_ep0);
}

/**
@@ -1459,6 +1472,9 @@ EXPORT_SYMBOL_GPL(usb_set_interface);
* The caller must own the device lock.
*
* Return: Zero on success, else a negative error code.
+ *
+ * If this routine fails the device will probably be in an unusable state
+ * with endpoints disabled, and interfaces only partially enabled.
*/
int usb_reset_configuration(struct usb_device *dev)
{
@@ -1474,10 +1490,7 @@ int usb_reset_configuration(struct usb_device *dev)
* calls during probe() are fine
*/

- for (i = 1; i < 16; ++i) {
- usb_disable_endpoint(dev, i, true);
- usb_disable_endpoint(dev, i + USB_DIR_IN, true);
- }
+ usb_disable_device_endpoints(dev, 1); /* skip ep0*/

config = dev->actconfig;
retval = 0;
@@ -1490,34 +1503,10 @@ int usb_reset_configuration(struct usb_device *dev)
mutex_unlock(hcd->bandwidth_mutex);
return -ENOMEM;
}
- /* Make sure we have enough bandwidth for each alternate setting 0 */
- for (i = 0; i < config->desc.bNumInterfaces; i++) {
- struct usb_interface *intf = config->interface[i];
- struct usb_host_interface *alt;

- alt = usb_altnum_to_altsetting(intf, 0);
- if (!alt)
- alt = &intf->altsetting[0];
- if (alt != intf->cur_altsetting)
- retval = usb_hcd_alloc_bandwidth(dev, NULL,
- intf->cur_altsetting, alt);
- if (retval < 0)
- break;
- }
- /* If not, reinstate the old alternate settings */
+ /* xHCI adds all endpoints in usb_hcd_alloc_bandwidth */
+ retval = usb_hcd_alloc_bandwidth(dev, config, NULL, NULL);
if (retval < 0) {
-reset_old_alts:
- for (i--; i >= 0; i--) {
- struct usb_interface *intf = config->interface[i];
- struct usb_host_interface *alt;
-
- alt = usb_altnum_to_altsetting(intf, 0);
- if (!alt)
- alt = &intf->altsetting[0];
- if (alt != intf->cur_altsetting)
- usb_hcd_alloc_bandwidth(dev, NULL,
- alt, intf->cur_altsetting);
- }
usb_enable_lpm(dev);
mutex_unlock(hcd->bandwidth_mutex);
return retval;
@@ -1526,8 +1515,12 @@ int usb_reset_configuration(struct usb_device *dev)
USB_REQ_SET_CONFIGURATION, 0,
config->desc.bConfigurationValue, 0,
NULL, 0, USB_CTRL_SET_TIMEOUT);
- if (retval < 0)
- goto reset_old_alts;
+ if (retval < 0) {
+ usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+ usb_enable_lpm(dev);
+ mutex_unlock(hcd->bandwidth_mutex);
+ return retval;
+ }
mutex_unlock(hcd->bandwidth_mutex);

/* re-init hc/hcd interface/endpoint state */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index eed7c8d8e3d4..dd72e85f2e17 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -236,6 +236,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Generic RTL8153 based ethernet adapters */
{ USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },

+ /* SONiX USB DEVICE Touchpad */
+ { USB_DEVICE(0x0c45, 0x7056), .driver_info =
+ USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
/* Action Semiconductor flash disk */
{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 1a232b4ffe71..f6c6d99eb388 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -848,7 +848,11 @@ read_descriptors(struct file *filp, struct kobject *kobj,
size_t srclen, n;
int cfgno;
void *src;
+ int retval;

+ retval = usb_lock_device_interruptible(udev);
+ if (retval < 0)
+ return -EINTR;
/* The binary attribute begins with the device descriptor.
* Following that are the raw descriptor entries for all the
* configurations (config plus subsidiary descriptors).
@@ -873,6 +877,7 @@ read_descriptors(struct file *filp, struct kobject *kobj,
off -= srclen;
}
}
+ usb_unlock_device(udev);
return count - nleft;
}

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index f3996ba71a59..beebf02130d7 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -72,6 +72,89 @@ MODULE_PARM_DESC(autosuspend, "default autosuspend delay");
#endif


+/**
+ * usb_find_common_endpoints() -- look up common endpoint descriptors
+ * @alt: alternate setting to search
+ * @bulk_in: pointer to descriptor pointer, or NULL
+ * @bulk_out: pointer to descriptor pointer, or NULL
+ * @int_in: pointer to descriptor pointer, or NULL
+ * @int_out: pointer to descriptor pointer, or NULL
+ *
+ * Search the alternate setting's endpoint descriptors for the first bulk-in,
+ * bulk-out, interrupt-in and interrupt-out endpoints and return them in the
+ * provided pointers (unless they are NULL).
+ *
+ * If a requested endpoint is not found, the corresponding pointer is set to
+ * NULL.
+ *
+ * Return: Zero if all requested descriptors were found, or -ENXIO otherwise.
+ */
+int usb_find_common_endpoints(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **bulk_in,
+ struct usb_endpoint_descriptor **bulk_out,
+ struct usb_endpoint_descriptor **int_in,
+ struct usb_endpoint_descriptor **int_out)
+{
+ struct usb_endpoint_descriptor *epd;
+ int i;
+
+ if (bulk_in)
+ *bulk_in = NULL;
+ if (bulk_out)
+ *bulk_out = NULL;
+ if (int_in)
+ *int_in = NULL;
+ if (int_out)
+ *int_out = NULL;
+
+ for (i = 0; i < alt->desc.bNumEndpoints; ++i) {
+ epd = &alt->endpoint[i].desc;
+
+ switch (usb_endpoint_type(epd)) {
+ case USB_ENDPOINT_XFER_BULK:
+ if (usb_endpoint_dir_in(epd)) {
+ if (bulk_in && !*bulk_in) {
+ *bulk_in = epd;
+ break;
+ }
+ } else {
+ if (bulk_out && !*bulk_out) {
+ *bulk_out = epd;
+ break;
+ }
+ }
+
+ continue;
+ case USB_ENDPOINT_XFER_INT:
+ if (usb_endpoint_dir_in(epd)) {
+ if (int_in && !*int_in) {
+ *int_in = epd;
+ break;
+ }
+ } else {
+ if (int_out && !*int_out) {
+ *int_out = epd;
+ break;
+ }
+ }
+
+ continue;
+ default:
+ continue;
+ }
+
+ if ((!bulk_in || *bulk_in) &&
+ (!bulk_out || *bulk_out) &&
+ (!int_in || *int_in) &&
+ (!int_out || *int_out)) {
+ return 0;
+ }
+ }
+
+ return -ENXIO;
+}
+EXPORT_SYMBOL_GPL(usb_find_common_endpoints);
+
/**
* usb_find_alt_setting() - Given a configuration, find the alternate setting
* for the given interface.
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 063064801ceb..b3d6cc1a8021 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -35,6 +35,7 @@
#include <linux/interrupt.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
+#include <linux/usb/otg.h>
#include <linux/moduleparam.h>
#include <linux/dma-mapping.h>
#include <linux/debugfs.h>
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 74f62d68f013..3a3926ff7b85 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -27,7 +27,6 @@
*/

/*-------------------------------------------------------------------------*/
-#include <linux/usb/otg.h>

#define PORT_WAKE_BITS (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0c8b24ff44a0..838123dc390c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -708,6 +708,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
{ USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
{ USB_DEVICE(XSENS_VID, XSENS_MTDEVBOARD_PID) },
+ { USB_DEVICE(XSENS_VID, XSENS_MTIUSBCONVERTER_PID) },
{ USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
{ USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 32a40ab9a385..c33e06752b5f 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -159,6 +159,7 @@
#define XSENS_AWINDA_DONGLE_PID 0x0102
#define XSENS_MTW_PID 0x0200 /* Xsens MTw */
#define XSENS_MTDEVBOARD_PID 0x0300 /* Motion Tracker Development Board */
+#define XSENS_MTIUSBCONVERTER_PID 0x0301 /* MTi USB converter */
#define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */

/* Xsens devices using FTDI VID */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 52b1092ed57e..8cff50ef4fd1 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1808,6 +1808,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */
{ USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */
.driver_info = RSVD(7) },
+ { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9205, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT+ECM mode */
+ { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) }, /* Simcom SIM7070/SIM7080/SIM7090 AT-only mode */
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
.driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) },
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D),
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index bb7556952a18..8378e92f7c04 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -670,8 +670,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
if (devinfo->resetting) {
cmnd->result = DID_ERROR << 16;
cmnd->scsi_done(cmnd);
- spin_unlock_irqrestore(&devinfo->lock, flags);
- return 0;
+ goto zombie;
}

/* Find a free uas-tag */
@@ -706,6 +705,16 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
cmdinfo->state &= ~(SUBMIT_DATA_IN_URB | SUBMIT_DATA_OUT_URB);

err = uas_submit_urbs(cmnd, devinfo);
+ /*
+ * in case of fatal errors the SCSI layer is peculiar
+ * a command that has finished is a success for the purpose
+ * of queueing, no matter how fatal the error
+ */
+ if (err == -ENODEV) {
+ cmnd->result = DID_ERROR << 16;
+ cmnd->scsi_done(cmnd);
+ goto zombie;
+ }
if (err) {
/* If we did nothing, give up now */
if (cmdinfo->state & SUBMIT_STATUS_URB) {
@@ -716,6 +725,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd,
}

devinfo->cmnd[idx] = cmnd;
+zombie:
spin_unlock_irqrestore(&devinfo->lock, flags);
return 0;
}
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 38da6e299149..c31715019cb4 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -22,31 +22,6 @@ config VGA_CONSOLE

Say Y.

-config VGACON_SOFT_SCROLLBACK
- bool "Enable Scrollback Buffer in System RAM"
- depends on VGA_CONSOLE
- default n
- help
- The scrollback buffer of the standard VGA console is located in
- the VGA RAM. The size of this RAM is fixed and is quite small.
- If you require a larger scrollback buffer, this can be placed in
- System RAM which is dynamically allocated during initialization.
- Placing the scrollback buffer in System RAM will slightly slow
- down the console.
-
- If you want this feature, say 'Y' here and enter the amount of
- RAM to allocate for this buffer. If unsure, say 'N'.
-
-config VGACON_SOFT_SCROLLBACK_SIZE
- int "Scrollback Buffer Size (in KB)"
- depends on VGACON_SOFT_SCROLLBACK
- range 1 1024
- default "64"
- help
- Enter the amount of System RAM to allocate for the scrollback
- buffer. Each 64KB will give you approximately 16 80x25
- screenfuls of scrollback buffer
-
config MDA_CONSOLE
depends on !M68K && !PARISC && ISA
tristate "MDA text console (dual-headed)"
diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
index 05d1d36a5665..a7ab8323304d 100644
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -234,7 +234,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
}

static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg)
+ int fg, int bg)
{
struct fb_cursor cursor;
struct fbcon_ops *ops = info->fbcon_par;
@@ -247,15 +247,6 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,

cursor.set = 0;

- if (softback_lines) {
- if (y + softback_lines >= vc->vc_rows) {
- mode = CM_ERASE;
- ops->cursor_flash = 0;
- return;
- } else
- y += softback_lines;
- }
-
c = scr_readw((u16 *) vc->vc_pos);
attribute = get_attribute(info, c);
src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height));
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index dd6797e54e8a..4b7d0f9a820a 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -101,12 +101,6 @@ static int logo_lines;
/* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO
enums. */
static int logo_shown = FBCON_LOGO_CANSHOW;
-/* Software scrollback */
-static int fbcon_softback_size = 32768;
-static unsigned long softback_buf, softback_curr;
-static unsigned long softback_in;
-static unsigned long softback_top, softback_end;
-static int softback_lines;
/* console mappings */
static int first_fb_vc;
static int last_fb_vc = MAX_NR_CONSOLES - 1;
@@ -140,8 +134,6 @@ static int fbcon_has_sysfs;

static const struct consw fb_con;

-#define CM_SOFTBACK (8)
-
#define advance_row(p, delta) (unsigned short *)((unsigned long)(p) + (delta) * vc->vc_size_row)

static int fbcon_set_origin(struct vc_data *);
@@ -349,18 +341,6 @@ static int get_color(struct vc_data *vc, struct fb_info *info,
return color;
}

-static void fbcon_update_softback(struct vc_data *vc)
-{
- int l = fbcon_softback_size / vc->vc_size_row;
-
- if (l > 5)
- softback_end = softback_buf + l * vc->vc_size_row;
- else
- /* Smaller scrollback makes no sense, and 0 would screw
- the operation totally */
- softback_top = 0;
-}
-
static void fb_flashcursor(struct work_struct *work)
{
struct fb_info *info = container_of(work, struct fb_info, queue);
@@ -390,7 +370,7 @@ static void fb_flashcursor(struct work_struct *work)
c = scr_readw((u16 *) vc->vc_pos);
mode = (!ops->cursor_flash || ops->cursor_state.enable) ?
CM_ERASE : CM_DRAW;
- ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
+ ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
get_color(vc, info, c, 0));
console_unlock();
}
@@ -450,13 +430,7 @@ static int __init fb_console_setup(char *this_opt)
}

if (!strncmp(options, "scrollback:", 11)) {
- options += 11;
- if (*options) {
- fbcon_softback_size = simple_strtoul(options, &options, 0);
- if (*options == 'k' || *options == 'K') {
- fbcon_softback_size *= 1024;
- }
- }
+ pr_warn("Ignoring scrollback size option\n");
continue;
}

@@ -961,31 +935,6 @@ static const char *fbcon_startup(void)
p->con_rotate = initial_rotation;
set_blitting_type(vc, info);

- if (info->fix.type != FB_TYPE_TEXT) {
- if (fbcon_softback_size) {
- if (!softback_buf) {
- softback_buf =
- (unsigned long)
- kmalloc(fbcon_softback_size,
- GFP_KERNEL);
- if (!softback_buf) {
- fbcon_softback_size = 0;
- softback_top = 0;
- }
- }
- } else {
- if (softback_buf) {
- kfree((void *) softback_buf);
- softback_buf = 0;
- softback_top = 0;
- }
- }
- if (softback_buf)
- softback_in = softback_top = softback_curr =
- softback_buf;
- softback_lines = 0;
- }
-
/* Setup default font */
if (!p->fontdata && !vc->vc_font.data) {
if (!fontname[0] || !(font = find_font(fontname)))
@@ -1148,9 +1097,6 @@ static void fbcon_init(struct vc_data *vc, int init)
if (logo)
fbcon_prepare_logo(vc, info, cols, rows, new_cols, new_rows);

- if (vc == svc && softback_buf)
- fbcon_update_softback(vc);
-
if (ops->rotate_font && ops->rotate_font(info, vc)) {
ops->rotate = FB_ROTATE_UR;
set_blitting_type(vc, info);
@@ -1310,7 +1256,6 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct fbcon_ops *ops = info->fbcon_par;
- int y;
int c = scr_readw((u16 *) vc->vc_pos);

ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
@@ -1324,16 +1269,8 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
fbcon_add_cursor_timer(info);

ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
- if (mode & CM_SOFTBACK) {
- mode &= ~CM_SOFTBACK;
- y = softback_lines;
- } else {
- if (softback_lines)
- fbcon_set_origin(vc);
- y = 0;
- }

- ops->cursor(vc, info, mode, y, get_color(vc, info, c, 1),
+ ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
get_color(vc, info, c, 0));
}

@@ -1404,8 +1341,6 @@ static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,

if (con_is_visible(vc)) {
update_screen(vc);
- if (softback_buf)
- fbcon_update_softback(vc);
}
}

@@ -1543,99 +1478,6 @@ static __inline__ void ypan_down_redraw(struct vc_data *vc, int t, int count)
scrollback_current = 0;
}

-static void fbcon_redraw_softback(struct vc_data *vc, struct display *p,
- long delta)
-{
- int count = vc->vc_rows;
- unsigned short *d, *s;
- unsigned long n;
- int line = 0;
-
- d = (u16 *) softback_curr;
- if (d == (u16 *) softback_in)
- d = (u16 *) vc->vc_origin;
- n = softback_curr + delta * vc->vc_size_row;
- softback_lines -= delta;
- if (delta < 0) {
- if (softback_curr < softback_top && n < softback_buf) {
- n += softback_end - softback_buf;
- if (n < softback_top) {
- softback_lines -=
- (softback_top - n) / vc->vc_size_row;
- n = softback_top;
- }
- } else if (softback_curr >= softback_top
- && n < softback_top) {
- softback_lines -=
- (softback_top - n) / vc->vc_size_row;
- n = softback_top;
- }
- } else {
- if (softback_curr > softback_in && n >= softback_end) {
- n += softback_buf - softback_end;
- if (n > softback_in) {
- n = softback_in;
- softback_lines = 0;
- }
- } else if (softback_curr <= softback_in && n > softback_in) {
- n = softback_in;
- softback_lines = 0;
- }
- }
- if (n == softback_curr)
- return;
- softback_curr = n;
- s = (u16 *) softback_curr;
- if (s == (u16 *) softback_in)
- s = (u16 *) vc->vc_origin;
- while (count--) {
- unsigned short *start;
- unsigned short *le;
- unsigned short c;
- int x = 0;
- unsigned short attr = 1;
-
- start = s;
- le = advance_row(s, 1);
- do {
- c = scr_readw(s);
- if (attr != (c & 0xff00)) {
- attr = c & 0xff00;
- if (s > start) {
- fbcon_putcs(vc, start, s - start,
- line, x);
- x += s - start;
- start = s;
- }
- }
- if (c == scr_readw(d)) {
- if (s > start) {
- fbcon_putcs(vc, start, s - start,
- line, x);
- x += s - start + 1;
- start = s + 1;
- } else {
- x++;
- start++;
- }
- }
- s++;
- d++;
- } while (s < le);
- if (s > start)
- fbcon_putcs(vc, start, s - start, line, x);
- line++;
- if (d == (u16 *) softback_end)
- d = (u16 *) softback_buf;
- if (d == (u16 *) softback_in)
- d = (u16 *) vc->vc_origin;
- if (s == (u16 *) softback_end)
- s = (u16 *) softback_buf;
- if (s == (u16 *) softback_in)
- s = (u16 *) vc->vc_origin;
- }
-}
-
static void fbcon_redraw_move(struct vc_data *vc, struct display *p,
int line, int count, int dy)
{
@@ -1775,31 +1617,6 @@ static void fbcon_redraw(struct vc_data *vc, struct display *p,
}
}

-static inline void fbcon_softback_note(struct vc_data *vc, int t,
- int count)
-{
- unsigned short *p;
-
- if (vc->vc_num != fg_console)
- return;
- p = (unsigned short *) (vc->vc_origin + t * vc->vc_size_row);
-
- while (count) {
- scr_memcpyw((u16 *) softback_in, p, vc->vc_size_row);
- count--;
- p = advance_row(p, 1);
- softback_in += vc->vc_size_row;
- if (softback_in == softback_end)
- softback_in = softback_buf;
- if (softback_in == softback_top) {
- softback_top += vc->vc_size_row;
- if (softback_top == softback_end)
- softback_top = softback_buf;
- }
- }
- softback_curr = softback_in;
-}
-
static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
int count)
{
@@ -1822,8 +1639,6 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
case SM_UP:
if (count > vc->vc_rows) /* Maximum realistic size */
count = vc->vc_rows;
- if (softback_top)
- fbcon_softback_note(vc, t, count);
if (logo_shown >= 0)
goto redraw_up;
switch (p->scrollmode) {
@@ -2128,7 +1943,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
struct fb_var_screeninfo var = info->var;
int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh;

- if (ops->p && ops->p->userfont && FNTSIZE(vc->vc_font.data)) {
+ if (p->userfont && FNTSIZE(vc->vc_font.data)) {
int size;
int pitch = PITCH(vc->vc_font.width);

@@ -2194,14 +2009,6 @@ static int fbcon_switch(struct vc_data *vc)
info = registered_fb[con2fb_map[vc->vc_num]];
ops = info->fbcon_par;

- if (softback_top) {
- if (softback_lines)
- fbcon_set_origin(vc);
- softback_top = softback_curr = softback_in = softback_buf;
- softback_lines = 0;
- fbcon_update_softback(vc);
- }
-
if (logo_shown >= 0) {
struct vc_data *conp2 = vc_cons[logo_shown].d;

@@ -2535,9 +2342,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
int cnt;
char *old_data = NULL;

- if (con_is_visible(vc) && softback_lines)
- fbcon_set_origin(vc);
-
resize = (w != vc->vc_font.width) || (h != vc->vc_font.height);
if (p->userfont)
old_data = vc->vc_font.data;
@@ -2563,8 +2367,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
cols /= w;
rows /= h;
vc_resize(vc, cols, rows);
- if (con_is_visible(vc) && softback_buf)
- fbcon_update_softback(vc);
} else if (con_is_visible(vc)
&& vc->vc_mode == KD_TEXT) {
fbcon_clear_margins(vc, 0);
@@ -2722,19 +2524,7 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)

static u16 *fbcon_screen_pos(struct vc_data *vc, int offset)
{
- unsigned long p;
- int line;
-
- if (vc->vc_num != fg_console || !softback_lines)
- return (u16 *) (vc->vc_origin + offset);
- line = offset / vc->vc_size_row;
- if (line >= softback_lines)
- return (u16 *) (vc->vc_origin + offset -
- softback_lines * vc->vc_size_row);
- p = softback_curr + offset;
- if (p >= softback_end)
- p += softback_buf - softback_end;
- return (u16 *) p;
+ return (u16 *) (vc->vc_origin + offset);
}

static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos,
@@ -2748,22 +2538,7 @@ static unsigned long fbcon_getxy(struct vc_data *vc, unsigned long pos,

x = offset % vc->vc_cols;
y = offset / vc->vc_cols;
- if (vc->vc_num == fg_console)
- y += softback_lines;
ret = pos + (vc->vc_cols - x) * 2;
- } else if (vc->vc_num == fg_console && softback_lines) {
- unsigned long offset = pos - softback_curr;
-
- if (pos < softback_curr)
- offset += softback_end - softback_buf;
- offset /= 2;
- x = offset % vc->vc_cols;
- y = offset / vc->vc_cols;
- ret = pos + (vc->vc_cols - x) * 2;
- if (ret == softback_end)
- ret = softback_buf;
- if (ret == softback_in)
- ret = vc->vc_origin;
} else {
/* Should not happen */
x = y = 0;
@@ -2791,106 +2566,11 @@ static void fbcon_invert_region(struct vc_data *vc, u16 * p, int cnt)
a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) |
(((a) & 0x0700) << 4);
scr_writew(a, p++);
- if (p == (u16 *) softback_end)
- p = (u16 *) softback_buf;
- if (p == (u16 *) softback_in)
- p = (u16 *) vc->vc_origin;
}
}

-static void fbcon_scrolldelta(struct vc_data *vc, int lines)
-{
- struct fb_info *info = registered_fb[con2fb_map[fg_console]];
- struct fbcon_ops *ops = info->fbcon_par;
- struct display *disp = &fb_display[fg_console];
- int offset, limit, scrollback_old;
-
- if (softback_top) {
- if (vc->vc_num != fg_console)
- return;
- if (vc->vc_mode != KD_TEXT || !lines)
- return;
- if (logo_shown >= 0) {
- struct vc_data *conp2 = vc_cons[logo_shown].d;
-
- if (conp2->vc_top == logo_lines
- && conp2->vc_bottom == conp2->vc_rows)
- conp2->vc_top = 0;
- if (logo_shown == vc->vc_num) {
- unsigned long p, q;
- int i;
-
- p = softback_in;
- q = vc->vc_origin +
- logo_lines * vc->vc_size_row;
- for (i = 0; i < logo_lines; i++) {
- if (p == softback_top)
- break;
- if (p == softback_buf)
- p = softback_end;
- p -= vc->vc_size_row;
- q -= vc->vc_size_row;
- scr_memcpyw((u16 *) q, (u16 *) p,
- vc->vc_size_row);
- }
- softback_in = softback_curr = p;
- update_region(vc, vc->vc_origin,
- logo_lines * vc->vc_cols);
- }
- logo_shown = FBCON_LOGO_CANSHOW;
- }
- fbcon_cursor(vc, CM_ERASE | CM_SOFTBACK);
- fbcon_redraw_softback(vc, disp, lines);
- fbcon_cursor(vc, CM_DRAW | CM_SOFTBACK);
- return;
- }
-
- if (!scrollback_phys_max)
- return;
-
- scrollback_old = scrollback_current;
- scrollback_current -= lines;
- if (scrollback_current < 0)
- scrollback_current = 0;
- else if (scrollback_current > scrollback_max)
- scrollback_current = scrollback_max;
- if (scrollback_current == scrollback_old)
- return;
-
- if (fbcon_is_inactive(vc, info))
- return;
-
- fbcon_cursor(vc, CM_ERASE);
-
- offset = disp->yscroll - scrollback_current;
- limit = disp->vrows;
- switch (disp->scrollmode) {
- case SCROLL_WRAP_MOVE:
- info->var.vmode |= FB_VMODE_YWRAP;
- break;
- case SCROLL_PAN_MOVE:
- case SCROLL_PAN_REDRAW:
- limit -= vc->vc_rows;
- info->var.vmode &= ~FB_VMODE_YWRAP;
- break;
- }
- if (offset < 0)
- offset += limit;
- else if (offset >= limit)
- offset -= limit;
-
- ops->var.xoffset = 0;
- ops->var.yoffset = offset * vc->vc_font.height;
- ops->update_start(info);
-
- if (!scrollback_current)
- fbcon_cursor(vc, CM_DRAW);
-}
-
static int fbcon_set_origin(struct vc_data *vc)
{
- if (softback_lines)
- fbcon_scrolldelta(vc, softback_lines);
return 0;
}

@@ -2954,8 +2634,6 @@ static void fbcon_modechanged(struct fb_info *info)

fbcon_set_palette(vc, color_table);
update_screen(vc);
- if (softback_buf)
- fbcon_update_softback(vc);
}
}

@@ -3375,7 +3053,6 @@ static const struct consw fb_con = {
.con_font_default = fbcon_set_def_font,
.con_font_copy = fbcon_copy_font,
.con_set_palette = fbcon_set_palette,
- .con_scrolldelta = fbcon_scrolldelta,
.con_set_origin = fbcon_set_origin,
.con_invert_region = fbcon_invert_region,
.con_screen_pos = fbcon_screen_pos,
@@ -3584,9 +3261,6 @@ static void fbcon_exit(void)
if (fbcon_has_exited)
return;

- kfree((void *)softback_buf);
- softback_buf = 0UL;
-
for (i = 0; i < FB_MAX; i++) {
int pending = 0;

diff --git a/drivers/video/console/fbcon.h b/drivers/video/console/fbcon.h
index 7aaa4eabbba0..5ebdccd070eb 100644
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -62,7 +62,7 @@ struct fbcon_ops {
void (*clear_margins)(struct vc_data *vc, struct fb_info *info,
int bottom_only);
void (*cursor)(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg);
+ int fg, int bg);
int (*update_start)(struct fb_info *info);
int (*rotate_font)(struct fb_info *info, struct vc_data *vc);
struct fb_var_screeninfo var; /* copy of the current fb_var_screeninfo */
diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
index 34da8bba9273..586702752005 100644
--- a/drivers/video/console/fbcon_ccw.c
+++ b/drivers/video/console/fbcon_ccw.c
@@ -219,7 +219,7 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info,
}

static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg)
+ int fg, int bg)
{
struct fb_cursor cursor;
struct fbcon_ops *ops = info->fbcon_par;
@@ -236,15 +236,6 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode,

cursor.set = 0;

- if (softback_lines) {
- if (y + softback_lines >= vc->vc_rows) {
- mode = CM_ERASE;
- ops->cursor_flash = 0;
- return;
- } else
- y += softback_lines;
- }
-
c = scr_readw((u16 *) vc->vc_pos);
attribute = get_attribute(info, c);
src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
index 0b552b3fc22a..f5a1134049f8 100644
--- a/drivers/video/console/fbcon_cw.c
+++ b/drivers/video/console/fbcon_cw.c
@@ -202,7 +202,7 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info,
}

static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg)
+ int fg, int bg)
{
struct fb_cursor cursor;
struct fbcon_ops *ops = info->fbcon_par;
@@ -219,15 +219,6 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode,

cursor.set = 0;

- if (softback_lines) {
- if (y + softback_lines >= vc->vc_rows) {
- mode = CM_ERASE;
- ops->cursor_flash = 0;
- return;
- } else
- y += softback_lines;
- }
-
c = scr_readw((u16 *) vc->vc_pos);
attribute = get_attribute(info, c);
src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.width));
diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
index 7f62efe2da52..cf8dac9ca2bb 100644
--- a/drivers/video/console/fbcon_ud.c
+++ b/drivers/video/console/fbcon_ud.c
@@ -249,7 +249,7 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info,
}

static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg)
+ int fg, int bg)
{
struct fb_cursor cursor;
struct fbcon_ops *ops = info->fbcon_par;
@@ -267,15 +267,6 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode,

cursor.set = 0;

- if (softback_lines) {
- if (y + softback_lines >= vc->vc_rows) {
- mode = CM_ERASE;
- ops->cursor_flash = 0;
- return;
- } else
- y += softback_lines;
- }
-
c = scr_readw((u16 *) vc->vc_pos);
attribute = get_attribute(info, c);
src = ops->fontbuffer + ((c & charmask) * (w * vc->vc_font.height));
diff --git a/drivers/video/console/tileblit.c b/drivers/video/console/tileblit.c
index 15e8e1a89c45..3c0b242dba5f 100644
--- a/drivers/video/console/tileblit.c
+++ b/drivers/video/console/tileblit.c
@@ -80,7 +80,7 @@ static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,
}

static void tile_cursor(struct vc_data *vc, struct fb_info *info, int mode,
- int softback_lines, int fg, int bg)
+ int fg, int bg)
{
struct fb_tilecursor cursor;
int use_sw = (vc->vc_cursor_type & 0x10);
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index d45ba7317b22..b38ee2354cbf 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -179,157 +179,6 @@ static inline void vga_set_mem_top(struct vc_data *c)
write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
}

-#ifdef CONFIG_VGACON_SOFT_SCROLLBACK
-/* software scrollback */
-static void *vgacon_scrollback;
-static int vgacon_scrollback_tail;
-static int vgacon_scrollback_size;
-static int vgacon_scrollback_rows;
-static int vgacon_scrollback_cnt;
-static int vgacon_scrollback_cur;
-static int vgacon_scrollback_save;
-static int vgacon_scrollback_restore;
-
-static void vgacon_scrollback_init(int pitch)
-{
- int rows = CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024/pitch;
-
- if (vgacon_scrollback) {
- vgacon_scrollback_cnt = 0;
- vgacon_scrollback_tail = 0;
- vgacon_scrollback_cur = 0;
- vgacon_scrollback_rows = rows - 1;
- vgacon_scrollback_size = rows * pitch;
- }
-}
-
-static void vgacon_scrollback_startup(void)
-{
- vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT);
- vgacon_scrollback_init(vga_video_num_columns * 2);
-}
-
-static void vgacon_scrollback_update(struct vc_data *c, int t, int count)
-{
- void *p;
-
- if (!vgacon_scrollback_size || c->vc_num != fg_console)
- return;
-
- p = (void *) (c->vc_origin + t * c->vc_size_row);
-
- while (count--) {
- if ((vgacon_scrollback_tail + c->vc_size_row) >
- vgacon_scrollback_size)
- vgacon_scrollback_tail = 0;
-
- scr_memcpyw(vgacon_scrollback + vgacon_scrollback_tail,
- p, c->vc_size_row);
- vgacon_scrollback_cnt++;
- p += c->vc_size_row;
- vgacon_scrollback_tail += c->vc_size_row;
-
- if (vgacon_scrollback_tail >= vgacon_scrollback_size)
- vgacon_scrollback_tail = 0;
-
- if (vgacon_scrollback_cnt > vgacon_scrollback_rows)
- vgacon_scrollback_cnt = vgacon_scrollback_rows;
-
- vgacon_scrollback_cur = vgacon_scrollback_cnt;
- }
-}
-
-static void vgacon_restore_screen(struct vc_data *c)
-{
- vgacon_scrollback_save = 0;
-
- if (!vga_is_gfx && !vgacon_scrollback_restore) {
- scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf,
- c->vc_screenbuf_size > vga_vram_size ?
- vga_vram_size : c->vc_screenbuf_size);
- vgacon_scrollback_restore = 1;
- vgacon_scrollback_cur = vgacon_scrollback_cnt;
- }
-}
-
-static void vgacon_scrolldelta(struct vc_data *c, int lines)
-{
- int start, end, count, soff;
-
- if (!lines) {
- c->vc_visible_origin = c->vc_origin;
- vga_set_mem_top(c);
- return;
- }
-
- if (!vgacon_scrollback)
- return;
-
- if (!vgacon_scrollback_save) {
- vgacon_cursor(c, CM_ERASE);
- vgacon_save_screen(c);
- vgacon_scrollback_save = 1;
- }
-
- vgacon_scrollback_restore = 0;
- start = vgacon_scrollback_cur + lines;
- end = start + abs(lines);
-
- if (start < 0)
- start = 0;
-
- if (start > vgacon_scrollback_cnt)
- start = vgacon_scrollback_cnt;
-
- if (end < 0)
- end = 0;
-
- if (end > vgacon_scrollback_cnt)
- end = vgacon_scrollback_cnt;
-
- vgacon_scrollback_cur = start;
- count = end - start;
- soff = vgacon_scrollback_tail - ((vgacon_scrollback_cnt - end) *
- c->vc_size_row);
- soff -= count * c->vc_size_row;
-
- if (soff < 0)
- soff += vgacon_scrollback_size;
-
- count = vgacon_scrollback_cnt - start;
-
- if (count > c->vc_rows)
- count = c->vc_rows;
-
- if (count) {
- int copysize;
-
- int diff = c->vc_rows - count;
- void *d = (void *) c->vc_origin;
- void *s = (void *) c->vc_screenbuf;
-
- count *= c->vc_size_row;
- /* how much memory to end of buffer left? */
- copysize = min(count, vgacon_scrollback_size - soff);
- scr_memcpyw(d, vgacon_scrollback + soff, copysize);
- d += copysize;
- count -= copysize;
-
- if (count) {
- scr_memcpyw(d, vgacon_scrollback, count);
- d += count;
- }
-
- if (diff)
- scr_memcpyw(d, s, diff * c->vc_size_row);
- } else
- vgacon_cursor(c, CM_MOVE);
-}
-#else
-#define vgacon_scrollback_startup(...) do { } while (0)
-#define vgacon_scrollback_init(...) do { } while (0)
-#define vgacon_scrollback_update(...) do { } while (0)
-
static void vgacon_restore_screen(struct vc_data *c)
{
if (c->vc_origin != c->vc_visible_origin)
@@ -365,7 +214,6 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines)
}
vga_set_mem_top(c);
}
-#endif /* CONFIG_VGACON_SOFT_SCROLLBACK */

static const char *vgacon_startup(void)
{
@@ -562,10 +410,7 @@ static const char *vgacon_startup(void)
vgacon_xres = screen_info.orig_video_cols * VGA_FONTWIDTH;
vgacon_yres = vga_scan_lines;

- if (!vga_init_done) {
- vgacon_scrollback_startup();
- vga_init_done = 1;
- }
+ vga_init_done = 1;

return display_desc;
}
@@ -861,7 +706,6 @@ static int vgacon_switch(struct vc_data *c)
vgacon_doresize(c, c->vc_cols, c->vc_rows);
}

- vgacon_scrollback_init(c->vc_size_row);
return 0; /* Redrawing not needed */
}

@@ -1391,7 +1235,6 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir,
oldo = c->vc_origin;
delta = lines * c->vc_size_row;
if (dir == SM_UP) {
- vgacon_scrollback_update(c, t, lines);
if (c->vc_scr_end + delta >= vga_vram_end) {
scr_memcpyw((u16 *) vga_vram_base,
(u16 *) (oldo + delta),
diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index 5f0690c8fc93..ee6957a799bb 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -1122,7 +1122,7 @@ static void vga_8planes_imageblit(struct fb_info *info, const struct fb_image *i
char oldop = setop(0);
char oldsr = setsr(0);
char oldmask = selectmask();
- const char *cdat = image->data;
+ const unsigned char *cdat = image->data;
u32 dx = image->dx;
char __iomem *where;
int y;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6db46daeed16..981091bd6c3c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2151,7 +2151,8 @@ static noinline int search_ioctl(struct inode *inode,
key.offset = sk->min_offset;

while (1) {
- ret = fault_in_pages_writeable(ubuf, *buf_size - sk_offset);
+ ret = fault_in_pages_writeable(ubuf + sk_offset,
+ *buf_size - sk_offset);
if (ret)
break;

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 714457bb1440..4e2f18c26535 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6527,7 +6527,12 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state,
err = nfs4_set_lock_state(state, fl);
if (err != 0)
return err;
- err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
+ do {
+ err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
+ if (err != -NFS4ERR_DELAY)
+ break;
+ ssleep(1);
+ } while (err == -NFS4ERR_DELAY);
return nfs4_handle_delegation_recall_error(server, state, stateid, fl, err);
}

diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 70da4113c2ba..7b9dd76403bf 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -520,8 +520,8 @@ xfs_attr_shortform_create(xfs_da_args_t *args)
ASSERT(ifp->if_flags & XFS_IFINLINE);
}
xfs_idata_realloc(dp, sizeof(*hdr), XFS_ATTR_FORK);
- hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data;
- hdr->count = 0;
+ hdr = (struct xfs_attr_sf_hdr *)ifp->if_u1.if_data;
+ memset(hdr, 0, sizeof(*hdr));
hdr->totsize = cpu_to_be16(sizeof(*hdr));
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
}
diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index a3c3ecd59f08..7a43afd27365 100644
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -52,6 +52,20 @@
#define I2C_PCA_CON_SI 0x08 /* Serial Interrupt */
#define I2C_PCA_CON_CR 0x07 /* Clock Rate (MASK) */

+/**
+ * struct pca_i2c_bus_settings - The configured PCA i2c bus settings
+ * @mode: Configured i2c bus mode
+ * @tlow: Configured SCL LOW period
+ * @thi: Configured SCL HIGH period
+ * @clock_freq: The configured clock frequency
+ */
+struct pca_i2c_bus_settings {
+ int mode;
+ int tlow;
+ int thi;
+ int clock_freq;
+};
+
struct i2c_algo_pca_data {
void *data; /* private low level data */
void (*write_byte) (void *data, int reg, int val);
@@ -63,6 +77,7 @@ struct i2c_algo_pca_data {
* For PCA9665, use the frequency you want here. */
unsigned int i2c_clock;
unsigned int chip;
+ struct pca_i2c_bus_settings bus_settings;
};

int i2c_pca_add_bus(struct i2c_adapter *);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ddbd9c8d3df6..9dd98dcdb080 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -99,6 +99,41 @@ enum usb_interface_condition {
USB_INTERFACE_UNBINDING,
};

+int __must_check
+usb_find_common_endpoints(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **bulk_in,
+ struct usb_endpoint_descriptor **bulk_out,
+ struct usb_endpoint_descriptor **int_in,
+ struct usb_endpoint_descriptor **int_out);
+
+static inline int __must_check
+usb_find_bulk_in_endpoint(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **bulk_in)
+{
+ return usb_find_common_endpoints(alt, bulk_in, NULL, NULL, NULL);
+}
+
+static inline int __must_check
+usb_find_bulk_out_endpoint(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **bulk_out)
+{
+ return usb_find_common_endpoints(alt, NULL, bulk_out, NULL, NULL);
+}
+
+static inline int __must_check
+usb_find_int_in_endpoint(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **int_in)
+{
+ return usb_find_common_endpoints(alt, NULL, NULL, int_in, NULL);
+}
+
+static inline int __must_check
+usb_find_int_out_endpoint(struct usb_host_interface *alt,
+ struct usb_endpoint_descriptor **int_out)
+{
+ return usb_find_common_endpoints(alt, NULL, NULL, NULL, int_out);
+}
+
/**
* struct usb_interface - what usb device drivers talk to
* @altsetting: array of interface structures, one for each alternate
diff --git a/include/soc/nps/common.h b/include/soc/nps/common.h
index 9b1d43d671a3..8c18dc6d3fde 100644
--- a/include/soc/nps/common.h
+++ b/include/soc/nps/common.h
@@ -45,6 +45,12 @@
#define CTOP_INST_MOV2B_FLIP_R3_B1_B2_INST 0x5B60
#define CTOP_INST_MOV2B_FLIP_R3_B1_B2_LIMM 0x00010422

+#ifndef AUX_IENABLE
+#define AUX_IENABLE 0x40c
+#endif
+
+#define CTOP_AUX_IACK (0xFFFFF800 + 0x088)
+
#ifndef __ASSEMBLY__

/* In order to increase compilation test coverage */
diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index 46a18e72bce6..6d5ef6220afe 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -18,7 +18,9 @@
#include <linux/vmalloc.h>
#include "gcov.h"

-#if (__GNUC__ >= 7)
+#if (__GNUC__ >= 10)
+#define GCOV_COUNTERS 8
+#elif (__GNUC__ >= 7)
#define GCOV_COUNTERS 9
#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
#define GCOV_COUNTERS 10
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index e72775024c6a..a4c423497686 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4990,9 +4990,13 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
if (skb_has_frag_list(skb))
skb_clone_fraglist(skb);

- if (k == 0) {
- /* split line is in frag list */
- pskb_carve_frag_list(skb, shinfo, off - pos, gfp_mask);
+ /* split line is in frag list */
+ if (k == 0 && pskb_carve_frag_list(skb, shinfo, off - pos, gfp_mask)) {
+ /* skb_frag_unref() is not needed here as shinfo->nr_frags = 0. */
+ if (skb_has_frag_list(skb))
+ kfree_skb_list(skb_shinfo(skb)->frag_list);
+ kfree(data);
+ return -ENOMEM;
}
skb_release_data(skb);

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index eafc78e063f1..185441d7a281 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -975,8 +975,8 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, struct xdr_stream *xdr,
p = xdr_inline_decode(xdr, len);
if (unlikely(p == NULL))
goto out_fail;
- dprintk("RPC: %5u RPCB_%s reply: %s\n", req->rq_task->tk_pid,
- req->rq_task->tk_msg.rpc_proc->p_name, (char *)p);
+ dprintk("RPC: %5u RPCB_%s reply: %*pE\n", req->rq_task->tk_pid,
+ req->rq_task->tk_msg.rpc_proc->p_name, len, (char *)p);

if (rpc_uaddr2sockaddr(req->rq_xprt->xprt_net, (char *)p, len,
sap, sizeof(address)) == 0)
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 03c9872c31cf..73264d5f58f8 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -123,6 +123,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_init);
void snd_hdac_device_exit(struct hdac_device *codec)
{
pm_runtime_put_noidle(&codec->dev);
+ /* keep balance of runtime PM child_count in parent device */
+ pm_runtime_set_suspended(&codec->dev);
snd_hdac_bus_remove_device(codec->bus, codec);
kfree(codec->vendor_name);
kfree(codec->chip_name);
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 2def4ad579cc..4f8dd558af48 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -3224,6 +3224,7 @@ static int tegra_hdmi_build_pcms(struct hda_codec *codec)

static int patch_tegra_hdmi(struct hda_codec *codec)
{
+ struct hdmi_spec *spec;
int err;

err = patch_generic_hdmi(codec);
@@ -3231,6 +3232,10 @@ static int patch_tegra_hdmi(struct hda_codec *codec)
return err;

codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
+ spec = codec->spec;
+ spec->chmap.ops.chmap_cea_alloc_validate_get_type =
+ nvhdmi_chmap_cea_alloc_validate_get_type;
+ spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;

return 0;
}
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 1802ad3f45b6..e2fab5229ec0 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -169,6 +169,7 @@ int test__pmu(int subtest __maybe_unused)
ret = 0;
} while (0);

+ perf_pmu__del_formats(&formats);
test_format_dir_put(format);
return ret;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 39abbf827646..5f1ba6f84f5f 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1018,6 +1018,17 @@ void perf_pmu__set_format(unsigned long *bits, long from, long to)
set_bit(b, bits);
}

+void perf_pmu__del_formats(struct list_head *formats)
+{
+ struct perf_pmu_format *fmt, *tmp;
+
+ list_for_each_entry_safe(fmt, tmp, formats, list) {
+ list_del(&fmt->list);
+ free(fmt->name);
+ free(fmt);
+ }
+}
+
static int sub_non_neg(int a, int b)
{
if (b > a)
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 25712034c815..fed6c3b56ce7 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -71,6 +71,7 @@ int perf_pmu__new_format(struct list_head *list, char *name,
int config, unsigned long *bits);
void perf_pmu__set_format(unsigned long *bits, long from, long to);
int perf_pmu__format_parse(char *dir, struct list_head *head);
+void perf_pmu__del_formats(struct list_head *formats);

struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);

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