This is the combined patch for 3.2.47-rc1 relative to 3.2.46.
Ben.
--
Ben Hutchings
Klipstein's 4th Law of Prototyping and Production:
A fail-safe circuit will destroy others.
diff --git a/Makefile b/Makefile
index f600582..c992505 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 2
-SUBLEVEL = 46
-EXTRAVERSION =
+SUBLEVEL = 47
+EXTRAVERSION = -rc1
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 21f56ff..5954a1a 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -123,7 +123,6 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
ccflags-y := -fpic -fno-builtin -I$(obj)
-asflags-y := -Wa,-march=all
# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell size $(obj)/../../../../vmlinux | awk 'END{print $$3}')
diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S
index 6179d94..3115e31 100644
--- a/arch/arm/boot/compressed/head-sa1100.S
+++ b/arch/arm/boot/compressed/head-sa1100.S
@@ -11,6 +11,7 @@
#include <asm/mach-types.h>
.section ".start", "ax"
+ .arch armv4
__SA1100_start:
diff --git a/arch/arm/boot/compressed/head-shark.S b/arch/arm/boot/compressed/head-shark.S
index 089c560..92b5689 100644
--- a/arch/arm/boot/compressed/head-shark.S
+++ b/arch/arm/boot/compressed/head-shark.S
@@ -18,6 +18,7 @@
.section ".start", "ax"
+ .arch armv4
b __beginning
__ofw_data: .long 0 @ the number of memory blocks
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index d63632f..8c57359 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -10,6 +10,7 @@
*/
#include <linux/linkage.h>
+ .arch armv7-a
/*
* Debugging stuff
*
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 8200dea..140c817 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -13,6 +13,7 @@
#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/node.h>
@@ -42,6 +43,7 @@
#define MPIDR_LEVEL2_SHIFT 16
struct cputopo_arm cpu_topology[NR_CPUS];
+EXPORT_SYMBOL_GPL(cpu_topology);
const struct cpumask *cpu_coregroup_mask(int cpu)
{
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index cf9c69b..8c3baa0 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -463,7 +463,7 @@ machine_check_common:
STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
- STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
+ STD_EXCEPTION_COMMON(0xe40, emulation_assist, .emulation_assist_interrupt)
STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
STD_EXCEPTION_COMMON_IDLE(0xf00, performance_monitor, .performance_monitor_exception)
STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 82dcd4d..9844662 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1036,6 +1036,16 @@ void __kprobes program_check_exception(struct pt_regs *regs)
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
}
+/*
+ * This occurs when running in hypervisor mode on POWER6 or later
+ * and an illegal instruction is encountered.
+ */
+void __kprobes emulation_assist_interrupt(struct pt_regs *regs)
+{
+ regs->msr |= REASON_ILLEGAL;
+ program_check_exception(regs);
+}
+
void alignment_exception(struct pt_regs *regs)
{
int sig, code, fixed = 0;
diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index 7a6f3b3..f2bb9c9 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -160,7 +160,7 @@ identity_mapped:
xorq %rbp, %rbp
xorq %r8, %r8
xorq %r9, %r9
- xorq %r10, %r9
+ xorq %r10, %r10
xorq %r11, %r11
xorq %r12, %r12
xorq %r13, %r13
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 0e47949..e19898d 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -447,6 +447,38 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
},
},
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion dm4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion g6 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP 1000 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion m4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
+ },
+ },
{}
};
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ddfc1c1..0e92326 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -151,6 +151,7 @@ enum piix_controller_ids {
piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
ich8_sata_snb,
ich8_2port_sata_snb,
+ ich8_2port_sata_byt,
};
struct piix_map_db {
@@ -356,6 +357,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (BayTrail) */
+ { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
{ } /* terminate list */
};
@@ -521,6 +525,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
[tolapai_sata] = &tolapai_map_db,
[ich8_sata_snb] = &ich8_map_db,
[ich8_2port_sata_snb] = &ich8_2port_map_db,
+ [ich8_2port_sata_byt] = &ich8_2port_map_db,
};
static struct ata_port_info piix_port_info[] = {
@@ -672,6 +677,15 @@ static struct ata_port_info piix_port_info[] = {
.port_ops = &piix_sata_ops,
},
+ [ich8_2port_sata_byt] =
+ {
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
+
};
static struct pci_bits piix_enable_bits[] = {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 288b635..d54b7d6 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1598,6 +1598,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
qc->tf = *tf;
if (cdb)
memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+ /* some SATA bridges need us to indicate data xfer direction */
+ if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+ dma_dir == DMA_FROM_DEVICE)
+ qc->tf.feature |= ATAPI_DMADIR;
+
qc->flags |= ATA_QCFLAG_RESULT_TF;
qc->dma_dir = dma_dir;
if (dma_dir != DMA_NONE) {
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index b0f553b..d3446f6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -161,8 +161,6 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
static int cciss_open(struct block_device *bdev, fmode_t mode);
static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
static int cciss_release(struct gendisk *disk, fmode_t mode);
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -229,7 +227,7 @@ static const struct block_device_operations cciss_fops = {
.owner = THIS_MODULE,
.open = cciss_unlocked_open,
.release = cciss_release,
- .ioctl = do_ioctl,
+ .ioctl = cciss_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
@@ -1140,16 +1138,6 @@ static int cciss_release(struct gendisk *disk, fmode_t mode)
return 0;
}
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- int ret;
- mutex_lock(&cciss_mutex);
- ret = cciss_ioctl(bdev, mode, cmd, arg);
- mutex_unlock(&cciss_mutex);
- return ret;
-}
-
#ifdef CONFIG_COMPAT
static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
@@ -1176,7 +1164,7 @@ static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_REGNEWD:
case CCISS_RESCANDISK:
case CCISS_GETLUNINFO:
- return do_ioctl(bdev, mode, cmd, arg);
+ return cciss_ioctl(bdev, mode, cmd, arg);
case CCISS_PASSTHRU32:
return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
@@ -1216,7 +1204,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;
- err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@@ -1258,7 +1246,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;
- err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@@ -1308,11 +1296,14 @@ static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
{
cciss_coalint_struct intinfo;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user
(argp, &intinfo, sizeof(cciss_coalint_struct)))
return -EFAULT;
@@ -1353,12 +1344,15 @@ static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
{
NodeName_type NodeName;
+ unsigned long flags;
int i;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
for (i = 0; i < 16; i++)
NodeName[i] = readb(&h->cfgtable->ServerName[i]);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
return -EFAULT;
return 0;
@@ -1395,10 +1389,13 @@ static int cciss_setnodename(ctlr_info_t *h, void __user *argp)
static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
{
Heartbeat_type heartbeat;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
heartbeat = readl(&h->cfgtable->HeartBeat);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
return -EFAULT;
return 0;
@@ -1407,10 +1404,13 @@ static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
{
BusTypes_type BusTypes;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
BusTypes = readl(&h->cfgtable->BusTypes);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 44a5d0a..73af885 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -981,7 +981,7 @@ EXPORT_SYMBOL(drm_vblank_off);
*/
void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
{
- /* vblank is not initialized (IRQ not installed ?) */
+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
if (!dev->num_crtcs)
return;
/*
@@ -1003,6 +1003,10 @@ void drm_vblank_post_modeset(struct drm_device *dev, int crtc)
{
unsigned long irqflags;
+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
+ if (!dev->num_crtcs)
+ return;
+
if (dev->vblank_inmodeset[crtc]) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
dev->vblank_disable_allowed = 1;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 876bac0..2ffa740 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -740,10 +740,10 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
{
.callback = intel_no_lvds_dmi_callback,
- .ident = "Hewlett-Packard HP t5740e Thin Client",
+ .ident = "Hewlett-Packard HP t5740",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"),
+ DMI_MATCH(DMI_PRODUCT_NAME, " t5740"),
},
},
{
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9e24670..00ec0dd 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1582,11 +1582,14 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
* Assume that the preferred modes are
* arranged in priority order.
*/
- intel_ddc_get_modes(connector, intel_sdvo->i2c);
- if (list_empty(&connector->probed_modes) == false)
- goto end;
+ intel_ddc_get_modes(connector, &intel_sdvo->ddc);
- /* Fetch modes from VBT */
+ /*
+ * Fetch modes from VBT. For SDVO prefer the VBT mode since some
+ * SDVO->LVDS transcoders can't cope with the EDID mode. Since
+ * drm_mode_probed_add adds the mode at the head of the list we add it
+ * last.
+ */
if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
newmode = drm_mode_duplicate(connector->dev,
dev_priv->sdvo_lvds_vbt_mode);
@@ -1598,7 +1601,6 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
}
}
-end:
list_for_each_entry(newmode, &connector->probed_modes, head) {
if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
intel_sdvo->sdvo_lvds_fixed_mode =
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0495a50..9bea4a6 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3086,6 +3086,12 @@ static int evergreen_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -3218,10 +3224,6 @@ int evergreen_init(struct radeon_device *rdev)
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 636255b..3f9705b 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1389,6 +1389,12 @@ static int cayman_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -1506,10 +1512,6 @@ int cayman_init(struct radeon_device *rdev)
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index fad7cd1..76c1290 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3905,6 +3905,12 @@ static int r100_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -4050,9 +4056,6 @@ int r100_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index c93bc64..441570b 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1397,6 +1397,12 @@ static int r300_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -1521,9 +1527,6 @@ int r300_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 417fab8..5b219b8 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -255,6 +255,12 @@ static int r420_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -391,10 +397,6 @@ int r420_init(struct radeon_device *rdev)
if (r) {
return r;
}
- r = radeon_irq_kms_init(rdev);
- if (r) {
- return r;
- }
/* Memory manager */
r = radeon_bo_init(rdev);
if (r) {
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 3081d07..f36a5c9 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -188,6 +188,12 @@ static int r520_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -281,9 +287,6 @@ int r520_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index bdfa82a..3d46d7d4 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2449,6 +2449,12 @@ int r600_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -2592,10 +2598,6 @@ int r600_init(struct radeon_device *rdev)
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index bd959c1..cd94abb 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -359,18 +359,17 @@ bool radeon_card_posted(struct radeon_device *rdev)
return false;
/* first check CRTCs */
- if (ASIC_IS_DCE41(rdev)) {
+ if (ASIC_IS_DCE4(rdev)) {
reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
- if (reg & EVERGREEN_CRTC_MASTER_EN)
- return true;
- } else if (ASIC_IS_DCE4(rdev)) {
- reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ if (rdev->num_crtc >= 4) {
+ reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
+ }
+ if (rdev->num_crtc >= 6) {
+ reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ }
if (reg & EVERGREEN_CRTC_MASTER_EN)
return true;
} else if (ASIC_IS_AVIVO(rdev)) {
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 06b90c8..4dd9512 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -411,6 +411,12 @@ static int rs400_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -519,9 +525,6 @@ int rs400_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index ee898e9..cea482a 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -848,6 +848,12 @@ static int rs600_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -963,9 +969,6 @@ int rs600_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index a9049ed..93bce72 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -622,6 +622,12 @@ static int rs690_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -738,9 +744,6 @@ int rs690_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index d5f45b4..9103638 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -380,6 +380,12 @@ static int rv515_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -500,9 +506,6 @@ int rv515_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index cc79449..63db75d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1092,6 +1092,12 @@ static int rv770_startup(struct radeon_device *rdev)
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -1220,10 +1226,6 @@ int rv770_init(struct radeon_device *rdev)
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 1ad0a88..8178927 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -311,26 +311,68 @@ static int adm1021_detect(struct i2c_client *client,
man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID);
dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID);
+ if (man_id < 0 || dev_id < 0)
+ return -ENODEV;
+
if (man_id == 0x4d && dev_id == 0x01)
type_name = "max1617a";
else if (man_id == 0x41) {
if ((dev_id & 0xF0) == 0x30)
type_name = "adm1023";
- else
+ else if ((dev_id & 0xF0) == 0x00)
type_name = "adm1021";
+ else
+ return -ENODEV;
} else if (man_id == 0x49)
type_name = "thmc10";
else if (man_id == 0x23)
type_name = "gl523sm";
else if (man_id == 0x54)
type_name = "mc1066";
- /* LM84 Mfr ID in a different place, and it has more unused bits */
- else if (conv_rate == 0x00
- && (config & 0x7F) == 0x00
- && (status & 0xAB) == 0x00)
- type_name = "lm84";
- else
- type_name = "max1617";
+ else {
+ int lte, rte, lhi, rhi, llo, rlo;
+
+ /* extra checks for LM84 and MAX1617 to avoid misdetections */
+
+ llo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(0));
+ rlo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(1));
+
+ /* fail if any of the additional register reads failed */
+ if (llo < 0 || rlo < 0)
+ return -ENODEV;
+
+ lte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(0));
+ rte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(1));
+ lhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(0));
+ rhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(1));
+
+ /*
+ * Fail for negative temperatures and negative high limits.
+ * This check also catches read errors on the tested registers.
+ */
+ if ((s8)lte < 0 || (s8)rte < 0 || (s8)lhi < 0 || (s8)rhi < 0)
+ return -ENODEV;
+
+ /* fail if all registers hold the same value */
+ if (lte == rte && lte == lhi && lte == rhi && lte == llo
+ && lte == rlo)
+ return -ENODEV;
+
+ /*
+ * LM84 Mfr ID is in a different place,
+ * and it has more unused bits.
+ */
+ if (conv_rate == 0x00
+ && (config & 0x7F) == 0x00
+ && (status & 0xAB) == 0x00) {
+ type_name = "lm84";
+ } else {
+ /* fail if low limits are larger than high limits */
+ if ((s8)llo > lhi || (s8)rlo > rhi)
+ return -ENODEV;
+ type_name = "max1617";
+ }
+ }
pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n",
type_name, i2c_adapter_id(adapter), client->addr);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 62306e5..298e02a 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -407,7 +407,17 @@ static void raid1_end_write_request(struct bio *bio, int error)
r1_bio->bios[mirror] = NULL;
to_put = bio;
- set_bit(R1BIO_Uptodate, &r1_bio->state);
+ /*
+ * Do not set R1BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &conf->mirrors[mirror].rdev->flags) &&
+ !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))
+ set_bit(R1BIO_Uptodate, &r1_bio->state);
/* Maybe we can clear some bad blocks. */
if (is_badblock(conf->mirrors[mirror].rdev,
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 8f67c4d..8bba438 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -390,7 +390,17 @@ static void raid10_end_write_request(struct bio *bio, int error)
sector_t first_bad;
int bad_sectors;
- set_bit(R10BIO_Uptodate, &r10_bio->state);
+ /*
+ * Do not set R10BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &conf->mirrors[dev].rdev->flags) &&
+ !test_bit(Faulty, &conf->mirrors[dev].rdev->flags))
+ set_bit(R10BIO_Uptodate, &r10_bio->state);
/* Maybe we can clear some bad blocks. */
if (is_badblock(conf->mirrors[dev].rdev,
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index ec13a59..1bc927a 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1620,6 +1620,9 @@ static int tg3_poll_fw(struct tg3 *tp)
int i;
u32 val;
+ if (tg3_flag(tp, NO_FWARE_REPORTED))
+ return 0;
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
/* Wait up to 20ms for init done. */
for (i = 0; i < 200; i++) {
@@ -8282,6 +8285,14 @@ static void tg3_setup_rxbd_thresholds(struct tg3 *tp)
tw32(JMB_REPLENISH_LWM, bdcache_maxcnt);
}
+static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
+{
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
+ else
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
+}
+
/* tp->lock is held. */
static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
{
@@ -8920,6 +8931,20 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32_f(RDMAC_MODE, rdmac_mode);
udelay(40);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) {
+ for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
+ if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
+ break;
+ }
+ if (i < TG3_NUM_RDMA_CHANNELS) {
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val |= tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_set(tp, 5719_5720_RDMA_BUG);
+ }
+ }
+
tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
if (!tg3_flag(tp, 5705_PLUS))
tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
@@ -9166,6 +9191,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
*/
static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
+ /* Chip may have been just powered on. If so, the boot code may still
+ * be running initialization. Wait for it to finish to avoid races in
+ * accessing the hardware.
+ */
+ tg3_enable_register_access(tp);
+ tg3_poll_fw(tp);
+
tg3_switch_clocks(tp);
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
@@ -9200,6 +9232,16 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp)
TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
+ if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
+ (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
+ sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
+ u32 val;
+
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val &= ~tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
+ }
TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 94b4bd0..da90ba5 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1368,7 +1368,12 @@
#define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000
-/* 0x4914 --> 0x4c00 unused */
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000
+/* 0x4914 --> 0x4be0 unused */
+
+#define TG3_NUM_RDMA_CHANNELS 4
+#define TG3_RDMA_LENGTH 0x00004be0
/* Write DMA control registers */
#define WDMAC_MODE 0x00004c00
@@ -2921,6 +2926,7 @@ enum TG3_FLAGS {
TG3_FLAG_APE_HAS_NCSI,
TG3_FLAG_5717_PLUS,
TG3_FLAG_4K_FIFO_LIMIT,
+ TG3_FLAG_5719_5720_RDMA_BUG,
TG3_FLAG_RESET_TASK_PENDING,
/* Add new flags before this comment and TG3_FLAG_NUMBER_OF_FLAGS */
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index d9c08c6..f4ed4d8 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -50,13 +50,17 @@ config ATH9K_DEBUGFS
Also required for changing debug message flags at run time.
-config ATH9K_RATE_CONTROL
+config ATH9K_LEGACY_RATE_CONTROL
bool "Atheros ath9k rate control"
depends on ATH9K
- default y
+ default n
---help---
Say Y, if you want to use the ath9k specific rate control
- module instead of minstrel_ht.
+ module instead of minstrel_ht. Be warned that there are various
+ issues with the ath9k RC and minstrel is a more robust algorithm.
+ Note that even if this option is selected, "ath9k_rate_control"
+ has to be passed to mac80211 using the module parameter,
+ ieee80211_default_rc_algo.
config ATH9K_HTC
tristate "Atheros HTC based wireless cards support"
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 36ed3c4..1cdb246 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -5,7 +5,7 @@ ath9k-y += beacon.o \
recv.o \
xmit.o \
-ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o
+ath9k-$(CONFIG_ATH9K_LEGACY_RATE_CONTROL) += rc.o
ath9k-$(CONFIG_ATH9K_PCI) += pci.o
ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 57622e0..ba6a49c 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -691,8 +691,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
- if (AR_SREV_5416(sc->sc_ah))
- hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -714,10 +713,6 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
sc->ant_rx = hw->wiphy->available_antennas_rx;
sc->ant_tx = hw->wiphy->available_antennas_tx;
-#ifdef CONFIG_ATH9K_RATE_CONTROL
- hw->rate_control_algorithm = "ath9k_rate_control";
-#endif
-
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&sc->sbands[IEEE80211_BAND_2GHZ];
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index b7a4bcd..e8e1901 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -221,7 +221,7 @@ struct ath_rate_priv {
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
};
-#ifdef CONFIG_ATH9K_RATE_CONTROL
+#ifdef CONFIG_ATH9K_LEGACY_RATE_CONTROL
int ath_rate_control_register(void);
void ath_rate_control_unregister(void);
#else
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index c0f2041..b0c2801 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2421,7 +2421,7 @@ static int b43_request_firmware(struct b43_wldev *dev)
for (i = 0; i < B43_NR_FWTYPES; i++) {
errmsg = ctx->errors[i];
if (strlen(errmsg))
- b43err(dev->wl, errmsg);
+ b43err(dev->wl, "%s", errmsg);
}
b43_print_fw_helptext(dev->wl, 1);
err = -ENOENT;
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index c5ce163..71195cb 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -3837,6 +3837,8 @@ static void b43legacy_remove(struct ssb_device *dev)
cancel_work_sync(&wldev->restart_work);
B43legacy_WARN_ON(!wl);
+ if (!wldev->fw.ucode)
+ return; /* NULL if fw never loaded */
if (wl->current_dev == wldev)
ieee80211_unregister_hw(wl->hw);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 3935994..bc30a5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -604,7 +604,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
memcpy(&lq, priv->stations[i].lq,
sizeof(struct iwl_link_quality_cmd));
- if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+ if (memcmp(&lq, &zero_lq, sizeof(lq)))
send_lq = true;
}
spin_unlock_irqrestore(&priv->shrd->sta_lock,
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 185a0eb..fd2b92d 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -46,11 +46,33 @@
#include <asm/xen/hypercall.h>
#include <asm/xen/page.h>
+/*
+ * This is the maximum slots a skb can have. If a guest sends a skb
+ * which exceeds this limit it is considered malicious.
+ */
+#define FATAL_SKB_SLOTS_DEFAULT 20
+static unsigned int fatal_skb_slots = FATAL_SKB_SLOTS_DEFAULT;
+module_param(fatal_skb_slots, uint, 0444);
+
+/*
+ * To avoid confusion, we define XEN_NETBK_LEGACY_SLOTS_MAX indicating
+ * the maximum slots a valid packet can use. Now this value is defined
+ * to be XEN_NETIF_NR_SLOTS_MIN, which is supposed to be supported by
+ * all backend.
+ */
+#define XEN_NETBK_LEGACY_SLOTS_MAX XEN_NETIF_NR_SLOTS_MIN
+
+typedef unsigned int pending_ring_idx_t;
+#define INVALID_PENDING_RING_IDX (~0U)
+
struct pending_tx_info {
- struct xen_netif_tx_request req;
+ struct xen_netif_tx_request req; /* coalesced tx request */
struct xenvif *vif;
+ pending_ring_idx_t head; /* head != INVALID_PENDING_RING_IDX
+ * if it is head of one or more tx
+ * reqs
+ */
};
-typedef unsigned int pending_ring_idx_t;
struct netbk_rx_meta {
int id;
@@ -101,7 +123,11 @@ struct xen_netbk {
atomic_t netfront_count;
struct pending_tx_info pending_tx_info[MAX_PENDING_REQS];
- struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS];
+ /* Coalescing tx requests before copying makes number of grant
+ * copy ops greater or equal to number of slots required. In
+ * worst case a tx request consumes 2 gnttab_copy.
+ */
+ struct gnttab_copy tx_copy_ops[2*MAX_PENDING_REQS];
u16 pending_ring[MAX_PENDING_REQS];
@@ -117,6 +143,16 @@ struct xen_netbk {
static struct xen_netbk *xen_netbk;
static int xen_netbk_group_nr;
+/*
+ * If head != INVALID_PENDING_RING_IDX, it means this tx request is head of
+ * one or more merged tx requests, otherwise it is the continuation of
+ * previous tx request.
+ */
+static inline int pending_tx_is_head(struct xen_netbk *netbk, RING_IDX idx)
+{
+ return netbk->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX;
+}
+
void xen_netbk_add_xenvif(struct xenvif *vif)
{
int i;
@@ -249,6 +285,7 @@ static int max_required_rx_slots(struct xenvif *vif)
{
int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE);
+ /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
if (vif->can_sg || vif->gso || vif->gso_prefix)
max += MAX_SKB_FRAGS + 1; /* extra_info + frags */
@@ -627,6 +664,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
__skb_queue_tail(&rxq, skb);
/* Filled the batch queue? */
+ /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
if (count + MAX_SKB_FRAGS >= XEN_NETIF_RX_RING_SIZE)
break;
}
@@ -874,47 +912,99 @@ static int netbk_count_requests(struct xenvif *vif,
int work_to_do)
{
RING_IDX cons = vif->tx.req_cons;
- int frags = 0;
+ int slots = 0;
+ int drop_err = 0;
+ int more_data;
if (!(first->flags & XEN_NETTXF_more_data))
return 0;
do {
- if (frags >= work_to_do) {
- netdev_err(vif->dev, "Need more frags\n");
+ struct xen_netif_tx_request dropped_tx = { 0 };
+
+ if (slots >= work_to_do) {
+ netdev_err(vif->dev,
+ "Asked for %d slots but exceeds this limit\n",
+ work_to_do);
netbk_fatal_tx_err(vif);
return -ENODATA;
}
- if (unlikely(frags >= MAX_SKB_FRAGS)) {
- netdev_err(vif->dev, "Too many frags\n");
+ /* This guest is really using too many slots and
+ * considered malicious.
+ */
+ if (unlikely(slots >= fatal_skb_slots)) {
+ netdev_err(vif->dev,
+ "Malicious frontend using %d slots, threshold %u\n",
+ slots, fatal_skb_slots);
netbk_fatal_tx_err(vif);
return -E2BIG;
}
- memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
+ /* Xen network protocol had implicit dependency on
+ * MAX_SKB_FRAGS. XEN_NETBK_LEGACY_SLOTS_MAX is set to
+ * the historical MAX_SKB_FRAGS value 18 to honor the
+ * same behavior as before. Any packet using more than
+ * 18 slots but less than fatal_skb_slots slots is
+ * dropped
+ */
+ if (!drop_err && slots >= XEN_NETBK_LEGACY_SLOTS_MAX) {
+ if (net_ratelimit())
+ netdev_dbg(vif->dev,
+ "Too many slots (%d) exceeding limit (%d), dropping packet\n",
+ slots, XEN_NETBK_LEGACY_SLOTS_MAX);
+ drop_err = -E2BIG;
+ }
+
+ if (drop_err)
+ txp = &dropped_tx;
+
+ memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots),
sizeof(*txp));
- if (txp->size > first->size) {
- netdev_err(vif->dev, "Frag is bigger than frame.\n");
- netbk_fatal_tx_err(vif);
- return -EIO;
+
+ /* If the guest submitted a frame >= 64 KiB then
+ * first->size overflowed and following slots will
+ * appear to be larger than the frame.
+ *
+ * This cannot be fatal error as there are buggy
+ * frontends that do this.
+ *
+ * Consume all slots and drop the packet.
+ */
+ if (!drop_err && txp->size > first->size) {
+ if (net_ratelimit())
+ netdev_dbg(vif->dev,
+ "Invalid tx request, slot size %u > remaining size %u\n",
+ txp->size, first->size);
+ drop_err = -EIO;
}
first->size -= txp->size;
- frags++;
+ slots++;
if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
- netdev_err(vif->dev, "txp->offset: %x, size: %u\n",
+ netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n",
txp->offset, txp->size);
netbk_fatal_tx_err(vif);
return -EINVAL;
}
- } while ((txp++)->flags & XEN_NETTXF_more_data);
- return frags;
+
+ more_data = txp->flags & XEN_NETTXF_more_data;
+
+ if (!drop_err)
+ txp++;
+
+ } while (more_data);
+
+ if (drop_err) {
+ netbk_tx_err(vif, first, cons + slots);
+ return drop_err;
+ }
+
+ return slots;
}
static struct page *xen_netbk_alloc_page(struct xen_netbk *netbk,
- struct sk_buff *skb,
u16 pending_idx)
{
struct page *page;
@@ -935,50 +1025,114 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk,
struct skb_shared_info *shinfo = skb_shinfo(skb);
skb_frag_t *frags = shinfo->frags;
u16 pending_idx = *((u16 *)skb->data);
- int i, start;
+ u16 head_idx = 0;
+ int slot, start;
+ struct page *page;
+ pending_ring_idx_t index, start_idx = 0;
+ uint16_t dst_offset;
+ unsigned int nr_slots;
+ struct pending_tx_info *first = NULL;
+
+ /* At this point shinfo->nr_frags is in fact the number of
+ * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX.
+ */
+ nr_slots = shinfo->nr_frags;
/* Skip first skb fragment if it is on same page as header fragment. */
start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx);
- for (i = start; i < shinfo->nr_frags; i++, txp++) {
- struct page *page;
- pending_ring_idx_t index;
+ /* Coalesce tx requests, at this point the packet passed in
+ * should be <= 64K. Any packets larger than 64K have been
+ * handled in netbk_count_requests().
+ */
+ for (shinfo->nr_frags = slot = start; slot < nr_slots;
+ shinfo->nr_frags++) {
struct pending_tx_info *pending_tx_info =
netbk->pending_tx_info;
- index = pending_index(netbk->pending_cons++);
- pending_idx = netbk->pending_ring[index];
- page = xen_netbk_alloc_page(netbk, skb, pending_idx);
+ page = alloc_page(GFP_KERNEL|__GFP_COLD);
if (!page)
goto err;
- netbk->mmap_pages[pending_idx] = page;
-
- gop->source.u.ref = txp->gref;
- gop->source.domid = vif->domid;
- gop->source.offset = txp->offset;
-
- gop->dest.u.gmfn = virt_to_mfn(page_address(page));
- gop->dest.domid = DOMID_SELF;
- gop->dest.offset = txp->offset;
-
- gop->len = txp->size;
- gop->flags = GNTCOPY_source_gref;
+ dst_offset = 0;
+ first = NULL;
+ while (dst_offset < PAGE_SIZE && slot < nr_slots) {
+ gop->flags = GNTCOPY_source_gref;
+
+ gop->source.u.ref = txp->gref;
+ gop->source.domid = vif->domid;
+ gop->source.offset = txp->offset;
+
+ gop->dest.domid = DOMID_SELF;
+
+ gop->dest.offset = dst_offset;
+ gop->dest.u.gmfn = virt_to_mfn(page_address(page));
+
+ if (dst_offset + txp->size > PAGE_SIZE) {
+ /* This page can only merge a portion
+ * of tx request. Do not increment any
+ * pointer / counter here. The txp
+ * will be dealt with in future
+ * rounds, eventually hitting the
+ * `else` branch.
+ */
+ gop->len = PAGE_SIZE - dst_offset;
+ txp->offset += gop->len;
+ txp->size -= gop->len;
+ dst_offset += gop->len; /* quit loop */
+ } else {
+ /* This tx request can be merged in the page */
+ gop->len = txp->size;
+ dst_offset += gop->len;
+
+ index = pending_index(netbk->pending_cons++);
+
+ pending_idx = netbk->pending_ring[index];
+
+ memcpy(&pending_tx_info[pending_idx].req, txp,
+ sizeof(*txp));
+ xenvif_get(vif);
+
+ pending_tx_info[pending_idx].vif = vif;
+
+ /* Poison these fields, corresponding
+ * fields for head tx req will be set
+ * to correct values after the loop.
+ */
+ netbk->mmap_pages[pending_idx] = (void *)(~0UL);
+ pending_tx_info[pending_idx].head =
+ INVALID_PENDING_RING_IDX;
+
+ if (!first) {
+ first = &pending_tx_info[pending_idx];
+ start_idx = index;
+ head_idx = pending_idx;
+ }
+
+ txp++;
+ slot++;
+ }
- gop++;
+ gop++;
+ }
- memcpy(&pending_tx_info[pending_idx].req, txp, sizeof(*txp));
- xenvif_get(vif);
- pending_tx_info[pending_idx].vif = vif;
- frag_set_pending_idx(&frags[i], pending_idx);
+ first->req.offset = 0;
+ first->req.size = dst_offset;
+ first->head = start_idx;
+ set_page_ext(page, netbk, head_idx);
+ netbk->mmap_pages[head_idx] = page;
+ frag_set_pending_idx(&frags[shinfo->nr_frags], head_idx);
}
+ BUG_ON(shinfo->nr_frags > MAX_SKB_FRAGS);
+
return gop;
err:
/* Unwind, freeing all pages and sending error responses. */
- while (i-- > start) {
- xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]),
- XEN_NETIF_RSP_ERROR);
+ while (shinfo->nr_frags-- > start) {
+ xen_netbk_idx_release(netbk,
+ frag_get_pending_idx(&frags[shinfo->nr_frags]),
+ XEN_NETIF_RSP_ERROR);
}
/* The head too, if necessary. */
if (start)
@@ -994,8 +1148,10 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
struct gnttab_copy *gop = *gopp;
u16 pending_idx = *((u16 *)skb->data);
struct skb_shared_info *shinfo = skb_shinfo(skb);
+ struct pending_tx_info *tx_info;
int nr_frags = shinfo->nr_frags;
int i, err, start;
+ u16 peek; /* peek into next tx request */
/* Check status of header. */
err = gop->status;
@@ -1007,11 +1163,20 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
for (i = start; i < nr_frags; i++) {
int j, newerr;
+ pending_ring_idx_t head;
pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+ tx_info = &netbk->pending_tx_info[pending_idx];
+ head = tx_info->head;
/* Check error status: if okay then remember grant handle. */
- newerr = (++gop)->status;
+ do {
+ newerr = (++gop)->status;
+ if (newerr)
+ break;
+ peek = netbk->pending_ring[pending_index(++head)];
+ } while (!pending_tx_is_head(netbk, peek));
+
if (likely(!newerr)) {
/* Had a previous error? Invalidate this fragment. */
if (unlikely(err))
@@ -1236,11 +1401,12 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
struct sk_buff *skb;
int ret;
- while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
+ while ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX
+ < MAX_PENDING_REQS) &&
!list_empty(&netbk->net_schedule_list)) {
struct xenvif *vif;
struct xen_netif_tx_request txreq;
- struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS];
+ struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX];
struct page *page;
struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
u16 pending_idx;
@@ -1328,7 +1494,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
pending_idx = netbk->pending_ring[index];
data_len = (txreq.size > PKT_PROT_LEN &&
- ret < MAX_SKB_FRAGS) ?
+ ret < XEN_NETBK_LEGACY_SLOTS_MAX) ?
PKT_PROT_LEN : txreq.size;
skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN,
@@ -1355,15 +1521,13 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
}
/* XXX could copy straight to head */
- page = xen_netbk_alloc_page(netbk, skb, pending_idx);
+ page = xen_netbk_alloc_page(netbk, pending_idx);
if (!page) {
kfree_skb(skb);
netbk_tx_err(vif, &txreq, idx);
continue;
}
- netbk->mmap_pages[pending_idx] = page;
-
gop->source.u.ref = txreq.gref;
gop->source.domid = vif->domid;
gop->source.offset = txreq.offset;
@@ -1380,6 +1544,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
memcpy(&netbk->pending_tx_info[pending_idx].req,
&txreq, sizeof(txreq));
netbk->pending_tx_info[pending_idx].vif = vif;
+ netbk->pending_tx_info[pending_idx].head = index;
*((u16 *)skb->data) = pending_idx;
__skb_put(skb, data_len);
@@ -1510,7 +1675,10 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx,
{
struct xenvif *vif;
struct pending_tx_info *pending_tx_info;
- pending_ring_idx_t index;
+ pending_ring_idx_t head;
+ u16 peek; /* peek into next tx request */
+
+ BUG_ON(netbk->mmap_pages[pending_idx] == (void *)(~0UL));
/* Already complete? */
if (netbk->mmap_pages[pending_idx] == NULL)
@@ -1519,19 +1687,40 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx,
pending_tx_info = &netbk->pending_tx_info[pending_idx];
vif = pending_tx_info->vif;
+ head = pending_tx_info->head;
+
+ BUG_ON(!pending_tx_is_head(netbk, head));
+ BUG_ON(netbk->pending_ring[pending_index(head)] != pending_idx);
- make_tx_response(vif, &pending_tx_info->req, status);
+ do {
+ pending_ring_idx_t index;
+ pending_ring_idx_t idx = pending_index(head);
+ u16 info_idx = netbk->pending_ring[idx];
- index = pending_index(netbk->pending_prod++);
- netbk->pending_ring[index] = pending_idx;
+ pending_tx_info = &netbk->pending_tx_info[info_idx];
+ make_tx_response(vif, &pending_tx_info->req, status);
- xenvif_put(vif);
+ /* Setting any number other than
+ * INVALID_PENDING_RING_IDX indicates this slot is
+ * starting a new packet / ending a previous packet.
+ */
+ pending_tx_info->head = 0;
+
+ index = pending_index(netbk->pending_prod++);
+ netbk->pending_ring[index] = netbk->pending_ring[info_idx];
+
+ xenvif_put(vif);
+
+ peek = netbk->pending_ring[pending_index(++head)];
+
+ } while (!pending_tx_is_head(netbk, peek));
netbk->mmap_pages[pending_idx]->mapping = 0;
put_page(netbk->mmap_pages[pending_idx]);
netbk->mmap_pages[pending_idx] = NULL;
}
+
static void make_tx_response(struct xenvif *vif,
struct xen_netif_tx_request *txp,
s8 st)
@@ -1584,8 +1773,9 @@ static inline int rx_work_todo(struct xen_netbk *netbk)
static inline int tx_work_todo(struct xen_netbk *netbk)
{
- if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
- !list_empty(&netbk->net_schedule_list))
+ if ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX
+ < MAX_PENDING_REQS) &&
+ !list_empty(&netbk->net_schedule_list))
return 1;
return 0;
@@ -1668,6 +1858,13 @@ static int __init netback_init(void)
if (!xen_pv_domain())
return -ENODEV;
+ if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) {
+ printk(KERN_INFO
+ "xen-netback: fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n",
+ fatal_skb_slots, XEN_NETBK_LEGACY_SLOTS_MAX);
+ fatal_skb_slots = XEN_NETBK_LEGACY_SLOTS_MAX;
+ }
+
xen_netbk_group_nr = num_online_cpus();
xen_netbk = vzalloc(sizeof(struct xen_netbk) * xen_netbk_group_nr);
if (!xen_netbk) {
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 9b9843e..0d9914b 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -36,7 +36,7 @@
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/if_ether.h>
-#include <linux/tcp.h>
+#include <net/tcp.h>
#include <linux/udp.h>
#include <linux/moduleparam.h>
#include <linux/mm.h>
@@ -490,6 +490,16 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
+ /* If skb->len is too big for wire format, drop skb and alert
+ * user about misconfiguration.
+ */
+ if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) {
+ net_alert_ratelimited(
+ "xennet: skb->len = %u, too big for wire format\n",
+ skb->len);
+ goto drop;
+ }
+
frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
@@ -1043,7 +1053,8 @@ err:
static int xennet_change_mtu(struct net_device *dev, int mtu)
{
- int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN;
+ int max = xennet_can_sg(dev) ?
+ XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN;
if (mtu > max)
return -EINVAL;
@@ -1318,6 +1329,8 @@ static struct net_device * __devinit xennet_create_dev(struct xenbus_device *dev
SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops);
SET_NETDEV_DEV(netdev, &dev->dev);
+ netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER);
+
np->netdev = netdev;
netif_carrier_off(netdev);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 7b82868..8e6c4fa 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8665,6 +8665,13 @@ static int __must_check __init get_thinkpad_model_data(
tp->model_str = kstrdup(s, GFP_KERNEL);
if (!tp->model_str)
return -ENOMEM;
+ } else {
+ s = dmi_get_system_info(DMI_BIOS_VENDOR);
+ if (s && !(strnicmp(s, "Lenovo", 6))) {
+ tp->model_str = kstrdup(s, GFP_KERNEL);
+ if (!tp->model_str)
+ return -ENOMEM;
+ }
}
s = dmi_get_system_info(DMI_PRODUCT_NAME);
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index 23ef16c..84eab3f 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -555,7 +555,7 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr)
/* For MSI mode re-enable device-level interrupts */
if (priv->flags & TSI721_USING_MSI) {
dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO |
- TSI721_DEV_INT_SMSG_CH | TSI721_DEV_INT_BDMA_CH;
+ TSI721_DEV_INT_SMSG_CH;
iowrite32(dev_int, priv->regs + TSI721_DEV_INTE);
}
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index a3e98f1..b37c8b0 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -490,6 +490,7 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, rtc);
+ device_init_wakeup(&pdev->dev, 1);
return 0;
out2:
diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c
index 7b97c60..626ae47 100644
--- a/drivers/staging/gma500/cdv_intel_display.c
+++ b/drivers/staging/gma500/cdv_intel_display.c
@@ -1457,6 +1457,19 @@ static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
kfree(psb_intel_crtc);
}
+static void cdv_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
.dpms = cdv_intel_crtc_dpms,
.mode_fixup = cdv_intel_crtc_mode_fixup,
@@ -1464,6 +1477,7 @@ const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
.mode_set_base = cdv_intel_pipe_set_base,
.prepare = cdv_intel_crtc_prepare,
.commit = cdv_intel_crtc_commit,
+ .disable = cdv_intel_crtc_disable,
};
const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c
index 3f39a37..d28fdc2 100644
--- a/drivers/staging/gma500/framebuffer.c
+++ b/drivers/staging/gma500/framebuffer.c
@@ -831,8 +831,8 @@ void psb_modeset_init(struct drm_device *dev)
for (i = 0; i < dev_priv->num_pipe; i++)
psb_intel_crtc_init(dev, i, mode_dev);
- dev->mode_config.max_width = 2048;
- dev->mode_config.max_height = 2048;
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;
psb_setup_outputs(dev);
}
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
index caa9d86..0d872e9 100644
--- a/drivers/staging/gma500/psb_intel_display.c
+++ b/drivers/staging/gma500/psb_intel_display.c
@@ -1255,6 +1255,19 @@ void psb_intel_crtc_destroy(struct drm_crtc *crtc)
kfree(psb_intel_crtc);
}
+static void psb_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
.dpms = psb_intel_crtc_dpms,
.mode_fixup = psb_intel_crtc_mode_fixup,
@@ -1262,6 +1275,7 @@ const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
.mode_set_base = psb_intel_pipe_set_base,
.prepare = psb_intel_crtc_prepare,
.commit = psb_intel_crtc_commit,
+ .disable = psb_intel_crtc_disable,
};
const struct drm_crtc_funcs psb_intel_crtc_funcs = {
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 5b77316..db313ba 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -713,9 +713,9 @@ static int iscsi_add_notunderstood_response(
}
INIT_LIST_HEAD(&extra_response->er_list);
- strncpy(extra_response->key, key, strlen(key) + 1);
- strncpy(extra_response->value, NOTUNDERSTOOD,
- strlen(NOTUNDERSTOOD) + 1);
+ strlcpy(extra_response->key, key, sizeof(extra_response->key));
+ strlcpy(extra_response->value, NOTUNDERSTOOD,
+ sizeof(extra_response->value));
list_add_tail(&extra_response->er_list,
¶m_list->extra_response_list);
@@ -1572,8 +1572,6 @@ int iscsi_decode_text_input(
if (phase & PHASE_SECURITY) {
if (iscsi_check_for_auth_key(key) > 0) {
- char *tmpptr = key + strlen(key);
- *tmpptr = '=';
kfree(tmpbuf);
return 1;
}
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index 6a37fd6..83eed65 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -1,8 +1,10 @@
#ifndef ISCSI_PARAMETERS_H
#define ISCSI_PARAMETERS_H
+#include <scsi/iscsi_proto.h>
+
struct iscsi_extra_response {
- char key[64];
+ char key[KEY_MAXLEN];
char value[32];
struct list_head er_list;
} ____cacheline_aligned;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e9637f9..b368b83 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1310,10 +1310,19 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc)
for (epnum = 0; epnum < DWC3_ENDPOINTS_NUM; epnum++) {
dep = dwc->eps[epnum];
- dwc3_free_trb_pool(dep);
-
- if (epnum != 0 && epnum != 1)
+ /*
+ * Physical endpoints 0 and 1 are special; they form the
+ * bi-directional USB endpoint 0.
+ *
+ * For those two physical endpoints, we don't allocate a TRB
+ * pool nor do we add them the endpoints list. Due to that, we
+ * shouldn't do these two operations otherwise we would end up
+ * with all sorts of bugs when removing dwc3.ko.
+ */
+ if (epnum != 0 && epnum != 1) {
+ dwc3_free_trb_pool(dep);
list_del(&dep->endpoint.ep_list);
+ }
kfree(dep);
}
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 08e470f..34655d0 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -236,7 +236,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
}
static const unsigned char
-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };
/* carryover low/fullspeed bandwidth that crosses uframe boundries */
static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 430c1d5..5018e33 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1755,6 +1755,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
spin_unlock_irqrestore(&xhci->lock, flags);
+ if (!xhci->rh_bw)
+ goto no_bw;
+
num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
for (i = 0; i < num_ports; i++) {
struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
@@ -1773,6 +1776,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
}
+no_bw:
xhci->num_usb2_ports = 0;
xhci->num_usb3_ports = 0;
xhci->num_active_eps = 0;
@@ -2184,6 +2188,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
u32 page_size;
int i;
+ INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+ INIT_LIST_HEAD(&xhci->cancel_cmd_list);
+
page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
for (i = 0; i < 16; i++) {
@@ -2262,7 +2269,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags);
if (!xhci->cmd_ring)
goto fail;
- INIT_LIST_HEAD(&xhci->cancel_cmd_list);
xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
(unsigned long long)xhci->cmd_ring->first_seg->dma);
@@ -2363,8 +2369,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
if (xhci_setup_port_arrays(xhci, flags))
goto fail;
- INIT_LIST_HEAD(&xhci->lpm_failed_devs);
-
return 0;
fail:
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2c0350f..136c357 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -938,6 +938,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct usb_hcd *secondary_hcd;
int retval = 0;
+ bool comp_timer_running = false;
/* Wait a bit if either of the roothubs need to settle from the
* transition into bus suspend.
@@ -975,6 +976,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
/* If restore operation fails, re-initialize the HC during resume */
if ((temp & STS_SRE) || hibernated) {
+
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+ !(xhci_all_ports_seen_u0(xhci))) {
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer deleted!\n");
+ }
+
/* Let the USB core know _both_ roothubs lost power. */
usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
@@ -1017,6 +1025,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
retval = xhci_init(hcd->primary_hcd);
if (retval)
return retval;
+ comp_timer_running = true;
+
xhci_dbg(xhci, "Start the primary HCD\n");
retval = xhci_run(hcd->primary_hcd);
if (!retval) {
@@ -1058,7 +1068,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
* to suffer the Compliance Mode issue again. It doesn't matter if
* ports have entered previously to U0 before system's suspension.
*/
- if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running)
compliance_mode_recovery_timer_init(xhci);
/* Re-enable port polling. */
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 3ca6c0d..1a715f6 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -49,7 +49,7 @@ static int debug;
#define DRIVER_NAME "ark3116"
/* usb timeout of 1 second */
-#define ARK_TIMEOUT (1*HZ)
+#define ARK_TIMEOUT 1000
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x6547, 0x0232) },
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 01a44d3..10c30ad 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -96,6 +96,7 @@ static const struct usb_device_id id_table_earthmate[] = {
static const struct usb_device_id id_table_cyphidcomrs232[] = {
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ } /* Terminating entry */
};
@@ -109,6 +110,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
{ } /* Terminating entry */
};
@@ -267,6 +269,12 @@ static struct usb_serial_driver cypress_ca42v2_device = {
* Cypress serial helper functions
*****************************************************************************/
+/* FRWD Dongle hidcom needs to skip reset and speed checks */
+static inline bool is_frwd(struct usb_device *dev)
+{
+ return ((le16_to_cpu(dev->descriptor.idVendor) == VENDOR_ID_FRWD) &&
+ (le16_to_cpu(dev->descriptor.idProduct) == PRODUCT_ID_CYPHIDCOM_FRWD));
+}
static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
{
@@ -276,6 +284,10 @@ static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
if (unstable_bauds)
return new_rate;
+ /* FRWD Dongle uses 115200 bps */
+ if (is_frwd(port->serial->dev))
+ return new_rate;
+
/*
* The general purpose firmware for the Cypress M8 allows for
* a maximum speed of 57600bps (I have no idea whether DeLorme
@@ -488,7 +500,11 @@ static int generic_startup(struct usb_serial *serial)
return -ENOMEM;
}
- usb_reset_configuration(serial->dev);
+ /* Skip reset for FRWD device. It is a workaound:
+ device hangs if it receives SET_CONFIGURE in Configured
+ state. */
+ if (!is_frwd(serial->dev))
+ usb_reset_configuration(serial->dev);
priv->cmd_ctrl = 0;
priv->line_control = 0;
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index 67cf608..b461311 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -24,6 +24,10 @@
#define VENDOR_ID_CYPRESS 0x04b4
#define PRODUCT_ID_CYPHIDCOM 0x5500
+/* FRWD Dongle - a GPS sports watch */
+#define VENDOR_ID_FRWD 0x6737
+#define PRODUCT_ID_CYPHIDCOM_FRWD 0x0001
+
/* Powercom UPS, chip CY7C63723 */
#define VENDOR_ID_POWERCOM 0x0d9f
#define PRODUCT_ID_UPS 0x0002
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 918ec98..ce9f87f 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2169,6 +2169,9 @@ static void ftdi_set_termios(struct tty_struct *tty,
cflag = termios->c_cflag;
+ if (!old_termios)
+ goto no_skip;
+
if (old_termios->c_cflag == termios->c_cflag
&& old_termios->c_ispeed == termios->c_ispeed
&& old_termios->c_ospeed == termios->c_ospeed)
@@ -2182,6 +2185,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
(termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
goto no_data_parity_stop_changes;
+no_skip:
/* Set number of data bits, parity, stop bits */
urb_value = 0;
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 6aca631..cf2668e 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -327,7 +327,7 @@ static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
usb_bulk_msg(serial->dev,
usb_sndbulkpipe(serial->dev,
port->bulk_out_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);
if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
@@ -350,7 +350,7 @@ static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
usb_bulk_msg(serial->dev,
usb_rcvbulkpipe(serial->dev,
port->bulk_in_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);
if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index a442352..4f415e28 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1833,7 +1833,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
d_details = s_priv->device_details;
device_port = port->number - port->serial->minor;
- outcont_urb = d_details->outcont_endpoints[port->number];
+ outcont_urb = d_details->outcont_endpoints[device_port];
this_urb = p_priv->outcont_urb;
dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe));
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 3524a10..9580679 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -44,7 +44,7 @@
#define DRIVER_DESC "Moschip USB Serial Driver"
/* default urb timeout */
-#define MOS_WDR_TIMEOUT (HZ * 5)
+#define MOS_WDR_TIMEOUT 5000
#define MOS_MAX_PORT 0x02
#define MOS_WRITE 0x0E
@@ -234,11 +234,22 @@ static int read_mos_reg(struct usb_serial *serial, unsigned int serial_portnum,
__u8 requesttype = (__u8)0xc0;
__u16 index = get_reg_index(reg);
__u16 value = get_reg_value(reg, serial_portnum);
- int status = usb_control_msg(usbdev, pipe, request, requesttype, value,
- index, data, 1, MOS_WDR_TIMEOUT);
- if (status < 0)
+ u8 *buf;
+ int status;
+
+ buf = kmalloc(1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ status = usb_control_msg(usbdev, pipe, request, requesttype, value,
+ index, buf, 1, MOS_WDR_TIMEOUT);
+ if (status == 1)
+ *data = *buf;
+ else if (status < 0)
dev_err(&usbdev->dev,
"mos7720: usb_control_msg() failed: %d", status);
+ kfree(buf);
+
return status;
}
@@ -1700,7 +1711,7 @@ static void change_port_settings(struct tty_struct *tty,
mos7720_port->shadowMCR |= (UART_MCR_XONANY);
/* To set hardware flow control to the specified *
* serial port, in SP1/2_CONTROL_REG */
- if (port->number)
+ if (port_number)
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01);
else
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02);
@@ -2112,7 +2123,7 @@ static int mos7720_startup(struct usb_serial *serial)
/* setting configuration feature to one */
usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
+ (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000);
/* start the interrupt urb */
ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
@@ -2157,7 +2168,7 @@ static void mos7720_release(struct usb_serial *serial)
/* wait for synchronous usb calls to return */
if (mos_parport->msg_pending)
wait_for_completion_timeout(&mos_parport->syncmsg_compl,
- MOS_WDR_TIMEOUT);
+ msecs_to_jiffies(MOS_WDR_TIMEOUT));
parport_remove_port(mos_parport->pp);
usb_set_serial_data(serial, NULL);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 59c4997..8ea37bc 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -593,6 +593,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x14ac, 0xff, 0xff, 0xff), /* Huawei E1820 */
+ .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index fd86e0e..317e503 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -270,7 +270,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */
- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;
cflag = tty->termios->c_cflag;
@@ -279,7 +279,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
if (!buf) {
dev_err(&port->dev, "%s - out of memory.\n", __func__);
/* Report back no change occurred */
- *tty->termios = *old_termios;
+ if (old_termios)
+ *tty->termios = *old_termios;
return;
}
@@ -419,7 +420,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- else if ((old_termios->c_cflag & CBAUD) == B0)
+ else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
@@ -480,7 +481,6 @@ static void pl2303_close(struct usb_serial_port *port)
static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int result;
@@ -498,7 +498,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
/* Setup termios */
if (tty)
- pl2303_set_termios(tty, port, &tmp_termios);
+ pl2303_set_termios(tty, port, NULL);
dbg("%s - submitting read urb", __func__);
result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL);
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 14c4a82..5535c3a 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -115,6 +115,7 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
+ {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index ba6b438..f3179b0 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -338,7 +338,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int cflag = tty->termios->c_cflag;
- unsigned int old_cflag = old_termios->c_cflag;
unsigned short uartdata;
unsigned char buf[2] = {0, 0};
int baud;
@@ -347,15 +346,15 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
/* check that they really want us to change something */
- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;
/* set DTR/RTS active */
spin_lock_irqsave(&priv->lock, flags);
control = priv->line_control;
- if ((old_cflag & CBAUD) == B0) {
+ if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
priv->line_control |= MCR_DTR;
- if (!(old_cflag & CRTSCTS))
+ if (!(old_termios->c_cflag & CRTSCTS))
priv->line_control |= MCR_RTS;
}
if (control != priv->line_control) {
@@ -445,7 +444,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
* status of the device. */
static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
int ret;
@@ -468,7 +466,7 @@ static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
/* Setup termios */
if (tty)
- spcp8x5_set_termios(tty, port, &tmp_termios);
+ spcp8x5_set_termios(tty, port, NULL);
spcp8x5_get_msr(serial->dev, &status, priv->type);
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 1c11959..80a6ff6 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -599,7 +599,9 @@ static int treo_attach(struct usb_serial *serial)
dest->read_urb = src->read_urb; \
dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
dest->bulk_in_buffer = src->bulk_in_buffer; \
+ dest->bulk_in_size = src->bulk_in_size; \
dest->interrupt_in_urb = src->interrupt_in_urb; \
+ dest->interrupt_in_urb->context = dest; \
dest->interrupt_in_endpointAddress = \
src->interrupt_in_endpointAddress;\
dest->interrupt_in_buffer = src->interrupt_in_buffer; \
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 59d646d..0ec60cd 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -1209,7 +1209,7 @@ static void firm_setup_port(struct tty_struct *tty)
struct whiteheat_port_settings port_settings;
unsigned int cflag = tty->termios->c_cflag;
- port_settings.port = port->number + 1;
+ port_settings.port = port->number - port->serial->minor + 1;
/* get the byte size */
switch (cflag & CSIZE) {
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index fec1204..11d7b64 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1176,7 +1176,7 @@ static void __xen_evtchn_do_upcall(void)
{
int start_word_idx, start_bit_idx;
int word_idx, bit_idx;
- int i;
+ int i, irq;
int cpu = get_cpu();
struct shared_info *s = HYPERVISOR_shared_info;
struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
@@ -1184,6 +1184,8 @@ static void __xen_evtchn_do_upcall(void)
do {
unsigned long pending_words;
+ unsigned long pending_bits;
+ struct irq_desc *desc;
vcpu_info->evtchn_upcall_pending = 0;
@@ -1194,6 +1196,17 @@ static void __xen_evtchn_do_upcall(void)
/* Clear master flag /before/ clearing selector flag. */
wmb();
#endif
+ if ((irq = per_cpu(virq_to_irq, cpu)[VIRQ_TIMER]) != -1) {
+ int evtchn = evtchn_from_irq(irq);
+ word_idx = evtchn / BITS_PER_LONG;
+ pending_bits = evtchn % BITS_PER_LONG;
+ if (active_evtchns(cpu, s, word_idx) & (1ULL << pending_bits)) {
+ desc = irq_to_desc(irq);
+ if (desc)
+ generic_handle_irq_desc(irq, desc);
+ }
+ }
+
pending_words = xchg(&vcpu_info->evtchn_pending_sel, 0);
start_word_idx = __this_cpu_read(current_word_idx);
@@ -1202,7 +1215,6 @@ static void __xen_evtchn_do_upcall(void)
word_idx = start_word_idx;
for (i = 0; pending_words != 0; i++) {
- unsigned long pending_bits;
unsigned long words;
words = MASK_LSBS(pending_words, word_idx);
@@ -1231,8 +1243,7 @@ static void __xen_evtchn_do_upcall(void)
do {
unsigned long bits;
- int port, irq;
- struct irq_desc *desc;
+ int port;
bits = MASK_LSBS(pending_bits, bit_idx);
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 2263144..d0e5fc5 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/vfs.h>
#include <linux/fs.h>
+#include <linux/inet.h>
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifsfs.h"
@@ -150,7 +151,8 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
* assuming that we have 'unc=' and 'ip=' in
* the original sb_mountdata
*/
- md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12;
+ md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12 +
+ INET6_ADDRSTRLEN;
mountdata = kzalloc(md_len+1, GFP_KERNEL);
if (mountdata == NULL) {
rc = -ENOMEM;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index cc386b2..259e950 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2260,7 +2260,9 @@ static void ext4_orphan_cleanup(struct super_block *sb,
__func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %lld bytes\n",
inode->i_ino, inode->i_size);
+ mutex_lock(&inode->i_mutex);
ext4_truncate(inode);
+ mutex_unlock(&inode->i_mutex);
nr_truncates++;
} else {
ext4_msg(sb, KERN_DEBUG,
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 77b69b2..13fc885 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -125,7 +125,7 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int wait = wbc->sync_mode == WB_SYNC_ALL;
- if (test_cflag(COMMIT_Nolink, inode))
+ if (inode->i_nlink == 0)
return 0;
/*
* If COMMIT_DIRTY is not set, the inode isn't really dirty.
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index cc5f811..bfb2a91 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1058,7 +1058,8 @@ static int lmLogSync(struct jfs_log * log, int hard_sync)
*/
void jfs_syncpt(struct jfs_log *log, int hard_sync)
{ LOG_LOCK(log);
- lmLogSync(log, hard_sync);
+ if (!test_bit(log_QUIESCE, &log->flag))
+ lmLogSync(log, hard_sync);
LOG_UNLOCK(log);
}
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 23ce927..bd2fb43 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -507,6 +507,28 @@ xfs_vn_getattr(
return 0;
}
+static void
+xfs_setattr_mode(
+ struct xfs_trans *tp,
+ struct xfs_inode *ip,
+ struct iattr *iattr)
+{
+ struct inode *inode = VFS_I(ip);
+ umode_t mode = iattr->ia_mode;
+
+ ASSERT(tp);
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+
+ if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
+ mode &= ~S_ISGID;
+
+ ip->i_d.di_mode &= S_IFMT;
+ ip->i_d.di_mode |= mode & ~S_IFMT;
+
+ inode->i_mode &= S_IFMT;
+ inode->i_mode |= mode & ~S_IFMT;
+}
+
int
xfs_setattr_nonsize(
struct xfs_inode *ip,
@@ -658,18 +680,8 @@ xfs_setattr_nonsize(
/*
* Change file access modes.
*/
- if (mask & ATTR_MODE) {
- umode_t mode = iattr->ia_mode;
-
- if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
- mode &= ~S_ISGID;
-
- ip->i_d.di_mode &= S_IFMT;
- ip->i_d.di_mode |= mode & ~S_IFMT;
-
- inode->i_mode &= S_IFMT;
- inode->i_mode |= mode & ~S_IFMT;
- }
+ if (mask & ATTR_MODE)
+ xfs_setattr_mode(tp, ip, iattr);
/*
* Change file access or modified times.
@@ -768,9 +780,8 @@ xfs_setattr_size(
return XFS_ERROR(error);
ASSERT(S_ISREG(ip->i_d.di_mode));
- ASSERT((mask & (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
- ATTR_MTIME_SET|ATTR_KILL_SUID|ATTR_KILL_SGID|
- ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
+ ASSERT((mask & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
+ ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
lock_flags = XFS_ILOCK_EXCL;
if (!(flags & XFS_ATTR_NOLOCK))
@@ -902,6 +913,12 @@ xfs_setattr_size(
xfs_iflags_set(ip, XFS_ITRUNCATED);
}
+ /*
+ * Change file access modes.
+ */
+ if (mask & ATTR_MODE)
+ xfs_setattr_mode(tp, ip, iattr);
+
if (mask & ATTR_CTIME) {
inode->i_ctime = iattr->ia_ctime;
ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec;
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index c692acc..9c3e071 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -168,6 +168,8 @@ extern struct sysdev_class cpu_sysdev_class;
extern void get_online_cpus(void);
extern void put_online_cpus(void);
+extern void cpu_hotplug_disable(void);
+extern void cpu_hotplug_enable(void);
#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri)
#define register_hotcpu_notifier(nb) register_cpu_notifier(nb)
#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
@@ -190,6 +192,8 @@ static inline void cpu_hotplug_driver_unlock(void)
#define get_online_cpus() do { } while (0)
#define put_online_cpus() do { } while (0)
+#define cpu_hotplug_disable() do { } while (0)
+#define cpu_hotplug_enable() do { } while (0)
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
/* These aren't inline functions due to a GCC bug. */
#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; })
diff --git a/include/linux/net.h b/include/linux/net.h
index b299230..b7ca08e 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -249,6 +249,29 @@ extern struct socket *sockfd_lookup(int fd, int *err);
#define sockfd_put(sock) fput(sock->file)
extern int net_ratelimit(void);
+#define net_ratelimited_function(function, ...) \
+do { \
+ if (net_ratelimit()) \
+ function(__VA_ARGS__); \
+} while (0)
+
+#define net_emerg_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_emerg, fmt, ##__VA_ARGS__)
+#define net_alert_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_alert, fmt, ##__VA_ARGS__)
+#define net_crit_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_crit, fmt, ##__VA_ARGS__)
+#define net_err_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__)
+#define net_notice_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_notice, fmt, ##__VA_ARGS__)
+#define net_warn_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
+#define net_info_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
+#define net_dbg_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
+
#define net_random() random32()
#define net_srandom(seed) srandom32((__force u32)seed)
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index d6955607..7f62faf 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -136,6 +136,7 @@ static inline void make_migration_entry_read(swp_entry_t *entry)
extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address);
+extern void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte);
#else
#define make_migration_entry(page, write) swp_entry(0, 0)
@@ -147,6 +148,8 @@ static inline int is_migration_entry(swp_entry_t swp)
static inline void make_migration_entry_read(swp_entry_t *entryp) { }
static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address) { }
+static inline void migration_entry_wait_huge(struct mm_struct *mm,
+ pte_t *pte) { }
static inline int is_write_migration_entry(swp_entry_t entry)
{
return 0;
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h
index cb94668..d4635cd 100644
--- a/include/xen/interface/io/netif.h
+++ b/include/xen/interface/io/netif.h
@@ -13,6 +13,24 @@
#include "../grant_table.h"
/*
+ * Older implementation of Xen network frontend / backend has an
+ * implicit dependency on the MAX_SKB_FRAGS as the maximum number of
+ * ring slots a skb can use. Netfront / netback may not work as
+ * expected when frontend and backend have different MAX_SKB_FRAGS.
+ *
+ * A better approach is to add mechanism for netfront / netback to
+ * negotiate this value. However we cannot fix all possible
+ * frontends, so we need to define a value which states the minimum
+ * slots backend must support.
+ *
+ * The minimum value derives from older Linux kernel's MAX_SKB_FRAGS
+ * (18), which is proved to work with most frontends. Any new backend
+ * which doesn't negotiate with frontend should expect frontend to
+ * send a valid packet using slots up to this value.
+ */
+#define XEN_NETIF_NR_SLOTS_MIN 18
+
+/*
* Notifications after enqueuing any type of message should be conditional on
* the appropriate req_event or rsp_event field in the shared ring.
* If the client sends notification for rx requests then it should specify
@@ -47,6 +65,7 @@
#define _XEN_NETTXF_extra_info (3)
#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info)
+#define XEN_NETIF_MAX_TX_SIZE 0xFFFF
struct xen_netif_tx_request {
grant_ref_t gref; /* Reference to buffer page */
uint16_t offset; /* Offset within buffer page */
diff --git a/kernel/audit.c b/kernel/audit.c
index 09fae26..d4bc594 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1167,7 +1167,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
/* Wait for auditd to drain the queue a little */
DECLARE_WAITQUEUE(wait, current);
- set_current_state(TASK_INTERRUPTIBLE);
+ set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&audit_backlog_wait, &wait);
if (audit_backlog_limit &&
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 563f136..82c91f1 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -124,6 +124,27 @@ static void cpu_hotplug_done(void)
mutex_unlock(&cpu_hotplug.lock);
}
+/*
+ * Wait for currently running CPU hotplug operations to complete (if any) and
+ * disable future CPU hotplug (from sysfs). The 'cpu_add_remove_lock' protects
+ * the 'cpu_hotplug_disabled' flag. The same lock is also acquired by the
+ * hotplug path before performing hotplug operations. So acquiring that lock
+ * guarantees mutual exclusion from any currently running hotplug operations.
+ */
+void cpu_hotplug_disable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 1;
+ cpu_maps_update_done();
+}
+
+void cpu_hotplug_enable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 0;
+ cpu_maps_update_done();
+}
+
#else /* #if CONFIG_HOTPLUG_CPU */
static void cpu_hotplug_begin(void) {}
static void cpu_hotplug_done(void) {}
@@ -479,36 +500,6 @@ static int alloc_frozen_cpus(void)
core_initcall(alloc_frozen_cpus);
/*
- * Prevent regular CPU hotplug from racing with the freezer, by disabling CPU
- * hotplug when tasks are about to be frozen. Also, don't allow the freezer
- * to continue until any currently running CPU hotplug operation gets
- * completed.
- * To modify the 'cpu_hotplug_disabled' flag, we need to acquire the
- * 'cpu_add_remove_lock'. And this same lock is also taken by the regular
- * CPU hotplug path and released only after it is complete. Thus, we
- * (and hence the freezer) will block here until any currently running CPU
- * hotplug operation gets completed.
- */
-void cpu_hotplug_disable_before_freeze(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 1;
- cpu_maps_update_done();
-}
-
-
-/*
- * When tasks have been thawed, re-enable regular CPU hotplug (which had been
- * disabled while beginning to freeze tasks).
- */
-void cpu_hotplug_enable_after_thaw(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 0;
- cpu_maps_update_done();
-}
-
-/*
* When callbacks for CPU hotplug notifications are being executed, we must
* ensure that the state of the system with respect to the tasks being frozen
* or not, as reported by the notification, remains unchanged *throughout the
@@ -527,12 +518,12 @@ cpu_hotplug_pm_callback(struct notifier_block *nb,
case PM_SUSPEND_PREPARE:
case PM_HIBERNATION_PREPARE:
- cpu_hotplug_disable_before_freeze();
+ cpu_hotplug_disable();
break;
case PM_POST_SUSPEND:
case PM_POST_HIBERNATION:
- cpu_hotplug_enable_after_thaw();
+ cpu_hotplug_enable();
break;
default:
diff --git a/kernel/sys.c b/kernel/sys.c
index be5fa8b..9d557df 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -353,6 +353,29 @@ int unregister_reboot_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL(unregister_reboot_notifier);
+/* Add backwards compatibility for stable trees. */
+#ifndef PF_NO_SETAFFINITY
+#define PF_NO_SETAFFINITY PF_THREAD_BOUND
+#endif
+
+static void migrate_to_reboot_cpu(void)
+{
+ /* The boot cpu is always logical cpu 0 */
+ int cpu = 0;
+
+ cpu_hotplug_disable();
+
+ /* Make certain the cpu I'm about to reboot on is online */
+ if (!cpu_online(cpu))
+ cpu = cpumask_first(cpu_online_mask);
+
+ /* Prevent races with other tasks migrating this task */
+ current->flags |= PF_NO_SETAFFINITY;
+
+ /* Make certain I only run on the appropriate processor */
+ set_cpus_allowed_ptr(current, cpumask_of(cpu));
+}
+
/**
* kernel_restart - reboot the system
* @cmd: pointer to buffer containing command to execute for restart
@@ -364,7 +387,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
void kernel_restart(char *cmd)
{
kernel_restart_prepare(cmd);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
if (!cmd)
printk(KERN_EMERG "Restarting system.\n");
@@ -391,7 +414,7 @@ static void kernel_shutdown_prepare(enum system_states state)
void kernel_halt(void)
{
kernel_shutdown_prepare(SYSTEM_HALT);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "System halted.\n");
kmsg_dump(KMSG_DUMP_HALT);
@@ -410,7 +433,7 @@ void kernel_power_off(void)
kernel_shutdown_prepare(SYSTEM_POWER_OFF);
if (pm_power_off_prepare)
pm_power_off_prepare();
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "Power down.\n");
kmsg_dump(KMSG_DUMP_POWEROFF);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 24b3759..226776b 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -929,6 +929,19 @@ static __init void ftrace_profile_debugfs(struct dentry *d_tracer)
static struct pid * const ftrace_swapper_pid = &init_struct_pid;
+static loff_t
+ftrace_filter_lseek(struct file *file, loff_t offset, int whence)
+{
+ loff_t ret;
+
+ if (file->f_mode & FMODE_READ)
+ ret = seq_lseek(file, offset, whence);
+ else
+ file->f_pos = ret = 1;
+
+ return ret;
+}
+
#ifdef CONFIG_DYNAMIC_FTRACE
#ifndef CONFIG_FTRACE_MCOUNT_RECORD
@@ -2315,19 +2328,6 @@ ftrace_notrace_open(struct inode *inode, struct file *file)
inode, file);
}
-static loff_t
-ftrace_filter_lseek(struct file *file, loff_t offset, int origin)
-{
- loff_t ret;
-
- if (file->f_mode & FMODE_READ)
- ret = seq_lseek(file, offset, origin);
- else
- file->f_pos = ret = 1;
-
- return ret;
-}
-
static int ftrace_match(char *str, char *regex, int len, int type)
{
int matched = 0;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 70b4733..2dcd716 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2751,7 +2751,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (ptep) {
entry = huge_ptep_get(ptep);
if (unlikely(is_hugetlb_entry_migration(entry))) {
- migration_entry_wait(mm, (pmd_t *)ptep, address);
+ migration_entry_wait_huge(mm, ptep);
return 0;
} else if (unlikely(is_hugetlb_entry_hwpoisoned(entry)))
return VM_FAULT_HWPOISON_LARGE |
diff --git a/mm/migrate.c b/mm/migrate.c
index e1052d1..09d6a9d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -184,15 +184,14 @@ static void remove_migration_ptes(struct page *old, struct page *new)
*
* This function is called from do_swap_page().
*/
-void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
- unsigned long address)
+static void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
+ spinlock_t *ptl)
{
- pte_t *ptep, pte;
- spinlock_t *ptl;
+ pte_t pte;
swp_entry_t entry;
struct page *page;
- ptep = pte_offset_map_lock(mm, pmd, address, &ptl);
+ spin_lock(ptl);
pte = *ptep;
if (!is_swap_pte(pte))
goto out;
@@ -220,6 +219,20 @@ out:
pte_unmap_unlock(ptep, ptl);
}
+void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
+ unsigned long address)
+{
+ spinlock_t *ptl = pte_lockptr(mm, pmd);
+ pte_t *ptep = pte_offset_map(pmd, address);
+ __migration_entry_wait(mm, ptep, ptl);
+}
+
+void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte)
+{
+ spinlock_t *ptl = &(mm)->page_table_lock;
+ __migration_entry_wait(mm, pte, ptl);
+}
+
#ifdef CONFIG_BLOCK
/* Returns true if all buffers are successfully locked */
static bool buffer_migrate_lock_buffers(struct buffer_head *head,
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 7704d9c..7b3dadd 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -314,8 +314,24 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
* Swap entry may have been freed since our caller observed it.
*/
err = swapcache_prepare(entry);
- if (err == -EEXIST) { /* seems racy */
+ if (err == -EEXIST) {
radix_tree_preload_end();
+ /*
+ * We might race against get_swap_page() and stumble
+ * across a SWAP_HAS_CACHE swap_map entry whose page
+ * has not been brought into the swapcache yet, while
+ * the other end is scheduled away waiting on discard
+ * I/O completion at scan_swap_map().
+ *
+ * In order to avoid turning this transitory state
+ * into a permanent loop around this -EEXIST case
+ * if !CONFIG_PREEMPT and the I/O completion happens
+ * to be waiting on the CPU waitqueue where we are now
+ * busy looping, we just conditionally invoke the
+ * scheduler here, if there are some more important
+ * tasks to run.
+ */
+ cond_resched();
continue;
}
if (err) { /* swp entry is obsolete ? */
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 04175d9..a0b6c50 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2297,10 +2297,15 @@ done:
}
}
-static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_command_rej(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_cmd_rej_unk *rej = (struct l2cap_cmd_rej_unk *) data;
+ if (cmd_len < sizeof(*rej))
+ return -EPROTO;
+
if (rej->reason != L2CAP_REJ_NOT_UNDERSTOOD)
return 0;
@@ -2317,7 +2322,8 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd
return 0;
}
-static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static int l2cap_connect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
{
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
@@ -2325,8 +2331,14 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
struct sock *parent, *sk = NULL;
int result, status = L2CAP_CS_NO_INFO;
- u16 dcid = 0, scid = __le16_to_cpu(req->scid);
- __le16 psm = req->psm;
+ u16 dcid = 0, scid;
+ __le16 psm;
+
+ if (cmd_len < sizeof(struct l2cap_conn_req))
+ return -EPROTO;
+
+ scid = __le16_to_cpu(req->scid);
+ psm = req->psm;
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
@@ -2451,7 +2463,9 @@ sendresp:
return 0;
}
-static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static int l2cap_connect_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_conn_rsp *rsp = (struct l2cap_conn_rsp *) data;
u16 scid, dcid, result, status;
@@ -2459,6 +2473,9 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
struct sock *sk;
u8 req[128];
+ if (cmd_len < sizeof(*rsp))
+ return -EPROTO;
+
scid = __le16_to_cpu(rsp->scid);
dcid = __le16_to_cpu(rsp->dcid);
result = __le16_to_cpu(rsp->result);
@@ -2534,6 +2551,9 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
struct sock *sk;
int len;
+ if (cmd_len < sizeof(*req))
+ return -EPROTO;
+
dcid = __le16_to_cpu(req->dcid);
flags = __le16_to_cpu(req->flags);
@@ -2559,7 +2579,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);
- if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) {
+ if (chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(chan, rsp,
L2CAP_CONF_REJECT, flags), rsp);
@@ -2621,13 +2641,18 @@ unlock:
return 0;
}
-static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_conf_rsp *rsp = (struct l2cap_conf_rsp *)data;
u16 scid, flags, result;
struct l2cap_chan *chan;
struct sock *sk;
- int len = cmd->len - sizeof(*rsp);
+ int len = cmd_len - sizeof(*rsp);
+
+ if (cmd_len < sizeof(*rsp))
+ return -EPROTO;
scid = __le16_to_cpu(rsp->scid);
flags = __le16_to_cpu(rsp->flags);
@@ -2703,7 +2728,9 @@ done:
return 0;
}
-static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_disconn_req *req = (struct l2cap_disconn_req *) data;
struct l2cap_disconn_rsp rsp;
@@ -2711,6 +2738,9 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
struct l2cap_chan *chan;
struct sock *sk;
+ if (cmd_len != sizeof(*req))
+ return -EPROTO;
+
scid = __le16_to_cpu(req->scid);
dcid = __le16_to_cpu(req->dcid);
@@ -2744,13 +2774,18 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
-static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_disconn_rsp *rsp = (struct l2cap_disconn_rsp *) data;
u16 dcid, scid;
struct l2cap_chan *chan;
struct sock *sk;
+ if (cmd_len != sizeof(*rsp))
+ return -EPROTO;
+
scid = __le16_to_cpu(rsp->scid);
dcid = __le16_to_cpu(rsp->dcid);
@@ -2778,11 +2813,16 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
-static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_info_req *req = (struct l2cap_info_req *) data;
u16 type;
+ if (cmd_len != sizeof(*req))
+ return -EPROTO;
+
type = __le16_to_cpu(req->type);
BT_DBG("type 0x%4.4x", type);
@@ -2818,11 +2858,16 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm
return 0;
}
-static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) data;
u16 type, result;
+ if (cmd_len != sizeof(*rsp))
+ return -EPROTO;
+
type = __le16_to_cpu(rsp->type);
result = __le16_to_cpu(rsp->result);
@@ -2941,15 +2986,15 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
switch (cmd->code) {
case L2CAP_COMMAND_REJ:
- l2cap_command_rej(conn, cmd, data);
+ l2cap_command_rej(conn, cmd, cmd_len, data);
break;
case L2CAP_CONN_REQ:
- err = l2cap_connect_req(conn, cmd, data);
+ err = l2cap_connect_req(conn, cmd, cmd_len, data);
break;
case L2CAP_CONN_RSP:
- err = l2cap_connect_rsp(conn, cmd, data);
+ err = l2cap_connect_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_CONF_REQ:
@@ -2957,15 +3002,15 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
break;
case L2CAP_CONF_RSP:
- err = l2cap_config_rsp(conn, cmd, data);
+ err = l2cap_config_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_DISCONN_REQ:
- err = l2cap_disconnect_req(conn, cmd, data);
+ err = l2cap_disconnect_req(conn, cmd, cmd_len, data);
break;
case L2CAP_DISCONN_RSP:
- err = l2cap_disconnect_rsp(conn, cmd, data);
+ err = l2cap_disconnect_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_ECHO_REQ:
@@ -2976,11 +3021,11 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
break;
case L2CAP_INFO_REQ:
- err = l2cap_information_req(conn, cmd, data);
+ err = l2cap_information_req(conn, cmd, cmd_len, data);
break;
case L2CAP_INFO_RSP:
- err = l2cap_information_rsp(conn, cmd, data);
+ err = l2cap_information_rsp(conn, cmd, cmd_len, data);
break;
default:
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index f4ddf34..8260cd5 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1242,6 +1242,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)
ASSERT_RTNL();
+ /*
+ * Close all AP_VLAN interfaces first, as otherwise they
+ * might be closed while the AP interface they belong to
+ * is closed, causing unregister_netdevice_many() to crash.
+ */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ dev_close(sdata->dev);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0acfdc9..c1c6e6d 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -220,6 +220,9 @@ void cfg80211_conn_work(struct work_struct *work)
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (!wdev->netdev)
+ continue;
+
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 2b7559c..0a7ca6c 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -1,6 +1,7 @@
#ifndef __USBAUDIO_CARD_H
#define __USBAUDIO_CARD_H
+#define MAX_NR_RATES 1024
#define MAX_PACKS 20
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 89421d1..ddfef57 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -226,7 +226,7 @@ static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
int min = combine_quad(&data[2 + 12 * i]);
int max = combine_quad(&data[6 + 12 * i]);
int res = combine_quad(&data[10 + 12 * i]);
- int rate;
+ unsigned int rate;
if ((max < 0) || (min < 0) || (res < 0) || (max < min))
continue;
@@ -253,6 +253,10 @@ static int parse_uac2_sample_rate_range(struct audioformat *fp, int nr_triplets,
fp->rates |= snd_pcm_rate_to_rate_bit(rate);
nr_rates++;
+ if (nr_rates >= MAX_NR_RATES) {
+ snd_printk(KERN_ERR "invalid uac2 rates\n");
+ break;
+ }
/* avoid endless loop */
if (res == 0)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index f4540bf..97ec155 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -822,6 +822,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
case USB_ID(0x046d, 0x0808):
case USB_ID(0x046d, 0x0809):
case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
+ case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
case USB_ID(0x046d, 0x0991):
/* Most audio usb devices lie about volume resolution.
* Most Logitech webcams have res = 384.
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 4e25148..e467a58 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -157,7 +157,13 @@
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
},
{
- USB_DEVICE(0x046d, 0x0990),
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ .idVendor = 0x046d,
+ .idProduct = 0x0990,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "Logitech, Inc.",
.product_name = "QuickCam Pro 9000",
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 42eeee8..9c82f8b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -132,10 +132,14 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
unsigned *rate_table = NULL;
fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
- if (! fp) {
+ if (!fp) {
snd_printk(KERN_ERR "cannot memdup\n");
return -ENOMEM;
}
+ if (fp->nr_rates > MAX_NR_RATES) {
+ kfree(fp);
+ return -EINVAL;
+ }
if (fp->nr_rates > 0) {
rate_table = kmemdup(fp->rate_table,
sizeof(int) * fp->nr_rates, GFP_KERNEL);
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