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Date: Wed, 7 Jun 2017 18:13:25 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.9.31
diff --git a/Makefile b/Makefile
index b78a45bcf9b1..3601995f63f9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 30
+SUBLEVEL = 31
EXTRAVERSION =
NAME = Roaring Lionus
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 9c4b57a7b265..d8199e12fb6e 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -252,8 +252,9 @@ static int emit_bpf_tail_call(struct jit_ctx *ctx)
*/
off = offsetof(struct bpf_array, ptrs);
emit_a64_mov_i64(tmp, off, ctx);
- emit(A64_LDR64(tmp, r2, tmp), ctx);
- emit(A64_LDR64(prg, tmp, r3), ctx);
+ emit(A64_ADD(1, tmp, r2, tmp), ctx);
+ emit(A64_LSL(1, prg, r3, 3), ctx);
+ emit(A64_LDR64(prg, tmp, prg), ctx);
emit(A64_CBZ(1, prg, jmp_offset), ctx);
/* goto *(prog->bpf_func + prologue_size); */
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e84d8fbc2e21..378c37aa6914 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -197,7 +197,9 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
(REGION_ID(ea) != USER_REGION_ID)) {
spin_unlock(&spu->register_lock);
- ret = hash_page(ea, _PAGE_PRESENT | _PAGE_READ, 0x300, dsisr);
+ ret = hash_page(ea,
+ _PAGE_PRESENT | _PAGE_READ | _PAGE_PRIVILEGED,
+ 0x300, dsisr);
spin_lock(&spu->register_lock);
if (!ret) {
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index ce6f56980aef..cf190728360b 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -91,9 +91,9 @@ extern unsigned long pfn_base;
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
-extern unsigned long empty_zero_page;
+extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
-#define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))
+#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
/*
* In general all page table modifications should use the V8 atomic
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 29d64b1758ed..be0cc1beed41 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -16,7 +16,7 @@ extern char reboot_command[];
*/
extern unsigned char boot_cpu_id;
-extern unsigned long empty_zero_page;
+extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
extern int serial_console;
static inline int con_is_present(void)
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index 6bcff698069b..cec54dc4ab81 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -130,17 +130,16 @@ unsigned long prepare_ftrace_return(unsigned long parent,
if (unlikely(atomic_read(¤t->tracing_graph_pause)))
return parent + 8UL;
- if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
- frame_pointer, NULL) == -EBUSY)
- return parent + 8UL;
-
trace.func = self_addr;
+ trace.depth = current->curr_ret_stack + 1;
/* Only trace if the calling function expects to */
- if (!ftrace_graph_entry(&trace)) {
- current->curr_ret_stack--;
+ if (!ftrace_graph_entry(&trace))
+ return parent + 8UL;
+
+ if (ftrace_push_return_trace(parent, self_addr, &trace.depth,
+ frame_pointer, NULL) == -EBUSY)
return parent + 8UL;
- }
return return_hooker;
}
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index eb8287155279..3b7092d9ea8f 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -301,7 +301,7 @@ void __init mem_init(void)
/* Saves us work later. */
- memset((void *)&empty_zero_page, 0, PAGE_SIZE);
+ memset((void *)empty_zero_page, 0, PAGE_SIZE);
i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5);
i += 1;
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 34d9e15857c3..4669b3a931ed 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -94,7 +94,7 @@ vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o
quiet_cmd_check_data_rel = DATAREL $@
define cmd_check_data_rel
for obj in $(filter %.o,$^); do \
- readelf -S $$obj | grep -qF .rel.local && { \
+ ${CROSS_COMPILE}readelf -S $$obj | grep -qF .rel.local && { \
echo "error: $$obj has data relocations!" >&2; \
exit 1; \
} || true; \
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 9bd7ff5ffbcc..70c9cc3f098c 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -257,6 +257,7 @@ static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { }
#endif
int mce_available(struct cpuinfo_x86 *c);
+bool mce_is_memory_error(struct mce *m);
DECLARE_PER_CPU(unsigned, mce_exception_count);
DECLARE_PER_CPU(unsigned, mce_poll_count);
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 22cda29d654e..8ca5f8ad008e 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -598,16 +598,14 @@ static void mce_read_aux(struct mce *m, int i)
}
}
-static bool memory_error(struct mce *m)
+bool mce_is_memory_error(struct mce *m)
{
- struct cpuinfo_x86 *c = &boot_cpu_data;
-
- if (c->x86_vendor == X86_VENDOR_AMD) {
+ if (m->cpuvendor == X86_VENDOR_AMD) {
/* ErrCodeExt[20:16] */
u8 xec = (m->status >> 16) & 0x1f;
return (xec == 0x0 || xec == 0x8);
- } else if (c->x86_vendor == X86_VENDOR_INTEL) {
+ } else if (m->cpuvendor == X86_VENDOR_INTEL) {
/*
* Intel SDM Volume 3B - 15.9.2 Compound Error Codes
*
@@ -628,6 +626,7 @@ static bool memory_error(struct mce *m)
return false;
}
+EXPORT_SYMBOL_GPL(mce_is_memory_error);
DEFINE_PER_CPU(unsigned, mce_poll_count);
@@ -691,7 +690,7 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
severity = mce_severity(&m, mca_cfg.tolerant, NULL, false);
- if (severity == MCE_DEFERRED_SEVERITY && memory_error(&m))
+ if (severity == MCE_DEFERRED_SEVERITY && mce_is_memory_error(&m))
if (m.status & MCI_STATUS_ADDRV)
m.severity = severity;
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index f7d0018dcaee..93110d70c1d3 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -221,6 +221,44 @@ static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm)
return 0;
}
+static int skcipher_setkey_unaligned(struct crypto_skcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ unsigned long alignmask = crypto_skcipher_alignmask(tfm);
+ struct skcipher_alg *cipher = crypto_skcipher_alg(tfm);
+ u8 *buffer, *alignbuffer;
+ unsigned long absize;
+ int ret;
+
+ absize = keylen + alignmask;
+ buffer = kmalloc(absize, GFP_ATOMIC);
+ if (!buffer)
+ return -ENOMEM;
+
+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+ memcpy(alignbuffer, key, keylen);
+ ret = cipher->setkey(tfm, alignbuffer, keylen);
+ kzfree(buffer);
+ return ret;
+}
+
+static int skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct skcipher_alg *cipher = crypto_skcipher_alg(tfm);
+ unsigned long alignmask = crypto_skcipher_alignmask(tfm);
+
+ if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) {
+ crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ if ((unsigned long)key & alignmask)
+ return skcipher_setkey_unaligned(tfm, key, keylen);
+
+ return cipher->setkey(tfm, key, keylen);
+}
+
static void crypto_skcipher_exit_tfm(struct crypto_tfm *tfm)
{
struct crypto_skcipher *skcipher = __crypto_skcipher_cast(tfm);
@@ -241,7 +279,7 @@ static int crypto_skcipher_init_tfm(struct crypto_tfm *tfm)
tfm->__crt_alg->cra_type == &crypto_givcipher_type)
return crypto_init_skcipher_ops_ablkcipher(tfm);
- skcipher->setkey = alg->setkey;
+ skcipher->setkey = skcipher_setkey;
skcipher->encrypt = alg->encrypt;
skcipher->decrypt = alg->decrypt;
skcipher->ivsize = alg->ivsize;
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 6d5a8c1d3132..e19f530f1083 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -113,7 +113,7 @@ struct acpi_button {
static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier);
static struct acpi_device *lid_device;
-static u8 lid_init_state = ACPI_BUTTON_LID_INIT_OPEN;
+static u8 lid_init_state = ACPI_BUTTON_LID_INIT_METHOD;
static unsigned long lid_report_interval __read_mostly = 500;
module_param(lid_report_interval, ulong, 0644);
diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c
index e5ce81c38eed..e25787afb212 100644
--- a/drivers/acpi/nfit/mce.c
+++ b/drivers/acpi/nfit/mce.c
@@ -26,7 +26,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val,
struct nfit_spa *nfit_spa;
/* We only care about memory errors */
- if (!(mce->status & MCACOD))
+ if (!mce_is_memory_error(mce))
return NOTIFY_DONE;
/*
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index fc061f7c2bd1..a7de8ae185a5 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -374,7 +374,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
rc = write_sync_reg(SCR_HOST_TO_READER_START, dev);
if (rc <= 0) {
- DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc);
+ DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc);
DEBUGP(2, dev, "<- cm4040_write (failed)\n");
if (rc == -ERESTARTSYS)
return rc;
@@ -387,7 +387,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
for (i = 0; i < bytes_to_write; i++) {
rc = wait_for_bulk_out_ready(dev);
if (rc <= 0) {
- DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n",
+ DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2zx\n",
rc);
DEBUGP(2, dev, "<- cm4040_write (failed)\n");
if (rc == -ERESTARTSYS)
@@ -403,7 +403,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev);
if (rc <= 0) {
- DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc);
+ DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc);
DEBUGP(2, dev, "<- cm4040_write (failed)\n");
if (rc == -ERESTARTSYS)
return rc;
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index fd7c91254841..79e9d3690667 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -774,20 +774,23 @@ void psb_intel_lvds_init(struct drm_device *dev,
if (scan->type & DRM_MODE_TYPE_PREFERRED) {
mode_dev->panel_fixed_mode =
drm_mode_duplicate(dev, scan);
+ DRM_DEBUG_KMS("Using mode from DDC\n");
goto out; /* FIXME: check for quirks */
}
}
/* Failed to get EDID, what about VBT? do we need this? */
- if (mode_dev->vbt_mode)
+ if (dev_priv->lfp_lvds_vbt_mode) {
mode_dev->panel_fixed_mode =
- drm_mode_duplicate(dev, mode_dev->vbt_mode);
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
- if (!mode_dev->panel_fixed_mode)
- if (dev_priv->lfp_lvds_vbt_mode)
- mode_dev->panel_fixed_mode =
- drm_mode_duplicate(dev,
- dev_priv->lfp_lvds_vbt_mode);
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ DRM_DEBUG_KMS("Using mode from VBT\n");
+ goto out;
+ }
+ }
/*
* If we didn't get EDID, try checking if the panel is already turned
@@ -804,6 +807,7 @@ void psb_intel_lvds_init(struct drm_device *dev,
if (mode_dev->panel_fixed_mode) {
mode_dev->panel_fixed_mode->type |=
DRM_MODE_TYPE_PREFERRED;
+ DRM_DEBUG_KMS("Using pre-programmed mode\n");
goto out; /* FIXME: check for quirks */
}
}
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 7ba450832e6b..ea36dc4dd5d2 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -776,6 +776,12 @@ bool ci_dpm_vblank_too_short(struct radeon_device *rdev)
u32 vblank_time = r600_dpm_get_vblank_time(rdev);
u32 switch_limit = pi->mem_gddr5 ? 450 : 300;
+ /* disable mclk switching if the refresh is >120Hz, even if the
+ * blanking period would allow it
+ */
+ if (r600_dpm_get_vrefresh(rdev) > 120)
+ return true;
+
if (vblank_time < switch_limit)
return true;
else
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index f6ff41a0eed6..edee6a5f4da9 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7416,7 +7416,7 @@ static inline void cik_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
@@ -7446,7 +7446,7 @@ static inline void cik_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_RX_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 0b6b5766216f..6068b8a01016 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -4933,7 +4933,7 @@ static void evergreen_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
@@ -4964,7 +4964,7 @@ static void evergreen_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_RX_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index a951881c2a50..f2eac6b6c46a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3995,7 +3995,7 @@ static void r600_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index e0c143b865f3..30bd4a6a9d46 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -97,9 +97,10 @@
* 2.46.0 - Add PFP_SYNC_ME support on evergreen
* 2.47.0 - Add UVD_NO_OP register support
* 2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
+ * 2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 48
+#define KMS_DRIVER_MINOR 49
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index deb9511725c9..316856715878 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -220,8 +220,8 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
man = &rdev->mman.bdev.man[TTM_PL_VRAM];
- args->vram_size = rdev->mc.real_vram_size;
- args->vram_visible = (u64)man->size << PAGE_SHIFT;
+ args->vram_size = (u64)man->size << PAGE_SHIFT;
+ args->vram_visible = rdev->mc.visible_vram_size;
args->vram_visible -= rdev->vram_pin_size;
args->gart_size = rdev->mc.gtt_size;
args->gart_size -= rdev->gart_pin_size;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 877af4a5ef68..3333e8a45933 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6330,7 +6330,7 @@ static inline void si_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
@@ -6361,7 +6361,7 @@ static inline void si_irq_ack(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, tmp);
}
if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
- tmp = RREG32(DC_HPD5_INT_CONTROL);
+ tmp = RREG32(DC_HPD6_INT_CONTROL);
tmp |= DC_HPDx_RX_INT_ACK;
WREG32(DC_HPD6_INT_CONTROL, tmp);
}
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 0e07a769df7c..c6a922ee5d3b 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -1400,37 +1400,38 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
{
unsigned char *data = wacom->data;
- if (wacom->pen_input)
+ if (wacom->pen_input) {
dev_dbg(wacom->pen_input->dev.parent,
"%s: received report #%d\n", __func__, data[0]);
- else if (wacom->touch_input)
+
+ if (len == WACOM_PKGLEN_PENABLED ||
+ data[0] == WACOM_REPORT_PENABLED)
+ return wacom_tpc_pen(wacom);
+ }
+ else if (wacom->touch_input) {
dev_dbg(wacom->touch_input->dev.parent,
"%s: received report #%d\n", __func__, data[0]);
- switch (len) {
- case WACOM_PKGLEN_TPC1FG:
- return wacom_tpc_single_touch(wacom, len);
+ switch (len) {
+ case WACOM_PKGLEN_TPC1FG:
+ return wacom_tpc_single_touch(wacom, len);
- case WACOM_PKGLEN_TPC2FG:
- return wacom_tpc_mt_touch(wacom);
+ case WACOM_PKGLEN_TPC2FG:
+ return wacom_tpc_mt_touch(wacom);
- case WACOM_PKGLEN_PENABLED:
- return wacom_tpc_pen(wacom);
+ default:
+ switch (data[0]) {
+ case WACOM_REPORT_TPC1FG:
+ case WACOM_REPORT_TPCHID:
+ case WACOM_REPORT_TPCST:
+ case WACOM_REPORT_TPC1FGE:
+ return wacom_tpc_single_touch(wacom, len);
- default:
- switch (data[0]) {
- case WACOM_REPORT_TPC1FG:
- case WACOM_REPORT_TPCHID:
- case WACOM_REPORT_TPCST:
- case WACOM_REPORT_TPC1FGE:
- return wacom_tpc_single_touch(wacom, len);
-
- case WACOM_REPORT_TPCMT:
- case WACOM_REPORT_TPCMT2:
- return wacom_mt_touch(wacom);
+ case WACOM_REPORT_TPCMT:
+ case WACOM_REPORT_TPCMT2:
+ return wacom_mt_touch(wacom);
- case WACOM_REPORT_PENABLED:
- return wacom_tpc_pen(wacom);
+ }
}
}
diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c
index 0ed77eeff31e..a2e3dd715380 100644
--- a/drivers/i2c/busses/i2c-tiny-usb.c
+++ b/drivers/i2c/busses/i2c-tiny-usb.c
@@ -178,22 +178,39 @@ static int usb_read(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len)
{
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
+ void *dmadata = kmalloc(len, GFP_KERNEL);
+ int ret;
+
+ if (!dmadata)
+ return -ENOMEM;
/* do control transfer */
- return usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0),
+ ret = usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE |
- USB_DIR_IN, value, index, data, len, 2000);
+ USB_DIR_IN, value, index, dmadata, len, 2000);
+
+ memcpy(data, dmadata, len);
+ kfree(dmadata);
+ return ret;
}
static int usb_write(struct i2c_adapter *adapter, int cmd,
int value, int index, void *data, int len)
{
struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;
+ void *dmadata = kmemdup(data, len, GFP_KERNEL);
+ int ret;
+
+ if (!dmadata)
+ return -ENOMEM;
/* do control transfer */
- return usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0),
+ ret = usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0),
cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
- value, index, data, len, 2000);
+ value, index, dmadata, len, 2000);
+
+ kfree(dmadata);
+ return ret;
}
static void i2c_tiny_usb_free(struct i2c_tiny_usb *dev)
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 83198a8a8797..4bd5b5caa243 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -2366,8 +2366,11 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
ret = hfi1_rvt_get_rwqe(qp, 1);
if (ret < 0)
goto nack_op_err;
- if (!ret)
+ if (!ret) {
+ /* peer will send again */
+ rvt_put_ss(&qp->r_sge);
goto rnr_nak;
+ }
wc.ex.imm_data = ohdr->u.rc.imm_data;
wc.wc_flags = IB_WC_WITH_IMM;
goto send_last;
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 2097512e75aa..f3fe787c9426 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -2067,8 +2067,10 @@ void qib_rc_rcv(struct qib_ctxtdata *rcd, struct ib_header *hdr,
ret = qib_get_rwqe(qp, 1);
if (ret < 0)
goto nack_op_err;
- if (!ret)
+ if (!ret) {
+ rvt_put_ss(&qp->r_sge);
goto rnr_nak;
+ }
wc.ex.imm_data = ohdr->u.rc.imm_data;
hdrsize += 4;
wc.wc_flags = IB_WC_WITH_IMM;
diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
index 726246665850..50dd6bd02951 100644
--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -157,7 +157,8 @@ static const struct sdhci_ops sdhci_iproc_ops = {
};
static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = {
- .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
+ .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
+ SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
.ops = &sdhci_iproc_ops,
};
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index edc70ffad660..6dcc42d79cab 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2573,7 +2573,7 @@ int __bond_3ad_get_active_agg_info(struct bonding *bond,
return -1;
ad_info->aggregator_id = aggregator->aggregator_identifier;
- ad_info->ports = aggregator->num_of_ports;
+ ad_info->ports = __agg_active_ports(aggregator);
ad_info->actor_key = aggregator->actor_oper_aggregator_key;
ad_info->partner_key = aggregator->partner_oper_aggregator_key;
ether_addr_copy(ad_info->partner_system,
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 93aa2939142a..9711ca4510fa 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5144,9 +5144,11 @@ static netdev_features_t be_features_check(struct sk_buff *skb,
struct be_adapter *adapter = netdev_priv(dev);
u8 l4_hdr = 0;
- /* The code below restricts offload features for some tunneled packets.
+ /* The code below restricts offload features for some tunneled and
+ * Q-in-Q packets.
* Offload features for normal (non tunnel) packets are unchanged.
*/
+ features = vlan_features_check(skb, features);
if (!skb->encapsulation ||
!(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS))
return features;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 3f51a44bde6b..cb45390c7623 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -767,7 +767,7 @@ static void cb_timeout_handler(struct work_struct *work)
mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n",
mlx5_command_str(msg_to_opcode(ent->in)),
msg_to_opcode(ent->in));
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx);
+ mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
}
static void cmd_work_handler(struct work_struct *work)
@@ -797,6 +797,7 @@ static void cmd_work_handler(struct work_struct *work)
}
cmd->ent_arr[ent->idx] = ent;
+ set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
lay = get_inst(cmd, ent->idx);
ent->lay = lay;
memset(lay, 0, sizeof(*lay));
@@ -818,6 +819,20 @@ static void cmd_work_handler(struct work_struct *work)
if (ent->callback)
schedule_delayed_work(&ent->cb_timeout_work, cb_timeout);
+ /* Skip sending command to fw if internal error */
+ if (pci_channel_offline(dev->pdev) ||
+ dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
+ u8 status = 0;
+ u32 drv_synd;
+
+ ent->ret = mlx5_internal_err_ret_value(dev, msg_to_opcode(ent->in), &drv_synd, &status);
+ MLX5_SET(mbox_out, ent->out, status, status);
+ MLX5_SET(mbox_out, ent->out, syndrome, drv_synd);
+
+ mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+ return;
+ }
+
/* ring doorbell after the descriptor is valid */
mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx);
wmb();
@@ -828,7 +843,7 @@ static void cmd_work_handler(struct work_struct *work)
poll_timeout(ent);
/* make sure we read the descriptor after ownership is SW */
rmb();
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx);
+ mlx5_cmd_comp_handler(dev, 1UL << ent->idx, (ent->ret == -ETIMEDOUT));
}
}
@@ -872,7 +887,7 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
wait_for_completion(&ent->done);
} else if (!wait_for_completion_timeout(&ent->done, timeout)) {
ent->ret = -ETIMEDOUT;
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx);
+ mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
}
err = ent->ret;
@@ -1369,7 +1384,7 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg)
}
}
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec)
+void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced)
{
struct mlx5_cmd *cmd = &dev->cmd;
struct mlx5_cmd_work_ent *ent;
@@ -1389,6 +1404,19 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec)
struct semaphore *sem;
ent = cmd->ent_arr[i];
+
+ /* if we already completed the command, ignore it */
+ if (!test_and_clear_bit(MLX5_CMD_ENT_STATE_PENDING_COMP,
+ &ent->state)) {
+ /* only real completion can free the cmd slot */
+ if (!forced) {
+ mlx5_core_err(dev, "Command completion arrived after timeout (entry idx = %d).\n",
+ ent->idx);
+ free_ent(cmd, ent->idx);
+ }
+ continue;
+ }
+
if (ent->callback)
cancel_delayed_work(&ent->cb_timeout_work);
if (ent->page_queue)
@@ -1411,7 +1439,10 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec)
mlx5_core_dbg(dev, "command completed. ret 0x%x, delivery status %s(0x%x)\n",
ent->ret, deliv_status_to_str(ent->status), ent->status);
}
- free_ent(cmd, ent->idx);
+
+ /* only real completion will free the entry slot */
+ if (!forced)
+ free_ent(cmd, ent->idx);
if (ent->callback) {
ds = ent->ts2 - ent->ts1;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 126cfeb7e0ec..3744e2f79ecf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -751,7 +751,6 @@ static void get_supported(u32 eth_proto_cap,
ptys2ethtool_supported_port(link_ksettings, eth_proto_cap);
ptys2ethtool_supported_link(supported, eth_proto_cap);
ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause);
- ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Asym_Pause);
}
static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
@@ -761,7 +760,7 @@ static void get_advertising(u32 eth_proto_cap, u8 tx_pause,
unsigned long *advertising = link_ksettings->link_modes.advertising;
ptys2ethtool_adver_link(advertising, eth_proto_cap);
- if (tx_pause)
+ if (rx_pause)
ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause);
if (tx_pause ^ rx_pause)
ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause);
@@ -806,6 +805,8 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
+ u32 rx_pause = 0;
+ u32 tx_pause = 0;
u32 eth_proto_cap;
u32 eth_proto_admin;
u32 eth_proto_lp;
@@ -828,11 +829,13 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev,
an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin);
an_status = MLX5_GET(ptys_reg, out, an_status);
+ mlx5_query_port_pause(mdev, &rx_pause, &tx_pause);
+
ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
get_supported(eth_proto_cap, link_ksettings);
- get_advertising(eth_proto_admin, 0, 0, link_ksettings);
+ get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings);
get_speed_duplex(netdev, eth_proto_oper, link_ksettings);
eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index aaca09002ca6..f86e9ff995be 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -234,7 +234,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
break;
case MLX5_EVENT_TYPE_CMD:
- mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector));
+ mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector), false);
break;
case MLX5_EVENT_TYPE_PORT_CHANGE:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 5bcf93422ee0..2115c8aacc5b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -90,7 +90,7 @@ static void trigger_cmd_completions(struct mlx5_core_dev *dev)
spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags);
mlx5_core_dbg(dev, "vector 0x%llx\n", vector);
- mlx5_cmd_comp_handler(dev, vector);
+ mlx5_cmd_comp_handler(dev, vector, true);
return;
no_trig:
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index c2dcf02df202..d6a541bde331 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -240,34 +240,6 @@ static int marvell_config_aneg(struct phy_device *phydev)
{
int err;
- /* The Marvell PHY has an errata which requires
- * that certain registers get written in order
- * to restart autonegotiation */
- err = phy_write(phydev, MII_BMCR, BMCR_RESET);
-
- if (err < 0)
- return err;
-
- err = phy_write(phydev, 0x1d, 0x1f);
- if (err < 0)
- return err;
-
- err = phy_write(phydev, 0x1e, 0x200c);
- if (err < 0)
- return err;
-
- err = phy_write(phydev, 0x1d, 0x5);
- if (err < 0)
- return err;
-
- err = phy_write(phydev, 0x1e, 0);
- if (err < 0)
- return err;
-
- err = phy_write(phydev, 0x1e, 0x100);
- if (err < 0)
- return err;
-
err = marvell_set_polarity(phydev, phydev->mdix);
if (err < 0)
return err;
@@ -301,6 +273,42 @@ static int marvell_config_aneg(struct phy_device *phydev)
return 0;
}
+static int m88e1101_config_aneg(struct phy_device *phydev)
+{
+ int err;
+
+ /* This Marvell PHY has an errata which requires
+ * that certain registers get written in order
+ * to restart autonegotiation
+ */
+ err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, 0x1d, 0x1f);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, 0x1e, 0x200c);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, 0x1d, 0x5);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, 0x1e, 0);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, 0x1e, 0x100);
+ if (err < 0)
+ return err;
+
+ return marvell_config_aneg(phydev);
+}
+
static int m88e1111_config_aneg(struct phy_device *phydev)
{
int err;
@@ -1491,7 +1499,7 @@ static struct phy_driver marvell_drivers[] = {
.probe = marvell_probe,
.flags = PHY_HAS_INTERRUPT,
.config_init = &marvell_config_init,
- .config_aneg = &marvell_config_aneg,
+ .config_aneg = &m88e1101_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 34d997ca1b27..2f260c63c383 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -897,6 +897,8 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x1199, 0x9071, 10)}, /* Sierra Wireless MC74xx */
{QMI_FIXED_INTF(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */
{QMI_FIXED_INTF(0x1199, 0x9079, 10)}, /* Sierra Wireless EM74xx */
+ {QMI_FIXED_INTF(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */
+ {QMI_FIXED_INTF(0x1199, 0x907b, 10)}, /* Sierra Wireless EM74xx */
{QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
{QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */
{QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 51fc0c33a62f..7ca99899972e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1456,6 +1456,7 @@ static const struct net_device_ops virtnet_netdev = {
#ifdef CONFIG_NET_RX_BUSY_POLL
.ndo_busy_poll = virtnet_busy_poll,
#endif
+ .ndo_features_check = passthru_features_check,
};
static void virtnet_config_changed_work(struct work_struct *work)
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 80ef4865cc8b..ee02605a0f89 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -850,6 +850,7 @@ static u32 vrf_fib_table(const struct net_device *dev)
static int vrf_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ kfree_skb(skb);
return 0;
}
@@ -859,7 +860,7 @@ static struct sk_buff *vrf_rcv_nfhook(u8 pf, unsigned int hook,
{
struct net *net = dev_net(dev);
- if (NF_HOOK(pf, hook, net, NULL, skb, dev, NULL, vrf_rcv_finish) < 0)
+ if (nf_hook(pf, hook, net, NULL, skb, dev, NULL, vrf_rcv_finish) != 1)
skb = NULL; /* kfree_skb(skb) handled by nf code */
return skb;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 5f2feeef8905..fbeca065f18c 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1725,7 +1725,6 @@ static void nvme_ns_remove(struct nvme_ns *ns)
sysfs_remove_group(&disk_to_dev(ns->disk)->kobj,
&nvme_ns_attr_group);
del_gendisk(ns->disk);
- blk_mq_abort_requeue_list(ns->queue);
blk_cleanup_queue(ns->queue);
}
@@ -2048,8 +2047,16 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl)
continue;
revalidate_disk(ns->disk);
blk_set_queue_dying(ns->queue);
- blk_mq_abort_requeue_list(ns->queue);
- blk_mq_start_stopped_hw_queues(ns->queue, true);
+
+ /*
+ * Forcibly start all queues to avoid having stuck requests.
+ * Note that we must ensure the queues are not stopped
+ * when the final removal happens.
+ */
+ blk_mq_start_hw_queues(ns->queue);
+
+ /* draining requests in requeue list */
+ blk_mq_kick_requeue_list(ns->queue);
}
mutex_unlock(&ctrl->namespaces_mutex);
}
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 3d25add36d91..3222f3e987eb 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1011,6 +1011,19 @@ static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc)
nvme_rdma_wr_error(cq, wc, "SEND");
}
+static inline int nvme_rdma_queue_sig_limit(struct nvme_rdma_queue *queue)
+{
+ int sig_limit;
+
+ /*
+ * We signal completion every queue depth/2 and also handle the
+ * degenerated case of a device with queue_depth=1, where we
+ * would need to signal every message.
+ */
+ sig_limit = max(queue->queue_size / 2, 1);
+ return (++queue->sig_count % sig_limit) == 0;
+}
+
static int nvme_rdma_post_send(struct nvme_rdma_queue *queue,
struct nvme_rdma_qe *qe, struct ib_sge *sge, u32 num_sge,
struct ib_send_wr *first, bool flush)
@@ -1038,9 +1051,6 @@ static int nvme_rdma_post_send(struct nvme_rdma_queue *queue,
* Would have been way to obvious to handle this in hardware or
* at least the RDMA stack..
*
- * This messy and racy code sniplet is copy and pasted from the iSER
- * initiator, and the magic '32' comes from there as well.
- *
* Always signal the flushes. The magic request used for the flush
* sequencer is not allocated in our driver's tagset and it's
* triggered to be freed by blk_cleanup_queue(). So we need to
@@ -1048,7 +1058,7 @@ static int nvme_rdma_post_send(struct nvme_rdma_queue *queue,
* embeded in request's payload, is not freed when __ib_process_cq()
* calls wr_cqe->done().
*/
- if ((++queue->sig_count % 32) == 0 || flush)
+ if (nvme_rdma_queue_sig_limit(queue) || flush)
wr.send_flags |= IB_SEND_SIGNALED;
if (first)
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 6d4b68c483f3..f3756ca6f349 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -718,6 +718,7 @@ enum qeth_discipline_id {
};
struct qeth_discipline {
+ const struct device_type *devtype;
void (*start_poll)(struct ccw_device *, int, unsigned long);
qdio_handler_t *input_handler;
qdio_handler_t *output_handler;
@@ -893,6 +894,9 @@ extern struct qeth_discipline qeth_l2_discipline;
extern struct qeth_discipline qeth_l3_discipline;
extern const struct attribute_group *qeth_generic_attr_groups[];
extern const struct attribute_group *qeth_osn_attr_groups[];
+extern const struct attribute_group qeth_device_attr_group;
+extern const struct attribute_group qeth_device_blkt_group;
+extern const struct device_type qeth_generic_devtype;
extern struct workqueue_struct *qeth_wq;
int qeth_card_hw_is_reachable(struct qeth_card *);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 20cf29613043..e8c48309ebe9 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5462,10 +5462,12 @@ void qeth_core_free_discipline(struct qeth_card *card)
card->discipline = NULL;
}
-static const struct device_type qeth_generic_devtype = {
+const struct device_type qeth_generic_devtype = {
.name = "qeth_generic",
.groups = qeth_generic_attr_groups,
};
+EXPORT_SYMBOL_GPL(qeth_generic_devtype);
+
static const struct device_type qeth_osn_devtype = {
.name = "qeth_osn",
.groups = qeth_osn_attr_groups,
@@ -5591,23 +5593,22 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
goto err_card;
}
- if (card->info.type == QETH_CARD_TYPE_OSN)
- gdev->dev.type = &qeth_osn_devtype;
- else
- gdev->dev.type = &qeth_generic_devtype;
-
switch (card->info.type) {
case QETH_CARD_TYPE_OSN:
case QETH_CARD_TYPE_OSM:
rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
if (rc)
goto err_card;
+
+ gdev->dev.type = (card->info.type != QETH_CARD_TYPE_OSN)
+ ? card->discipline->devtype
+ : &qeth_osn_devtype;
rc = card->discipline->setup(card->gdev);
if (rc)
goto err_disc;
- case QETH_CARD_TYPE_OSD:
- case QETH_CARD_TYPE_OSX:
+ break;
default:
+ gdev->dev.type = &qeth_generic_devtype;
break;
}
@@ -5663,8 +5664,10 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
if (rc)
goto err;
rc = card->discipline->setup(card->gdev);
- if (rc)
+ if (rc) {
+ qeth_core_free_discipline(card);
goto err;
+ }
}
rc = card->discipline->set_online(gdev);
err:
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 75b29fd2fcf4..db6a285d41e0 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -413,12 +413,16 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
if (card->options.layer2 == newdis)
goto out;
- else {
- card->info.mac_bits = 0;
- if (card->discipline) {
- card->discipline->remove(card->gdev);
- qeth_core_free_discipline(card);
- }
+ if (card->info.type == QETH_CARD_TYPE_OSM) {
+ /* fixed layer, can't switch */
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+
+ card->info.mac_bits = 0;
+ if (card->discipline) {
+ card->discipline->remove(card->gdev);
+ qeth_core_free_discipline(card);
}
rc = qeth_core_load_discipline(card, newdis);
@@ -426,6 +430,8 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
goto out;
rc = card->discipline->setup(card->gdev);
+ if (rc)
+ qeth_core_free_discipline(card);
out:
mutex_unlock(&card->discipline_mutex);
return rc ? rc : count;
@@ -703,10 +709,11 @@ static struct attribute *qeth_blkt_device_attrs[] = {
&dev_attr_inter_jumbo.attr,
NULL,
};
-static struct attribute_group qeth_device_blkt_group = {
+const struct attribute_group qeth_device_blkt_group = {
.name = "blkt",
.attrs = qeth_blkt_device_attrs,
};
+EXPORT_SYMBOL_GPL(qeth_device_blkt_group);
static struct attribute *qeth_device_attrs[] = {
&dev_attr_state.attr,
@@ -726,9 +733,10 @@ static struct attribute *qeth_device_attrs[] = {
&dev_attr_switch_attrs.attr,
NULL,
};
-static struct attribute_group qeth_device_attr_group = {
+const struct attribute_group qeth_device_attr_group = {
.attrs = qeth_device_attrs,
};
+EXPORT_SYMBOL_GPL(qeth_device_attr_group);
const struct attribute_group *qeth_generic_attr_groups[] = {
&qeth_device_attr_group,
diff --git a/drivers/s390/net/qeth_l2.h b/drivers/s390/net/qeth_l2.h
index 29d9fb3890ad..0d59f9a45ea9 100644
--- a/drivers/s390/net/qeth_l2.h
+++ b/drivers/s390/net/qeth_l2.h
@@ -8,6 +8,8 @@
#include "qeth_core.h"
+extern const struct attribute_group *qeth_l2_attr_groups[];
+
int qeth_l2_create_device_attributes(struct device *);
void qeth_l2_remove_device_attributes(struct device *);
void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index bb27058fa9f0..5d010aa89852 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1021,11 +1021,21 @@ static int qeth_l2_stop(struct net_device *dev)
return 0;
}
+static const struct device_type qeth_l2_devtype = {
+ .name = "qeth_layer2",
+ .groups = qeth_l2_attr_groups,
+};
+
static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ int rc;
- qeth_l2_create_device_attributes(&gdev->dev);
+ if (gdev->dev.type == &qeth_generic_devtype) {
+ rc = qeth_l2_create_device_attributes(&gdev->dev);
+ if (rc)
+ return rc;
+ }
INIT_LIST_HEAD(&card->vid_list);
hash_init(card->mac_htable);
card->options.layer2 = 1;
@@ -1037,7 +1047,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
{
struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
- qeth_l2_remove_device_attributes(&cgdev->dev);
+ if (cgdev->dev.type == &qeth_generic_devtype)
+ qeth_l2_remove_device_attributes(&cgdev->dev);
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
@@ -1095,7 +1106,6 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
case QETH_CARD_TYPE_OSN:
card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN,
ether_setup);
- card->dev->flags |= IFF_NOARP;
break;
default:
card->dev = alloc_etherdev(0);
@@ -1108,9 +1118,12 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
card->dev->mtu = card->info.initial_mtu;
card->dev->netdev_ops = &qeth_l2_netdev_ops;
- card->dev->ethtool_ops =
- (card->info.type != QETH_CARD_TYPE_OSN) ?
- &qeth_l2_ethtool_ops : &qeth_l2_osn_ops;
+ if (card->info.type == QETH_CARD_TYPE_OSN) {
+ card->dev->ethtool_ops = &qeth_l2_osn_ops;
+ card->dev->flags |= IFF_NOARP;
+ } else {
+ card->dev->ethtool_ops = &qeth_l2_ethtool_ops;
+ }
card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) {
card->dev->hw_features = NETIF_F_SG;
@@ -1434,6 +1447,7 @@ static int qeth_l2_control_event(struct qeth_card *card,
}
struct qeth_discipline qeth_l2_discipline = {
+ .devtype = &qeth_l2_devtype,
.start_poll = qeth_qdio_start_poll,
.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
.output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index 692db49e3d2a..a48ed9e7e168 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -272,3 +272,11 @@ void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card)
} else
qeth_bridgeport_an_set(card, 0);
}
+
+const struct attribute_group *qeth_l2_attr_groups[] = {
+ &qeth_device_attr_group,
+ &qeth_device_blkt_group,
+ /* l2 specific, see l2_{create,remove}_device_attributes(): */
+ &qeth_l2_bridgeport_attr_group,
+ NULL,
+};
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 272d9e7419be..171be5ec2ece 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3157,8 +3157,13 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
+ int rc;
- qeth_l3_create_device_attributes(&gdev->dev);
+ rc = qeth_l3_create_device_attributes(&gdev->dev);
+ if (rc)
+ return rc;
+ hash_init(card->ip_htable);
+ hash_init(card->ip_mc_htable);
card->options.layer2 = 0;
card->info.hwtrap = 0;
return 0;
@@ -3450,6 +3455,7 @@ static int qeth_l3_control_event(struct qeth_card *card,
}
struct qeth_discipline qeth_l3_discipline = {
+ .devtype = &qeth_generic_devtype,
.start_poll = qeth_qdio_start_poll,
.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
.output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 904422f5b62f..04148438d7ec 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -1169,6 +1169,8 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi)
cmd = list_first_entry_or_null(&vscsi->free_cmd,
struct ibmvscsis_cmd, list);
if (cmd) {
+ if (cmd->abort_cmd)
+ cmd->abort_cmd = NULL;
cmd->flags &= ~(DELAY_SEND);
list_del(&cmd->list);
cmd->iue = iue;
@@ -1773,6 +1775,7 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi)
if (cmd->abort_cmd) {
retry = true;
cmd->abort_cmd->flags &= ~(DELAY_SEND);
+ cmd->abort_cmd = NULL;
}
/*
@@ -1787,6 +1790,25 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi)
list_del(&cmd->list);
ibmvscsis_free_cmd_resources(vscsi,
cmd);
+ /*
+ * With a successfully aborted op
+ * through LIO we want to increment the
+ * the vscsi credit so that when we dont
+ * send a rsp to the original scsi abort
+ * op (h_send_crq), but the tm rsp to
+ * the abort is sent, the credit is
+ * correctly sent with the abort tm rsp.
+ * We would need 1 for the abort tm rsp
+ * and 1 credit for the aborted scsi op.
+ * Thus we need to increment here.
+ * Also we want to increment the credit
+ * here because we want to make sure
+ * cmd is actually released first
+ * otherwise the client will think it
+ * it can send a new cmd, and we could
+ * find ourselves short of cmd elements.
+ */
+ vscsi->credit += 1;
} else {
iue = cmd->iue;
@@ -2961,10 +2983,7 @@ static long srp_build_response(struct scsi_info *vscsi,
rsp->opcode = SRP_RSP;
- if (vscsi->credit > 0 && vscsi->state == SRP_PROCESSING)
- rsp->req_lim_delta = cpu_to_be32(vscsi->credit);
- else
- rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit);
+ rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit);
rsp->tag = cmd->rsp.tag;
rsp->flags = 0;
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 8a7941b8189f..289374cbcb47 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -4634,6 +4634,7 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
struct MPT3SAS_DEVICE *sas_device_priv_data;
u32 response_code = 0;
unsigned long flags;
+ unsigned int sector_sz;
mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
@@ -4692,6 +4693,20 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
}
xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
+
+ /* In case of bogus fw or device, we could end up having
+ * unaligned partial completion. We can force alignment here,
+ * then scsi-ml does not need to handle this misbehavior.
+ */
+ sector_sz = scmd->device->sector_size;
+ if (unlikely(scmd->request->cmd_type == REQ_TYPE_FS && sector_sz &&
+ xfer_cnt % sector_sz)) {
+ sdev_printk(KERN_INFO, scmd->device,
+ "unaligned partial completion avoided (xfer_cnt=%u, sector_sz=%u)\n",
+ xfer_cnt, sector_sz);
+ xfer_cnt = round_down(xfer_cnt, sector_sz);
+ }
+
scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 40e50f2d209d..01ea228358ea 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -3798,6 +3798,8 @@ int iscsi_target_tx_thread(void *arg)
{
int ret = 0;
struct iscsi_conn *conn = arg;
+ bool conn_freed = false;
+
/*
* Allow ourselves to be interrupted by SIGINT so that a
* connection recovery / failure event can be triggered externally.
@@ -3823,12 +3825,14 @@ int iscsi_target_tx_thread(void *arg)
goto transport_err;
ret = iscsit_handle_response_queue(conn);
- if (ret == 1)
+ if (ret == 1) {
goto get_immediate;
- else if (ret == -ECONNRESET)
+ } else if (ret == -ECONNRESET) {
+ conn_freed = true;
goto out;
- else if (ret < 0)
+ } else if (ret < 0) {
goto transport_err;
+ }
}
transport_err:
@@ -3838,8 +3842,13 @@ int iscsi_target_tx_thread(void *arg)
* responsible for cleaning up the early connection failure.
*/
if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN)
- iscsit_take_action_for_connection_exit(conn);
+ iscsit_take_action_for_connection_exit(conn, &conn_freed);
out:
+ if (!conn_freed) {
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+ }
return 0;
}
@@ -4012,6 +4021,7 @@ int iscsi_target_rx_thread(void *arg)
{
int rc;
struct iscsi_conn *conn = arg;
+ bool conn_freed = false;
/*
* Allow ourselves to be interrupted by SIGINT so that a
@@ -4024,7 +4034,7 @@ int iscsi_target_rx_thread(void *arg)
*/
rc = wait_for_completion_interruptible(&conn->rx_login_comp);
if (rc < 0 || iscsi_target_check_conn_state(conn))
- return 0;
+ goto out;
if (!conn->conn_transport->iscsit_get_rx_pdu)
return 0;
@@ -4033,7 +4043,15 @@ int iscsi_target_rx_thread(void *arg)
if (!signal_pending(current))
atomic_set(&conn->transport_failed, 1);
- iscsit_take_action_for_connection_exit(conn);
+ iscsit_take_action_for_connection_exit(conn, &conn_freed);
+
+out:
+ if (!conn_freed) {
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+ }
+
return 0;
}
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index b54e72c7ab0f..efc453ef6831 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -930,8 +930,10 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn)
}
}
-void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
+void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn, bool *conn_freed)
{
+ *conn_freed = false;
+
spin_lock_bh(&conn->state_lock);
if (atomic_read(&conn->connection_exit)) {
spin_unlock_bh(&conn->state_lock);
@@ -942,6 +944,7 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
if (conn->conn_state == TARG_CONN_STATE_IN_LOGOUT) {
spin_unlock_bh(&conn->state_lock);
iscsit_close_connection(conn);
+ *conn_freed = true;
return;
}
@@ -955,4 +958,5 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
spin_unlock_bh(&conn->state_lock);
iscsit_handle_connection_cleanup(conn);
+ *conn_freed = true;
}
diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h
index a9e2f9497fb2..fbc1d84a63c3 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.h
+++ b/drivers/target/iscsi/iscsi_target_erl0.h
@@ -9,6 +9,6 @@ extern int iscsit_stop_time2retain_timer(struct iscsi_session *);
extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *);
extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
extern void iscsit_fall_back_to_erl0(struct iscsi_session *);
-extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *);
+extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *, bool *);
#endif /*** ISCSI_TARGET_ERL0_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 96c55bc10ac9..6128e8e80170 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1460,5 +1460,9 @@ int iscsi_target_login_thread(void *arg)
break;
}
+ while (!kthread_should_stop()) {
+ msleep(100);
+ }
+
return 0;
}
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 080d5a59d0a7..f24d3030b98c 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1320,7 +1320,7 @@ static void autoconfig(struct uart_8250_port *up)
/*
* Check if the device is a Fintek F81216A
*/
- if (port->type == PORT_16550A)
+ if (port->type == PORT_16550A && port->iotype == UPIO_PORT)
fintek_8250_probe(up);
if (up->capabilities != old_capabilities) {
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index f04ab232d08d..f3469ad0fef2 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -812,9 +812,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
uspi->s_dirblksize = UFS_SECTOR_SIZE;
super_block_offset=UFS_SBLOCK;
- /* Keep 2Gig file limit. Some UFS variants need to override
- this but as I don't know which I'll let those in the know loosen
- the rules */
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+
switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) {
case UFS_MOUNT_UFSTYPE_44BSD:
UFSD("ufstype=44bsd\n");
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 5a508b011e27..2a8cbd15d5d1 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -2208,8 +2208,10 @@ xfs_bmap_add_extent_delay_real(
}
temp = xfs_bmap_worst_indlen(bma->ip, temp);
temp2 = xfs_bmap_worst_indlen(bma->ip, temp2);
- diff = (int)(temp + temp2 - startblockval(PREV.br_startblock) -
- (bma->cur ? bma->cur->bc_private.b.allocated : 0));
+ diff = (int)(temp + temp2 -
+ (startblockval(PREV.br_startblock) -
+ (bma->cur ?
+ bma->cur->bc_private.b.allocated : 0)));
if (diff > 0) {
error = xfs_mod_fdblocks(bma->ip->i_mount,
-((int64_t)diff), false);
@@ -2266,7 +2268,6 @@ xfs_bmap_add_extent_delay_real(
temp = da_new;
if (bma->cur)
temp += bma->cur->bc_private.b.allocated;
- ASSERT(temp <= da_old);
if (temp < da_old)
xfs_mod_fdblocks(bma->ip->i_mount,
(int64_t)(da_old - temp), false);
@@ -3964,7 +3965,7 @@ xfs_bmap_remap_alloc(
{
struct xfs_trans *tp = ap->tp;
struct xfs_mount *mp = tp->t_mountp;
- xfs_agblock_t bno;
+ xfs_fsblock_t bno;
struct xfs_alloc_arg args;
int error;
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 2849d3fa3d0b..91c68913d495 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -4376,7 +4376,7 @@ xfs_btree_visit_blocks(
xfs_btree_readahead_ptr(cur, ptr, 1);
/* save for the next iteration of the loop */
- lptr = *ptr;
+ xfs_btree_copy_ptrs(cur, &lptr, ptr, 1);
}
/* for each buffer in the level */
diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index ef9f6ead96a4..699a51bb2cbe 100644
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -126,6 +126,7 @@ extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
+extern int xfs_dir2_sf_verify(struct xfs_inode *ip);
/* xfs_dir2_readdir.c */
extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index c6809ff41197..e84af093b2ab 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -629,6 +629,112 @@ xfs_dir2_sf_check(
}
#endif /* DEBUG */
+/* Verify the consistency of an inline directory. */
+int
+xfs_dir2_sf_verify(
+ struct xfs_inode *ip)
+{
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_dir2_sf_hdr *sfp;
+ struct xfs_dir2_sf_entry *sfep;
+ struct xfs_dir2_sf_entry *next_sfep;
+ char *endp;
+ const struct xfs_dir_ops *dops;
+ struct xfs_ifork *ifp;
+ xfs_ino_t ino;
+ int i;
+ int i8count;
+ int offset;
+ int size;
+ int error;
+ __uint8_t filetype;
+
+ ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_LOCAL);
+ /*
+ * xfs_iread calls us before xfs_setup_inode sets up ip->d_ops,
+ * so we can only trust the mountpoint to have the right pointer.
+ */
+ dops = xfs_dir_get_ops(mp, NULL);
+
+ ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data;
+ size = ifp->if_bytes;
+
+ /*
+ * Give up if the directory is way too short.
+ */
+ if (size <= offsetof(struct xfs_dir2_sf_hdr, parent) ||
+ size < xfs_dir2_sf_hdr_size(sfp->i8count))
+ return -EFSCORRUPTED;
+
+ endp = (char *)sfp + size;
+
+ /* Check .. entry */
+ ino = dops->sf_get_parent_ino(sfp);
+ i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
+ error = xfs_dir_ino_validate(mp, ino);
+ if (error)
+ return error;
+ offset = dops->data_first_offset;
+
+ /* Check all reported entries */
+ sfep = xfs_dir2_sf_firstentry(sfp);
+ for (i = 0; i < sfp->count; i++) {
+ /*
+ * struct xfs_dir2_sf_entry has a variable length.
+ * Check the fixed-offset parts of the structure are
+ * within the data buffer.
+ */
+ if (((char *)sfep + sizeof(*sfep)) >= endp)
+ return -EFSCORRUPTED;
+
+ /* Don't allow names with known bad length. */
+ if (sfep->namelen == 0)
+ return -EFSCORRUPTED;
+
+ /*
+ * Check that the variable-length part of the structure is
+ * within the data buffer. The next entry starts after the
+ * name component, so nextentry is an acceptable test.
+ */
+ next_sfep = dops->sf_nextentry(sfp, sfep);
+ if (endp < (char *)next_sfep)
+ return -EFSCORRUPTED;
+
+ /* Check that the offsets always increase. */
+ if (xfs_dir2_sf_get_offset(sfep) < offset)
+ return -EFSCORRUPTED;
+
+ /* Check the inode number. */
+ ino = dops->sf_get_ino(sfp, sfep);
+ i8count += ino > XFS_DIR2_MAX_SHORT_INUM;
+ error = xfs_dir_ino_validate(mp, ino);
+ if (error)
+ return error;
+
+ /* Check the file type. */
+ filetype = dops->sf_get_ftype(sfep);
+ if (filetype >= XFS_DIR3_FT_MAX)
+ return -EFSCORRUPTED;
+
+ offset = xfs_dir2_sf_get_offset(sfep) +
+ dops->data_entsize(sfep->namelen);
+
+ sfep = next_sfep;
+ }
+ if (i8count != sfp->i8count)
+ return -EFSCORRUPTED;
+ if ((void *)sfep != (void *)endp)
+ return -EFSCORRUPTED;
+
+ /* Make sure this whole thing ought to be in local format. */
+ if (offset + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) +
+ (uint)sizeof(xfs_dir2_block_tail_t) > mp->m_dir_geo->blksize)
+ return -EFSCORRUPTED;
+
+ return 0;
+}
+
/*
* Create a new (shortform) directory.
*/
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 25c1e078aef6..8a37efe04de3 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -33,6 +33,8 @@
#include "xfs_trace.h"
#include "xfs_attr_sf.h"
#include "xfs_da_format.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_priv.h"
kmem_zone_t *xfs_ifork_zone;
@@ -210,6 +212,16 @@ xfs_iformat_fork(
if (error)
return error;
+ /* Check inline dir contents. */
+ if (S_ISDIR(VFS_I(ip)->i_mode) &&
+ dip->di_format == XFS_DINODE_FMT_LOCAL) {
+ error = xfs_dir2_sf_verify(ip);
+ if (error) {
+ xfs_idestroy_fork(ip, XFS_DATA_FORK);
+ return error;
+ }
+ }
+
if (xfs_is_reflink_inode(ip)) {
ASSERT(ip->i_cowfp == NULL);
xfs_ifork_init_cow(ip);
@@ -320,7 +332,6 @@ xfs_iformat_local(
int whichfork,
int size)
{
-
/*
* If the size is unreasonable, then something
* is wrong and we just bail out rather than crash in
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index b177ef33cd4c..82a38d86ebad 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -1629,13 +1629,28 @@ xfs_refcount_recover_cow_leftovers(
if (mp->m_sb.sb_agblocks >= XFS_REFC_COW_START)
return -EOPNOTSUPP;
- error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp);
+ INIT_LIST_HEAD(&debris);
+
+ /*
+ * In this first part, we use an empty transaction to gather up
+ * all the leftover CoW extents so that we can subsequently
+ * delete them. The empty transaction is used to avoid
+ * a buffer lock deadlock if there happens to be a loop in the
+ * refcountbt because we're allowed to re-grab a buffer that is
+ * already attached to our transaction. When we're done
+ * recording the CoW debris we cancel the (empty) transaction
+ * and everything goes away cleanly.
+ */
+ error = xfs_trans_alloc_empty(mp, &tp);
if (error)
return error;
- cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL);
+
+ error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
+ if (error)
+ goto out_trans;
+ cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL);
/* Find all the leftover CoW staging extents. */
- INIT_LIST_HEAD(&debris);
memset(&low, 0, sizeof(low));
memset(&high, 0, sizeof(high));
low.rc.rc_startblock = XFS_REFC_COW_START;
@@ -1645,10 +1660,11 @@ xfs_refcount_recover_cow_leftovers(
if (error)
goto out_cursor;
xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
- xfs_buf_relse(agbp);
+ xfs_trans_brelse(tp, agbp);
+ xfs_trans_cancel(tp);
/* Now iterate the list to free the leftovers */
- list_for_each_entry(rr, &debris, rr_list) {
+ list_for_each_entry_safe(rr, n, &debris, rr_list) {
/* Set up transaction. */
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);
if (error)
@@ -1676,8 +1692,16 @@ xfs_refcount_recover_cow_leftovers(
error = xfs_trans_commit(tp);
if (error)
goto out_free;
+
+ list_del(&rr->rr_list);
+ kmem_free(rr);
}
+ return error;
+out_defer:
+ xfs_defer_cancel(&dfops);
+out_trans:
+ xfs_trans_cancel(tp);
out_free:
/* Free the leftover list */
list_for_each_entry_safe(rr, n, &debris, rr_list) {
@@ -1688,11 +1712,6 @@ xfs_refcount_recover_cow_leftovers(
out_cursor:
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
- xfs_buf_relse(agbp);
- goto out_free;
-
-out_defer:
- xfs_defer_cancel(&dfops);
- xfs_trans_cancel(tp);
- goto out_free;
+ xfs_trans_brelse(tp, agbp);
+ goto out_trans;
}
diff --git a/fs/xfs/libxfs/xfs_trans_space.h b/fs/xfs/libxfs/xfs_trans_space.h
index 7917f6e44286..d787c677d2a3 100644
--- a/fs/xfs/libxfs/xfs_trans_space.h
+++ b/fs/xfs/libxfs/xfs_trans_space.h
@@ -21,8 +21,20 @@
/*
* Components of space reservations.
*/
+
+/* Worst case number of rmaps that can be held in a block. */
#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \
(((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0]))
+
+/* Adding one rmap could split every level up to the top of the tree. */
+#define XFS_RMAPADD_SPACE_RES(mp) ((mp)->m_rmap_maxlevels)
+
+/* Blocks we might need to add "b" rmaps to a tree. */
+#define XFS_NRMAPADD_SPACE_RES(mp, b)\
+ (((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \
+ XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \
+ XFS_RMAPADD_SPACE_RES(mp))
+
#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
(((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
@@ -30,13 +42,12 @@
(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
XFS_EXTENTADD_SPACE_RES(mp,w))
+
+/* Blocks we might need to add "b" mappings & rmappings to a file. */
#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\
- (((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
- XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
- XFS_EXTENTADD_SPACE_RES(mp,w) + \
- ((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \
- XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \
- (mp)->m_rmap_maxlevels)
+ (XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \
+ XFS_NRMAPADD_SPACE_RES((mp), (b)))
+
#define XFS_DAENTER_1B(mp,w) \
((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
#define XFS_DAENTER_DBS(mp,w) \
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 0457abe4118a..6df0a7ce3e8a 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -116,11 +116,11 @@ xfs_finish_page_writeback(
bsize = bh->b_size;
do {
+ if (off > end)
+ break;
next = bh->b_this_page;
if (off < bvec->bv_offset)
goto next_bh;
- if (off > end)
- break;
bh->b_end_io(bh, !error);
next_bh:
off += bsize;
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 9bf57c76623b..c4b90e794e41 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -34,6 +34,8 @@
#include "xfs_bmap.h"
#include "xfs_icache.h"
#include "xfs_trace.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_trans_space.h"
kmem_zone_t *xfs_bui_zone;
@@ -446,7 +448,8 @@ xfs_bui_recover(
return -EIO;
}
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp);
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate,
+ XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK), 0, 0, &tp);
if (error)
return error;
budp = xfs_trans_get_bud(tp, buip);
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 5328ecdd03d4..87b495e2f15a 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -588,9 +588,13 @@ xfs_getbmap(
}
break;
default:
+ /* Local format data forks report no extents. */
+ if (ip->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
+ bmv->bmv_entries = 0;
+ return 0;
+ }
if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS &&
- ip->i_d.di_format != XFS_DINODE_FMT_BTREE &&
- ip->i_d.di_format != XFS_DINODE_FMT_LOCAL)
+ ip->i_d.di_format != XFS_DINODE_FMT_BTREE)
return -EINVAL;
if (xfs_get_extsz_hint(ip) ||
@@ -718,7 +722,7 @@ xfs_getbmap(
* extents.
*/
if (map[i].br_startblock == DELAYSTARTBLOCK &&
- map[i].br_startoff <= XFS_B_TO_FSB(mp, XFS_ISIZE(ip)))
+ map[i].br_startoff < XFS_B_TO_FSB(mp, XFS_ISIZE(ip)))
ASSERT((iflags & BMV_IF_DELALLOC) != 0);
if (map[i].br_startblock == HOLESTARTBLOCK &&
@@ -911,9 +915,9 @@ xfs_can_free_eofblocks(struct xfs_inode *ip, bool force)
}
/*
- * This is called by xfs_inactive to free any blocks beyond eof
- * when the link count isn't zero and by xfs_dm_punch_hole() when
- * punching a hole to EOF.
+ * This is called to free any blocks beyond eof. The caller must hold
+ * IOLOCK_EXCL unless we are in the inode reclaim path and have the only
+ * reference to the inode.
*/
int
xfs_free_eofblocks(
@@ -928,8 +932,6 @@ xfs_free_eofblocks(
struct xfs_bmbt_irec imap;
struct xfs_mount *mp = ip->i_mount;
- ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
-
/*
* Figure out if there are any blocks beyond the end
* of the file. If not, then there is nothing to do.
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index d7a67d7fbc7f..16269271ebd6 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -96,12 +96,16 @@ static inline void
xfs_buf_ioacct_inc(
struct xfs_buf *bp)
{
- if (bp->b_flags & (XBF_NO_IOACCT|_XBF_IN_FLIGHT))
+ if (bp->b_flags & XBF_NO_IOACCT)
return;
ASSERT(bp->b_flags & XBF_ASYNC);
- bp->b_flags |= _XBF_IN_FLIGHT;
- percpu_counter_inc(&bp->b_target->bt_io_count);
+ spin_lock(&bp->b_lock);
+ if (!(bp->b_state & XFS_BSTATE_IN_FLIGHT)) {
+ bp->b_state |= XFS_BSTATE_IN_FLIGHT;
+ percpu_counter_inc(&bp->b_target->bt_io_count);
+ }
+ spin_unlock(&bp->b_lock);
}
/*
@@ -109,14 +113,24 @@ xfs_buf_ioacct_inc(
* freed and unaccount from the buftarg.
*/
static inline void
-xfs_buf_ioacct_dec(
+__xfs_buf_ioacct_dec(
struct xfs_buf *bp)
{
- if (!(bp->b_flags & _XBF_IN_FLIGHT))
- return;
+ ASSERT(spin_is_locked(&bp->b_lock));
- bp->b_flags &= ~_XBF_IN_FLIGHT;
- percpu_counter_dec(&bp->b_target->bt_io_count);
+ if (bp->b_state & XFS_BSTATE_IN_FLIGHT) {
+ bp->b_state &= ~XFS_BSTATE_IN_FLIGHT;
+ percpu_counter_dec(&bp->b_target->bt_io_count);
+ }
+}
+
+static inline void
+xfs_buf_ioacct_dec(
+ struct xfs_buf *bp)
+{
+ spin_lock(&bp->b_lock);
+ __xfs_buf_ioacct_dec(bp);
+ spin_unlock(&bp->b_lock);
}
/*
@@ -148,9 +162,9 @@ xfs_buf_stale(
* unaccounted (released to LRU) before that occurs. Drop in-flight
* status now to preserve accounting consistency.
*/
- xfs_buf_ioacct_dec(bp);
-
spin_lock(&bp->b_lock);
+ __xfs_buf_ioacct_dec(bp);
+
atomic_set(&bp->b_lru_ref, 0);
if (!(bp->b_state & XFS_BSTATE_DISPOSE) &&
(list_lru_del(&bp->b_target->bt_lru, &bp->b_lru)))
@@ -953,12 +967,12 @@ xfs_buf_rele(
* ensures the decrement occurs only once per-buf.
*/
if ((atomic_read(&bp->b_hold) == 1) && !list_empty(&bp->b_lru))
- xfs_buf_ioacct_dec(bp);
+ __xfs_buf_ioacct_dec(bp);
goto out_unlock;
}
/* the last reference has been dropped ... */
- xfs_buf_ioacct_dec(bp);
+ __xfs_buf_ioacct_dec(bp);
if (!(bp->b_flags & XBF_STALE) && atomic_read(&bp->b_lru_ref)) {
/*
* If the buffer is added to the LRU take a new reference to the
@@ -1052,6 +1066,8 @@ void
xfs_buf_unlock(
struct xfs_buf *bp)
{
+ ASSERT(xfs_buf_islocked(bp));
+
XB_CLEAR_OWNER(bp);
up(&bp->b_sema);
@@ -1790,6 +1806,28 @@ xfs_alloc_buftarg(
}
/*
+ * Cancel a delayed write list.
+ *
+ * Remove each buffer from the list, clear the delwri queue flag and drop the
+ * associated buffer reference.
+ */
+void
+xfs_buf_delwri_cancel(
+ struct list_head *list)
+{
+ struct xfs_buf *bp;
+
+ while (!list_empty(list)) {
+ bp = list_first_entry(list, struct xfs_buf, b_list);
+
+ xfs_buf_lock(bp);
+ bp->b_flags &= ~_XBF_DELWRI_Q;
+ list_del_init(&bp->b_list);
+ xfs_buf_relse(bp);
+ }
+}
+
+/*
* Add a buffer to the delayed write list.
*
* This queues a buffer for writeout if it hasn't already been. Note that
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 1c2e52b2d926..ad514a8025dd 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -63,7 +63,6 @@ typedef enum {
#define _XBF_KMEM (1 << 21)/* backed by heap memory */
#define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */
#define _XBF_COMPOUND (1 << 23)/* compound buffer */
-#define _XBF_IN_FLIGHT (1 << 25) /* I/O in flight, for accounting purposes */
typedef unsigned int xfs_buf_flags_t;
@@ -83,14 +82,14 @@ typedef unsigned int xfs_buf_flags_t;
{ _XBF_PAGES, "PAGES" }, \
{ _XBF_KMEM, "KMEM" }, \
{ _XBF_DELWRI_Q, "DELWRI_Q" }, \
- { _XBF_COMPOUND, "COMPOUND" }, \
- { _XBF_IN_FLIGHT, "IN_FLIGHT" }
+ { _XBF_COMPOUND, "COMPOUND" }
/*
* Internal state flags.
*/
#define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */
+#define XFS_BSTATE_IN_FLIGHT (1 << 1) /* I/O in flight */
/*
* The xfs_buftarg contains 2 notions of "sector size" -
@@ -330,6 +329,7 @@ extern void *xfs_buf_offset(struct xfs_buf *, size_t);
extern void xfs_buf_stale(struct xfs_buf *bp);
/* Delayed Write Buffer Routines */
+extern void xfs_buf_delwri_cancel(struct list_head *);
extern bool xfs_buf_delwri_queue(struct xfs_buf *, struct list_head *);
extern int xfs_buf_delwri_submit(struct list_head *);
extern int xfs_buf_delwri_submit_nowait(struct list_head *);
diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
index 29816981b50a..eba63160be6c 100644
--- a/fs/xfs/xfs_dir2_readdir.c
+++ b/fs/xfs/xfs_dir2_readdir.c
@@ -71,22 +71,11 @@ xfs_dir2_sf_getdents(
struct xfs_da_geometry *geo = args->geo;
ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
- /*
- * Give up if the directory is way too short.
- */
- if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) {
- ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
- return -EIO;
- }
-
ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
ASSERT(dp->i_df.if_u1.if_data != NULL);
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- if (dp->i_d.di_size < xfs_dir2_sf_hdr_size(sfp->i8count))
- return -EFSCORRUPTED;
-
/*
* If the block number in the offset is out of range, we're done.
*/
@@ -405,6 +394,7 @@ xfs_dir2_leaf_readbuf(
/*
* Do we need more readahead?
+ * Each loop tries to process 1 full dir blk; last may be partial.
*/
blk_start_plug(&plug);
for (mip->ra_index = mip->ra_offset = i = 0;
@@ -415,7 +405,8 @@ xfs_dir2_leaf_readbuf(
* Read-ahead a contiguous directory block.
*/
if (i > mip->ra_current &&
- map[mip->ra_index].br_blockcount >= geo->fsbcount) {
+ (map[mip->ra_index].br_blockcount - mip->ra_offset) >=
+ geo->fsbcount) {
xfs_dir3_data_readahead(dp,
map[mip->ra_index].br_startoff + mip->ra_offset,
XFS_FSB_TO_DADDR(dp->i_mount,
@@ -436,14 +427,19 @@ xfs_dir2_leaf_readbuf(
}
/*
- * Advance offset through the mapping table.
+ * Advance offset through the mapping table, processing a full
+ * dir block even if it is fragmented into several extents.
+ * But stop if we have consumed all valid mappings, even if
+ * it's not yet a full directory block.
*/
- for (j = 0; j < geo->fsbcount; j += length ) {
+ for (j = 0;
+ j < geo->fsbcount && mip->ra_index < mip->map_valid;
+ j += length ) {
/*
* The rest of this extent but not more than a dir
* block.
*/
- length = min_t(int, geo->fsbcount,
+ length = min_t(int, geo->fsbcount - j,
map[mip->ra_index].br_blockcount -
mip->ra_offset);
mip->ra_offset += length;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 1209ad29e902..a90ec3fad69f 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1130,13 +1130,13 @@ xfs_find_get_desired_pgoff(
index = startoff >> PAGE_SHIFT;
endoff = XFS_FSB_TO_B(mp, map->br_startoff + map->br_blockcount);
- end = endoff >> PAGE_SHIFT;
+ end = (endoff - 1) >> PAGE_SHIFT;
do {
int want;
unsigned nr_pages;
unsigned int i;
- want = min_t(pgoff_t, end - index, PAGEVEC_SIZE);
+ want = min_t(pgoff_t, end - index, PAGEVEC_SIZE - 1) + 1;
nr_pages = pagevec_lookup(&pvec, inode->i_mapping, index,
want);
/*
@@ -1163,17 +1163,6 @@ xfs_find_get_desired_pgoff(
break;
}
- /*
- * At lease we found one page. If this is the first time we
- * step into the loop, and if the first page index offset is
- * greater than the given search offset, a hole was found.
- */
- if (type == HOLE_OFF && lastoff == startoff &&
- lastoff < page_offset(pvec.pages[0])) {
- found = true;
- break;
- }
-
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];
loff_t b_offset;
@@ -1185,18 +1174,18 @@ xfs_find_get_desired_pgoff(
* file mapping. However, page->index will not change
* because we have a reference on the page.
*
- * Searching done if the page index is out of range.
- * If the current offset is not reaches the end of
- * the specified search range, there should be a hole
- * between them.
+ * If current page offset is beyond where we've ended,
+ * we've found a hole.
*/
- if (page->index > end) {
- if (type == HOLE_OFF && lastoff < endoff) {
- *offset = lastoff;
- found = true;
- }
+ if (type == HOLE_OFF && lastoff < endoff &&
+ lastoff < page_offset(pvec.pages[i])) {
+ found = true;
+ *offset = lastoff;
goto out;
}
+ /* Searching done if the page index is out of range. */
+ if (page->index > end)
+ goto out;
lock_page(page);
/*
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 3fb1f3fb8efe..74304b6ce84b 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -264,6 +264,22 @@ xfs_inode_clear_reclaim_tag(
xfs_perag_clear_reclaim_tag(pag);
}
+static void
+xfs_inew_wait(
+ struct xfs_inode *ip)
+{
+ wait_queue_head_t *wq = bit_waitqueue(&ip->i_flags, __XFS_INEW_BIT);
+ DEFINE_WAIT_BIT(wait, &ip->i_flags, __XFS_INEW_BIT);
+
+ do {
+ prepare_to_wait(wq, &wait.wait, TASK_UNINTERRUPTIBLE);
+ if (!xfs_iflags_test(ip, XFS_INEW))
+ break;
+ schedule();
+ } while (true);
+ finish_wait(wq, &wait.wait);
+}
+
/*
* When we recycle a reclaimable inode, we need to re-initialise the VFS inode
* part of the structure. This is made more complex by the fact we store
@@ -368,14 +384,17 @@ xfs_iget_cache_hit(
error = xfs_reinit_inode(mp, inode);
if (error) {
+ bool wake;
/*
* Re-initializing the inode failed, and we are in deep
* trouble. Try to re-add it to the reclaim list.
*/
rcu_read_lock();
spin_lock(&ip->i_flags_lock);
-
+ wake = !!__xfs_iflags_test(ip, XFS_INEW);
ip->i_flags &= ~(XFS_INEW | XFS_IRECLAIM);
+ if (wake)
+ wake_up_bit(&ip->i_flags, __XFS_INEW_BIT);
ASSERT(ip->i_flags & XFS_IRECLAIMABLE);
trace_xfs_iget_reclaim_fail(ip);
goto out_error;
@@ -625,9 +644,11 @@ xfs_iget(
STATIC int
xfs_inode_ag_walk_grab(
- struct xfs_inode *ip)
+ struct xfs_inode *ip,
+ int flags)
{
struct inode *inode = VFS_I(ip);
+ bool newinos = !!(flags & XFS_AGITER_INEW_WAIT);
ASSERT(rcu_read_lock_held());
@@ -645,7 +666,8 @@ xfs_inode_ag_walk_grab(
goto out_unlock_noent;
/* avoid new or reclaimable inodes. Leave for reclaim code to flush */
- if (__xfs_iflags_test(ip, XFS_INEW | XFS_IRECLAIMABLE | XFS_IRECLAIM))
+ if ((!newinos && __xfs_iflags_test(ip, XFS_INEW)) ||
+ __xfs_iflags_test(ip, XFS_IRECLAIMABLE | XFS_IRECLAIM))
goto out_unlock_noent;
spin_unlock(&ip->i_flags_lock);
@@ -673,7 +695,8 @@ xfs_inode_ag_walk(
void *args),
int flags,
void *args,
- int tag)
+ int tag,
+ int iter_flags)
{
uint32_t first_index;
int last_error = 0;
@@ -715,7 +738,7 @@ xfs_inode_ag_walk(
for (i = 0; i < nr_found; i++) {
struct xfs_inode *ip = batch[i];
- if (done || xfs_inode_ag_walk_grab(ip))
+ if (done || xfs_inode_ag_walk_grab(ip, iter_flags))
batch[i] = NULL;
/*
@@ -743,6 +766,9 @@ xfs_inode_ag_walk(
for (i = 0; i < nr_found; i++) {
if (!batch[i])
continue;
+ if ((iter_flags & XFS_AGITER_INEW_WAIT) &&
+ xfs_iflags_test(batch[i], XFS_INEW))
+ xfs_inew_wait(batch[i]);
error = execute(batch[i], flags, args);
IRELE(batch[i]);
if (error == -EAGAIN) {
@@ -822,12 +848,13 @@ xfs_cowblocks_worker(
}
int
-xfs_inode_ag_iterator(
+xfs_inode_ag_iterator_flags(
struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, int flags,
void *args),
int flags,
- void *args)
+ void *args,
+ int iter_flags)
{
struct xfs_perag *pag;
int error = 0;
@@ -837,7 +864,8 @@ xfs_inode_ag_iterator(
ag = 0;
while ((pag = xfs_perag_get(mp, ag))) {
ag = pag->pag_agno + 1;
- error = xfs_inode_ag_walk(mp, pag, execute, flags, args, -1);
+ error = xfs_inode_ag_walk(mp, pag, execute, flags, args, -1,
+ iter_flags);
xfs_perag_put(pag);
if (error) {
last_error = error;
@@ -849,6 +877,17 @@ xfs_inode_ag_iterator(
}
int
+xfs_inode_ag_iterator(
+ struct xfs_mount *mp,
+ int (*execute)(struct xfs_inode *ip, int flags,
+ void *args),
+ int flags,
+ void *args)
+{
+ return xfs_inode_ag_iterator_flags(mp, execute, flags, args, 0);
+}
+
+int
xfs_inode_ag_iterator_tag(
struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, int flags,
@@ -865,7 +904,8 @@ xfs_inode_ag_iterator_tag(
ag = 0;
while ((pag = xfs_perag_get_tag(mp, ag, tag))) {
ag = pag->pag_agno + 1;
- error = xfs_inode_ag_walk(mp, pag, execute, flags, args, tag);
+ error = xfs_inode_ag_walk(mp, pag, execute, flags, args, tag,
+ 0);
xfs_perag_put(pag);
if (error) {
last_error = error;
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index 8a7c849b4dea..9183f77958ef 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -48,6 +48,11 @@ struct xfs_eofblocks {
#define XFS_IGET_UNTRUSTED 0x2
#define XFS_IGET_DONTCACHE 0x4
+/*
+ * flags for AG inode iterator
+ */
+#define XFS_AGITER_INEW_WAIT 0x1 /* wait on new inodes */
+
int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
uint flags, uint lock_flags, xfs_inode_t **ipp);
@@ -79,6 +84,9 @@ void xfs_cowblocks_worker(struct work_struct *);
int xfs_inode_ag_iterator(struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, int flags, void *args),
int flags, void *args);
+int xfs_inode_ag_iterator_flags(struct xfs_mount *mp,
+ int (*execute)(struct xfs_inode *ip, int flags, void *args),
+ int flags, void *args, int iter_flags);
int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
int (*execute)(struct xfs_inode *ip, int flags, void *args),
int flags, void *args, int tag);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index e50636c9a89c..7a0b4eeb99e4 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -50,6 +50,7 @@
#include "xfs_log.h"
#include "xfs_bmap_btree.h"
#include "xfs_reflink.h"
+#include "xfs_dir2_priv.h"
kmem_zone_t *xfs_inode_zone;
@@ -1914,12 +1915,13 @@ xfs_inactive(
* force is true because we are evicting an inode from the
* cache. Post-eof blocks must be freed, lest we end up with
* broken free space accounting.
+ *
+ * Note: don't bother with iolock here since lockdep complains
+ * about acquiring it in reclaim context. We have the only
+ * reference to the inode at this point anyways.
*/
- if (xfs_can_free_eofblocks(ip, true)) {
- xfs_ilock(ip, XFS_IOLOCK_EXCL);
+ if (xfs_can_free_eofblocks(ip, true))
xfs_free_eofblocks(ip);
- xfs_iunlock(ip, XFS_IOLOCK_EXCL);
- }
return;
}
@@ -3562,6 +3564,12 @@ xfs_iflush_int(
if (ip->i_d.di_version < 3)
ip->i_d.di_flushiter++;
+ /* Check the inline directory data. */
+ if (S_ISDIR(VFS_I(ip)->i_mode) &&
+ ip->i_d.di_format == XFS_DINODE_FMT_LOCAL &&
+ xfs_dir2_sf_verify(ip))
+ goto corrupt_out;
+
/*
* Copy the dirty parts of the inode into the on-disk inode. We always
* copy out the core of the inode, because if the inode is dirty at all
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 71e8a81c91a3..c038f6eecc28 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -217,7 +217,8 @@ static inline bool xfs_is_reflink_inode(struct xfs_inode *ip)
#define XFS_IRECLAIM (1 << 0) /* started reclaiming this inode */
#define XFS_ISTALE (1 << 1) /* inode has been staled */
#define XFS_IRECLAIMABLE (1 << 2) /* inode can be reclaimed */
-#define XFS_INEW (1 << 3) /* inode has just been allocated */
+#define __XFS_INEW_BIT 3 /* inode has just been allocated */
+#define XFS_INEW (1 << __XFS_INEW_BIT)
#define XFS_ITRUNCATED (1 << 5) /* truncated down so flush-on-close */
#define XFS_IDIRTY_RELEASE (1 << 6) /* dirty release already seen */
#define __XFS_IFLOCK_BIT 7 /* inode is being flushed right now */
@@ -467,6 +468,7 @@ static inline void xfs_finish_inode_setup(struct xfs_inode *ip)
xfs_iflags_clear(ip, XFS_INEW);
barrier();
unlock_new_inode(VFS_I(ip));
+ wake_up_bit(&ip->i_flags, __XFS_INEW_BIT);
}
static inline void xfs_setup_existing_inode(struct xfs_inode *ip)
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index a39197501a7c..73cfc7179124 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1542,10 +1542,11 @@ xfs_ioc_getbmap(
unsigned int cmd,
void __user *arg)
{
- struct getbmapx bmx;
+ struct getbmapx bmx = { 0 };
int error;
- if (copy_from_user(&bmx, arg, sizeof(struct getbmapx)))
+ /* struct getbmap is a strict subset of struct getbmapx. */
+ if (copy_from_user(&bmx, arg, offsetof(struct getbmapx, bmv_iflags)))
return -EFAULT;
if (bmx.bmv_count < 2)
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 360562484e7b..65740d1cbd92 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -1151,10 +1151,10 @@ xfs_xattr_iomap_begin(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- lockmode = xfs_ilock_data_map_shared(ip);
+ lockmode = xfs_ilock_attr_map_shared(ip);
/* if there are no attribute fork or extents, return ENOENT */
- if (XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) {
+ if (!XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) {
error = -ENOENT;
goto out_unlock;
}
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 66e881790c17..d8a77dbf4e3a 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -585,7 +585,7 @@ xfs_inumbers(
return error;
bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer)));
- buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP);
+ buffer = kmem_zalloc(bcount * sizeof(*buffer), KM_SLEEP);
do {
struct xfs_inobt_rec_incore r;
int stat;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4017aa967331..b57ab34fbf3c 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1293,7 +1293,7 @@ void
xfs_log_work_queue(
struct xfs_mount *mp)
{
- queue_delayed_work(mp->m_log_workqueue, &mp->m_log->l_work,
+ queue_delayed_work(mp->m_sync_workqueue, &mp->m_log->l_work,
msecs_to_jiffies(xfs_syncd_centisecs * 10));
}
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 1bf878b0492c..5415f9031ef8 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -183,6 +183,7 @@ typedef struct xfs_mount {
struct workqueue_struct *m_reclaim_workqueue;
struct workqueue_struct *m_log_workqueue;
struct workqueue_struct *m_eofblocks_workqueue;
+ struct workqueue_struct *m_sync_workqueue;
/*
* Generation of the filesysyem layout. This is incremented by each
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index b669b123287b..8b9a9f15f022 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1384,12 +1384,7 @@ xfs_qm_quotacheck(
mp->m_qflags |= flags;
error_return:
- while (!list_empty(&buffer_list)) {
- struct xfs_buf *bp =
- list_first_entry(&buffer_list, struct xfs_buf, b_list);
- list_del_init(&bp->b_list);
- xfs_buf_relse(bp);
- }
+ xfs_buf_delwri_cancel(&buffer_list);
if (error) {
xfs_warn(mp,
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 475a3882a81f..9cb5c381b01c 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -759,5 +759,6 @@ xfs_qm_dqrele_all_inodes(
uint flags)
{
ASSERT(mp->m_quotainfo);
- xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL);
+ xfs_inode_ag_iterator_flags(mp, xfs_dqrele_inode, flags, NULL,
+ XFS_AGITER_INEW_WAIT);
}
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 2252f163c38f..29a75ecb2425 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -736,8 +736,22 @@ xfs_reflink_end_cow(
offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);
end_fsb = XFS_B_TO_FSB(ip->i_mount, offset + count);
- /* Start a rolling transaction to switch the mappings */
- resblks = XFS_EXTENTADD_SPACE_RES(ip->i_mount, XFS_DATA_FORK);
+ /*
+ * Start a rolling transaction to switch the mappings. We're
+ * unlikely ever to have to remap 16T worth of single-block
+ * extents, so just cap the worst case extent count to 2^32-1.
+ * Stick a warning in just in case, and avoid 64-bit division.
+ */
+ BUILD_BUG_ON(MAX_RW_COUNT > UINT_MAX);
+ if (end_fsb - offset_fsb > UINT_MAX) {
+ error = -EFSCORRUPTED;
+ xfs_force_shutdown(ip->i_mount, SHUTDOWN_CORRUPT_INCORE);
+ ASSERT(0);
+ goto out;
+ }
+ resblks = XFS_NEXTENTADD_SPACE_RES(ip->i_mount,
+ (unsigned int)(end_fsb - offset_fsb),
+ XFS_DATA_FORK);
error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,
resblks, 0, 0, &tp);
if (error)
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index dbbd3f1fd2b7..882fb8524fcb 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -872,8 +872,15 @@ xfs_init_mount_workqueues(
if (!mp->m_eofblocks_workqueue)
goto out_destroy_log;
+ mp->m_sync_workqueue = alloc_workqueue("xfs-sync/%s", WQ_FREEZABLE, 0,
+ mp->m_fsname);
+ if (!mp->m_sync_workqueue)
+ goto out_destroy_eofb;
+
return 0;
+out_destroy_eofb:
+ destroy_workqueue(mp->m_eofblocks_workqueue);
out_destroy_log:
destroy_workqueue(mp->m_log_workqueue);
out_destroy_reclaim:
@@ -894,6 +901,7 @@ STATIC void
xfs_destroy_mount_workqueues(
struct xfs_mount *mp)
{
+ destroy_workqueue(mp->m_sync_workqueue);
destroy_workqueue(mp->m_eofblocks_workqueue);
destroy_workqueue(mp->m_log_workqueue);
destroy_workqueue(mp->m_reclaim_workqueue);
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 70f42ea86dfb..a280e126491f 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -263,6 +263,28 @@ xfs_trans_alloc(
}
/*
+ * Create an empty transaction with no reservation. This is a defensive
+ * mechanism for routines that query metadata without actually modifying
+ * them -- if the metadata being queried is somehow cross-linked (think a
+ * btree block pointer that points higher in the tree), we risk deadlock.
+ * However, blocks grabbed as part of a transaction can be re-grabbed.
+ * The verifiers will notice the corrupt block and the operation will fail
+ * back to userspace without deadlocking.
+ *
+ * Note the zero-length reservation; this transaction MUST be cancelled
+ * without any dirty data.
+ */
+int
+xfs_trans_alloc_empty(
+ struct xfs_mount *mp,
+ struct xfs_trans **tpp)
+{
+ struct xfs_trans_res resv = {0};
+
+ return xfs_trans_alloc(mp, &resv, 0, 0, XFS_TRANS_NO_WRITECOUNT, tpp);
+}
+
+/*
* Record the indicated change to the given field for application
* to the file system's superblock when the transaction commits.
* For now, just store the change in the transaction structure.
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 61b7fbdd3ebd..98024cb933ef 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -159,6 +159,8 @@ typedef struct xfs_trans {
int xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
uint blocks, uint rtextents, uint flags,
struct xfs_trans **tpp);
+int xfs_trans_alloc_empty(struct xfs_mount *mp,
+ struct xfs_trans **tpp);
void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
struct xfs_buf *xfs_trans_get_buf_map(struct xfs_trans *tp,
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 3319d97d789d..8feecd5345e7 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -630,14 +630,16 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb)
static inline netdev_features_t vlan_features_check(const struct sk_buff *skb,
netdev_features_t features)
{
- if (skb_vlan_tagged_multi(skb))
- features = netdev_intersect_features(features,
- NETIF_F_SG |
- NETIF_F_HIGHDMA |
- NETIF_F_FRAGLIST |
- NETIF_F_HW_CSUM |
- NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_STAG_TX);
+ if (skb_vlan_tagged_multi(skb)) {
+ /* In the case of multi-tagged packets, use a direct mask
+ * instead of using netdev_interesect_features(), to make
+ * sure that only devices supporting NETIF_F_HW_CSUM will
+ * have checksum offloading support.
+ */
+ features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM |
+ NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX;
+ }
return features;
}
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 5b759c9acf97..e8fba68e5d03 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -421,12 +421,20 @@ static inline void early_memtest(phys_addr_t start, phys_addr_t end)
}
#endif
+extern unsigned long memblock_reserved_memory_within(phys_addr_t start_addr,
+ phys_addr_t end_addr);
#else
static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
{
return 0;
}
+static inline unsigned long memblock_reserved_memory_within(phys_addr_t start_addr,
+ phys_addr_t end_addr)
+{
+ return 0;
+}
+
#endif /* CONFIG_HAVE_MEMBLOCK */
#endif /* __KERNEL__ */
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index ecc451d89ccd..e1a903a5bb3e 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -640,7 +640,12 @@ enum {
typedef void (*mlx5_cmd_cbk_t)(int status, void *context);
+enum {
+ MLX5_CMD_ENT_STATE_PENDING_COMP,
+};
+
struct mlx5_cmd_work_ent {
+ unsigned long state;
struct mlx5_cmd_msg *in;
struct mlx5_cmd_msg *out;
void *uout;
@@ -838,7 +843,7 @@ void mlx5_eq_pagefault(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe);
#endif
void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
-void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec);
+void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced);
void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type);
int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
int nent, u64 mask, const char *name, struct mlx5_uar *uar);
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 7e273e243a13..6744eb40c4ea 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -672,6 +672,7 @@ typedef struct pglist_data {
* is the first PFN that needs to be initialised.
*/
unsigned long first_deferred_pfn;
+ unsigned long static_init_size;
#endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
diff --git a/include/net/dst.h b/include/net/dst.h
index 6835d224d47b..ddcff17615da 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -107,10 +107,16 @@ struct dst_entry {
};
};
+struct dst_metrics {
+ u32 metrics[RTAX_MAX];
+ atomic_t refcnt;
+};
+extern const struct dst_metrics dst_default_metrics;
+
u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
-extern const u32 dst_default_metrics[];
#define DST_METRICS_READ_ONLY 0x1UL
+#define DST_METRICS_REFCOUNTED 0x2UL
#define DST_METRICS_FLAGS 0x3UL
#define __DST_METRICS_PTR(Y) \
((u32 *)((Y) & ~DST_METRICS_FLAGS))
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index f390c3bb05c5..aa758280d8a8 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -114,11 +114,11 @@ struct fib_info {
__be32 fib_prefsrc;
u32 fib_tb_id;
u32 fib_priority;
- u32 *fib_metrics;
-#define fib_mtu fib_metrics[RTAX_MTU-1]
-#define fib_window fib_metrics[RTAX_WINDOW-1]
-#define fib_rtt fib_metrics[RTAX_RTT-1]
-#define fib_advmss fib_metrics[RTAX_ADVMSS-1]
+ struct dst_metrics *fib_metrics;
+#define fib_mtu fib_metrics->metrics[RTAX_MTU-1]
+#define fib_window fib_metrics->metrics[RTAX_WINDOW-1]
+#define fib_rtt fib_metrics->metrics[RTAX_RTT-1]
+#define fib_advmss fib_metrics->metrics[RTAX_ADVMSS-1]
int fib_nhs;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
int fib_weight;
diff --git a/mm/ksm.c b/mm/ksm.c
index 9ae6011a41f8..caa54a55a357 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1002,8 +1002,7 @@ static int try_to_merge_one_page(struct vm_area_struct *vma,
goto out;
if (PageTransCompound(page)) {
- err = split_huge_page(page);
- if (err)
+ if (split_huge_page(page))
goto out_unlock;
}
diff --git a/mm/memblock.c b/mm/memblock.c
index 7608bc305936..68849d0ead09 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1696,6 +1696,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type, char *name
}
}
+extern unsigned long __init_memblock
+memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr)
+{
+ struct memblock_region *rgn;
+ unsigned long size = 0;
+ int idx;
+
+ for_each_memblock_type((&memblock.reserved), rgn) {
+ phys_addr_t start, end;
+
+ if (rgn->base + rgn->size < start_addr)
+ continue;
+ if (rgn->base > end_addr)
+ continue;
+
+ start = rgn->base;
+ end = start + rgn->size;
+ size += end - start;
+ }
+
+ return size;
+}
+
void __init_memblock __memblock_dump_all(void)
{
pr_info("MEMBLOCK configuration:\n");
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 19e796d36a62..4bd44803e366 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1587,12 +1587,8 @@ static int soft_offline_huge_page(struct page *page, int flags)
if (ret) {
pr_info("soft offline: %#lx: migration failed %d, type %lx\n",
pfn, ret, page->flags);
- /*
- * We know that soft_offline_huge_page() tries to migrate
- * only one hugepage pointed to by hpage, so we need not
- * run through the pagelist here.
- */
- putback_active_hugepage(hpage);
+ if (!list_empty(&pagelist))
+ putback_movable_pages(&pagelist);
if (ret > 0)
ret = -EIO;
} else {
diff --git a/mm/mlock.c b/mm/mlock.c
index 665ab75b5533..f0505692a5f4 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -285,7 +285,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
{
int i;
int nr = pagevec_count(pvec);
- int delta_munlocked;
+ int delta_munlocked = -nr;
struct pagevec pvec_putback;
int pgrescued = 0;
@@ -305,6 +305,8 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
continue;
else
__munlock_isolation_failed(page);
+ } else {
+ delta_munlocked++;
}
/*
@@ -316,7 +318,6 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
pagevec_add(&pvec_putback, pvec->pages[i]);
pvec->pages[i] = NULL;
}
- delta_munlocked = -nr + pagevec_count(&pvec_putback);
__mod_zone_page_state(zone, NR_MLOCK, delta_munlocked);
spin_unlock_irq(zone_lru_lock(zone));
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b06fb385dd7..56df8c24689d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -286,6 +286,26 @@ int page_group_by_mobility_disabled __read_mostly;
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
static inline void reset_deferred_meminit(pg_data_t *pgdat)
{
+ unsigned long max_initialise;
+ unsigned long reserved_lowmem;
+
+ /*
+ * Initialise at least 2G of a node but also take into account that
+ * two large system hashes that can take up 1GB for 0.25TB/node.
+ */
+ max_initialise = max(2UL << (30 - PAGE_SHIFT),
+ (pgdat->node_spanned_pages >> 8));
+
+ /*
+ * Compensate the all the memblock reservations (e.g. crash kernel)
+ * from the initial estimation to make sure we will initialize enough
+ * memory to boot.
+ */
+ reserved_lowmem = memblock_reserved_memory_within(pgdat->node_start_pfn,
+ pgdat->node_start_pfn + max_initialise);
+ max_initialise += reserved_lowmem;
+
+ pgdat->static_init_size = min(max_initialise, pgdat->node_spanned_pages);
pgdat->first_deferred_pfn = ULONG_MAX;
}
@@ -308,20 +328,11 @@ static inline bool update_defer_init(pg_data_t *pgdat,
unsigned long pfn, unsigned long zone_end,
unsigned long *nr_initialised)
{
- unsigned long max_initialise;
-
/* Always populate low zones for address-contrained allocations */
if (zone_end < pgdat_end_pfn(pgdat))
return true;
- /*
- * Initialise at least 2G of a node but also take into account that
- * two large system hashes that can take up 1GB for 0.25TB/node.
- */
- max_initialise = max(2UL << (30 - PAGE_SHIFT),
- (pgdat->node_spanned_pages >> 8));
-
(*nr_initialised)++;
- if ((*nr_initialised > max_initialise) &&
+ if ((*nr_initialised > pgdat->static_init_size) &&
(pfn & (PAGES_PER_SECTION - 1)) == 0) {
pgdat->first_deferred_pfn = pfn;
return false;
@@ -5911,7 +5922,6 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
/* pg_data_t should be reset to zero when it's allocated */
WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx);
- reset_deferred_meminit(pgdat);
pgdat->node_id = nid;
pgdat->node_start_pfn = node_start_pfn;
pgdat->per_cpu_nodestats = NULL;
@@ -5933,6 +5943,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size,
(unsigned long)pgdat->node_mem_map);
#endif
+ reset_deferred_meminit(pgdat);
free_area_init_core(pgdat);
}
diff --git a/mm/slub.c b/mm/slub.c
index 58c7526f8de2..edc79ca3c6d5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -496,10 +496,11 @@ static inline int check_valid_pointer(struct kmem_cache *s,
return 1;
}
-static void print_section(char *text, u8 *addr, unsigned int length)
+static void print_section(char *level, char *text, u8 *addr,
+ unsigned int length)
{
metadata_access_enable();
- print_hex_dump(KERN_ERR, text, DUMP_PREFIX_ADDRESS, 16, 1, addr,
+ print_hex_dump(level, text, DUMP_PREFIX_ADDRESS, 16, 1, addr,
length, 1);
metadata_access_disable();
}
@@ -636,14 +637,15 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
p, p - addr, get_freepointer(s, p));
if (s->flags & SLAB_RED_ZONE)
- print_section("Redzone ", p - s->red_left_pad, s->red_left_pad);
+ print_section(KERN_ERR, "Redzone ", p - s->red_left_pad,
+ s->red_left_pad);
else if (p > addr + 16)
- print_section("Bytes b4 ", p - 16, 16);
+ print_section(KERN_ERR, "Bytes b4 ", p - 16, 16);
- print_section("Object ", p, min_t(unsigned long, s->object_size,
- PAGE_SIZE));
+ print_section(KERN_ERR, "Object ", p,
+ min_t(unsigned long, s->object_size, PAGE_SIZE));
if (s->flags & SLAB_RED_ZONE)
- print_section("Redzone ", p + s->object_size,
+ print_section(KERN_ERR, "Redzone ", p + s->object_size,
s->inuse - s->object_size);
if (s->offset)
@@ -658,7 +660,8 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
if (off != size_from_object(s))
/* Beginning of the filler is the free pointer */
- print_section("Padding ", p + off, size_from_object(s) - off);
+ print_section(KERN_ERR, "Padding ", p + off,
+ size_from_object(s) - off);
dump_stack();
}
@@ -820,7 +823,7 @@ static int slab_pad_check(struct kmem_cache *s, struct page *page)
end--;
slab_err(s, page, "Padding overwritten. 0x%p-0x%p", fault, end - 1);
- print_section("Padding ", end - remainder, remainder);
+ print_section(KERN_ERR, "Padding ", end - remainder, remainder);
restore_bytes(s, "slab padding", POISON_INUSE, end - remainder, end);
return 0;
@@ -973,7 +976,7 @@ static void trace(struct kmem_cache *s, struct page *page, void *object,
page->freelist);
if (!alloc)
- print_section("Object ", (void *)object,
+ print_section(KERN_INFO, "Object ", (void *)object,
s->object_size);
dump_stack();
@@ -5452,6 +5455,7 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s)
char mbuf[64];
char *buf;
struct slab_attribute *attr = to_slab_attr(slab_attrs[i]);
+ ssize_t len;
if (!attr || !attr->store || !attr->show)
continue;
@@ -5476,8 +5480,9 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s)
buf = buffer;
}
- attr->show(root_cache, buf);
- attr->store(s, buf, strlen(buf));
+ len = attr->show(root_cache, buf);
+ if (len > 0)
+ attr->store(s, buf, len);
}
if (buffer)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 04741064a173..7625ec8458de 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -776,6 +776,13 @@ static int br_validate(struct nlattr *tb[], struct nlattr *data[])
return -EPROTONOSUPPORT;
}
}
+
+ if (data[IFLA_BR_VLAN_DEFAULT_PVID]) {
+ __u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]);
+
+ if (defpvid >= VLAN_VID_MASK)
+ return -EINVAL;
+ }
#endif
return 0;
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index d8ad73b38de2..5a782f543aff 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -185,6 +185,7 @@ static void br_stp_start(struct net_bridge *br)
br_debug(br, "using kernel STP\n");
/* To start timers on any ports left in blocking */
+ mod_timer(&br->hello_timer, jiffies + br->hello_time);
br_port_state_selection(br);
}
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index da058b85aa22..15826fd52af5 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -40,7 +40,7 @@ static void br_hello_timer_expired(unsigned long arg)
if (br->dev->flags & IFF_UP) {
br_config_bpdu_generation(br);
- if (br->stp_enabled != BR_USER_STP)
+ if (br->stp_enabled == BR_KERNEL_STP)
mod_timer(&br->hello_timer,
round_jiffies(jiffies + br->hello_time));
}
diff --git a/net/core/dst.c b/net/core/dst.c
index b5cbbe07f786..656b70d39690 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -151,13 +151,13 @@ int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
}
EXPORT_SYMBOL(dst_discard_out);
-const u32 dst_default_metrics[RTAX_MAX + 1] = {
+const struct dst_metrics dst_default_metrics = {
/* This initializer is needed to force linker to place this variable
* into const section. Otherwise it might end into bss section.
* We really want to avoid false sharing on this variable, and catch
* any writes on it.
*/
- [RTAX_MAX] = 0xdeadbeef,
+ .refcnt = ATOMIC_INIT(1),
};
void dst_init(struct dst_entry *dst, struct dst_ops *ops,
@@ -169,7 +169,7 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops,
if (dev)
dev_hold(dev);
dst->ops = ops;
- dst_init_metrics(dst, dst_default_metrics, true);
+ dst_init_metrics(dst, dst_default_metrics.metrics, true);
dst->expires = 0UL;
dst->path = dst;
dst->from = NULL;
@@ -315,25 +315,30 @@ EXPORT_SYMBOL(dst_release);
u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old)
{
- u32 *p = kmalloc(sizeof(u32) * RTAX_MAX, GFP_ATOMIC);
+ struct dst_metrics *p = kmalloc(sizeof(*p), GFP_ATOMIC);
if (p) {
- u32 *old_p = __DST_METRICS_PTR(old);
+ struct dst_metrics *old_p = (struct dst_metrics *)__DST_METRICS_PTR(old);
unsigned long prev, new;
- memcpy(p, old_p, sizeof(u32) * RTAX_MAX);
+ atomic_set(&p->refcnt, 1);
+ memcpy(p->metrics, old_p->metrics, sizeof(p->metrics));
new = (unsigned long) p;
prev = cmpxchg(&dst->_metrics, old, new);
if (prev != old) {
kfree(p);
- p = __DST_METRICS_PTR(prev);
+ p = (struct dst_metrics *)__DST_METRICS_PTR(prev);
if (prev & DST_METRICS_READ_ONLY)
p = NULL;
+ } else if (prev & DST_METRICS_REFCOUNTED) {
+ if (atomic_dec_and_test(&old_p->refcnt))
+ kfree(old_p);
}
}
- return p;
+ BUILD_BUG_ON(offsetof(struct dst_metrics, metrics) != 0);
+ return (u32 *)p;
}
EXPORT_SYMBOL(dst_cow_metrics_generic);
@@ -342,7 +347,7 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old)
{
unsigned long prev, new;
- new = ((unsigned long) dst_default_metrics) | DST_METRICS_READ_ONLY;
+ new = ((unsigned long) &dst_default_metrics) | DST_METRICS_READ_ONLY;
prev = cmpxchg(&dst->_metrics, old, new);
if (prev == old)
kfree(__DST_METRICS_PTR(old));
diff --git a/net/core/filter.c b/net/core/filter.c
index b391209838ef..4eb4ce0aeef4 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2198,6 +2198,7 @@ bool bpf_helper_changes_skb_data(void *func)
func == bpf_skb_change_proto ||
func == bpf_skb_change_tail ||
func == bpf_skb_pull_data ||
+ func == bpf_clone_redirect ||
func == bpf_l3_csum_replace ||
func == bpf_l4_csum_replace)
return true;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b490af67c6fa..1d9160794e55 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1617,13 +1617,13 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
cb->nlh->nlmsg_seq, 0,
flags,
ext_filter_mask);
- /* If we ran out of room on the first message,
- * we're in trouble
- */
- WARN_ON((err == -EMSGSIZE) && (skb->len == 0));
- if (err < 0)
- goto out;
+ if (err < 0) {
+ if (likely(skb->len))
+ goto out;
+
+ goto out_err;
+ }
nl_dump_check_consistent(cb, nlmsg_hdr(skb));
cont:
@@ -1631,10 +1631,12 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
}
}
out:
+ err = skb->len;
+out_err:
cb->args[1] = idx;
cb->args[0] = h;
- return skb->len;
+ return err;
}
int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len)
@@ -3413,8 +3415,12 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
err = br_dev->netdev_ops->ndo_bridge_getlink(
skb, portid, seq, dev,
filter_mask, NLM_F_MULTI);
- if (err < 0 && err != -EOPNOTSUPP)
- break;
+ if (err < 0 && err != -EOPNOTSUPP) {
+ if (likely(skb->len))
+ break;
+
+ goto out_err;
+ }
}
idx++;
}
@@ -3425,16 +3431,22 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
seq, dev,
filter_mask,
NLM_F_MULTI);
- if (err < 0 && err != -EOPNOTSUPP)
- break;
+ if (err < 0 && err != -EOPNOTSUPP) {
+ if (likely(skb->len))
+ break;
+
+ goto out_err;
+ }
}
idx++;
}
}
+ err = skb->len;
+out_err:
rcu_read_unlock();
cb->args[0] = idx;
- return skb->len;
+ return err;
}
static inline size_t bridge_nlmsg_size(void)
diff --git a/net/core/sock.c b/net/core/sock.c
index 470a2043b846..1989b3dd6d17 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -138,10 +138,7 @@
#include <trace/events/sock.h>
-#ifdef CONFIG_INET
#include <net/tcp.h>
-#endif
-
#include <net/busy_poll.h>
static DEFINE_MUTEX(proto_list_mutex);
@@ -1687,28 +1684,24 @@ EXPORT_SYMBOL(skb_set_owner_w);
* delay queue. We want to allow the owner socket to send more
* packets, as if they were already TX completed by a typical driver.
* But we also want to keep skb->sk set because some packet schedulers
- * rely on it (sch_fq for example). So we set skb->truesize to a small
- * amount (1) and decrease sk_wmem_alloc accordingly.
+ * rely on it (sch_fq for example).
*/
void skb_orphan_partial(struct sk_buff *skb)
{
- /* If this skb is a TCP pure ACK or already went here,
- * we have nothing to do. 2 is already a very small truesize.
- */
- if (skb->truesize <= 2)
+ if (skb_is_tcp_pure_ack(skb))
return;
- /* TCP stack sets skb->ooo_okay based on sk_wmem_alloc,
- * so we do not completely orphan skb, but transfert all
- * accounted bytes but one, to avoid unexpected reorders.
- */
if (skb->destructor == sock_wfree
#ifdef CONFIG_INET
|| skb->destructor == tcp_wfree
#endif
) {
- atomic_sub(skb->truesize - 1, &skb->sk->sk_wmem_alloc);
- skb->truesize = 1;
+ struct sock *sk = skb->sk;
+
+ if (atomic_inc_not_zero(&sk->sk_refcnt)) {
+ atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
+ skb->destructor = sock_efree;
+ }
} else {
skb_orphan(skb);
}
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 237d62c493e3..2ac9d2a1aaab 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -426,6 +426,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
newsk->sk_backlog_rcv = dccp_v4_do_rcv;
newnp->pktoptions = NULL;
newnp->opt = NULL;
+ newnp->ipv6_mc_list = NULL;
+ newnp->ipv6_ac_list = NULL;
+ newnp->ipv6_fl_list = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
@@ -490,6 +493,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
/* Clone RX bits */
newnp->rxopt.all = np->rxopt.all;
+ newnp->ipv6_mc_list = NULL;
+ newnp->ipv6_ac_list = NULL;
+ newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6789e48b7085..3d92534c4450 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -758,7 +758,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
unsigned int e = 0, s_e;
struct fib_table *tb;
struct hlist_head *head;
- int dumped = 0;
+ int dumped = 0, err;
if (nlmsg_len(cb->nlh) >= sizeof(struct rtmsg) &&
((struct rtmsg *) nlmsg_data(cb->nlh))->rtm_flags & RTM_F_CLONED)
@@ -778,20 +778,27 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
if (dumped)
memset(&cb->args[2], 0, sizeof(cb->args) -
2 * sizeof(cb->args[0]));
- if (fib_table_dump(tb, skb, cb) < 0)
- goto out;
+ err = fib_table_dump(tb, skb, cb);
+ if (err < 0) {
+ if (likely(skb->len))
+ goto out;
+
+ goto out_err;
+ }
dumped = 1;
next:
e++;
}
}
out:
+ err = skb->len;
+out_err:
rcu_read_unlock();
cb->args[1] = e;
cb->args[0] = h;
- return skb->len;
+ return err;
}
/* Prepare and feed intra-kernel routing request.
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 6a4068031aaa..7563831fa432 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -204,6 +204,7 @@ static void rt_fibinfo_free_cpus(struct rtable __rcu * __percpu *rtp)
static void free_fib_info_rcu(struct rcu_head *head)
{
struct fib_info *fi = container_of(head, struct fib_info, rcu);
+ struct dst_metrics *m;
change_nexthops(fi) {
if (nexthop_nh->nh_dev)
@@ -214,8 +215,9 @@ static void free_fib_info_rcu(struct rcu_head *head)
rt_fibinfo_free(&nexthop_nh->nh_rth_input);
} endfor_nexthops(fi);
- if (fi->fib_metrics != (u32 *) dst_default_metrics)
- kfree(fi->fib_metrics);
+ m = fi->fib_metrics;
+ if (m != &dst_default_metrics && atomic_dec_and_test(&m->refcnt))
+ kfree(m);
kfree(fi);
}
@@ -982,11 +984,11 @@ fib_convert_metrics(struct fib_info *fi, const struct fib_config *cfg)
val = 255;
if (type == RTAX_FEATURES && (val & ~RTAX_FEATURE_MASK))
return -EINVAL;
- fi->fib_metrics[type - 1] = val;
+ fi->fib_metrics->metrics[type - 1] = val;
}
if (ecn_ca)
- fi->fib_metrics[RTAX_FEATURES - 1] |= DST_FEATURE_ECN_CA;
+ fi->fib_metrics->metrics[RTAX_FEATURES - 1] |= DST_FEATURE_ECN_CA;
return 0;
}
@@ -1044,11 +1046,12 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
goto failure;
fib_info_cnt++;
if (cfg->fc_mx) {
- fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
+ fi->fib_metrics = kzalloc(sizeof(*fi->fib_metrics), GFP_KERNEL);
if (!fi->fib_metrics)
goto failure;
+ atomic_set(&fi->fib_metrics->refcnt, 1);
} else
- fi->fib_metrics = (u32 *) dst_default_metrics;
+ fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
fi->fib_net = net;
fi->fib_protocol = cfg->fc_protocol;
@@ -1252,7 +1255,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
if (fi->fib_priority &&
nla_put_u32(skb, RTA_PRIORITY, fi->fib_priority))
goto nla_put_failure;
- if (rtnetlink_put_metrics(skb, fi->fib_metrics) < 0)
+ if (rtnetlink_put_metrics(skb, fi->fib_metrics->metrics) < 0)
goto nla_put_failure;
if (fi->fib_prefsrc &&
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index e3665bf7a7f3..ef40bb659a7a 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1932,6 +1932,8 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
/* rcu_read_lock is hold by caller */
hlist_for_each_entry_rcu(fa, &l->leaf, fa_list) {
+ int err;
+
if (i < s_i) {
i++;
continue;
@@ -1942,17 +1944,14 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
continue;
}
- if (fib_dump_info(skb, NETLINK_CB(cb->skb).portid,
- cb->nlh->nlmsg_seq,
- RTM_NEWROUTE,
- tb->tb_id,
- fa->fa_type,
- xkey,
- KEYLENGTH - fa->fa_slen,
- fa->fa_tos,
- fa->fa_info, NLM_F_MULTI) < 0) {
+ err = fib_dump_info(skb, NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, RTM_NEWROUTE,
+ tb->tb_id, fa->fa_type,
+ xkey, KEYLENGTH - fa->fa_slen,
+ fa->fa_tos, fa->fa_info, NLM_F_MULTI);
+ if (err < 0) {
cb->args[4] = i;
- return -1;
+ return err;
}
i++;
}
@@ -1974,10 +1973,13 @@ int fib_table_dump(struct fib_table *tb, struct sk_buff *skb,
t_key key = cb->args[3];
while ((l = leaf_walk_rcu(&tp, key)) != NULL) {
- if (fn_trie_dump_leaf(l, tb, skb, cb) < 0) {
+ int err;
+
+ err = fn_trie_dump_leaf(l, tb, skb, cb);
+ if (err < 0) {
cb->args[3] = key;
cb->args[2] = count;
- return -1;
+ return err;
}
++count;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 61a9deec2993..cf3d5674846a 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -665,6 +665,8 @@ struct sock *inet_csk_clone_lock(const struct sock *sk,
/* listeners have SOCK_RCU_FREE, not the children */
sock_reset_flag(newsk, SOCK_RCU_FREE);
+ inet_sk(newsk)->mc_list = NULL;
+
newsk->sk_mark = inet_rsk(req)->ir_mark;
atomic64_set(&newsk->sk_cookie,
atomic64_read(&inet_rsk(req)->ir_cookie));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 6dbcb37753d7..6cd49fd17ac0 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1364,8 +1364,12 @@ static void rt_add_uncached_list(struct rtable *rt)
static void ipv4_dst_destroy(struct dst_entry *dst)
{
+ struct dst_metrics *p = (struct dst_metrics *)DST_METRICS_PTR(dst);
struct rtable *rt = (struct rtable *) dst;
+ if (p != &dst_default_metrics && atomic_dec_and_test(&p->refcnt))
+ kfree(p);
+
if (!list_empty(&rt->rt_uncached)) {
struct uncached_list *ul = rt->rt_uncached_list;
@@ -1417,7 +1421,11 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
rt->rt_gateway = nh->nh_gw;
rt->rt_uses_gateway = 1;
}
- dst_init_metrics(&rt->dst, fi->fib_metrics, true);
+ dst_init_metrics(&rt->dst, fi->fib_metrics->metrics, true);
+ if (fi->fib_metrics != &dst_default_metrics) {
+ rt->dst._metrics |= DST_METRICS_REFCOUNTED;
+ atomic_inc(&fi->fib_metrics->refcnt);
+ }
#ifdef CONFIG_IP_ROUTE_CLASSID
rt->dst.tclassid = nh->nh_tclassid;
#endif
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index eb142ca71fc5..86fbf0f3235e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1078,9 +1078,12 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
int *copied, size_t size)
{
struct tcp_sock *tp = tcp_sk(sk);
+ struct sockaddr *uaddr = msg->msg_name;
int err, flags;
- if (!(sysctl_tcp_fastopen & TFO_CLIENT_ENABLE))
+ if (!(sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) ||
+ (uaddr && msg->msg_namelen >= sizeof(uaddr->sa_family) &&
+ uaddr->sa_family == AF_UNSPEC))
return -EOPNOTSUPP;
if (tp->fastopen_req)
return -EALREADY; /* Another Fast Open is in progress */
@@ -1093,7 +1096,7 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
tp->fastopen_req->size = size;
flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0;
- err = __inet_stream_connect(sk->sk_socket, msg->msg_name,
+ err = __inet_stream_connect(sk->sk_socket, uaddr,
msg->msg_namelen, flags);
*copied = tp->fastopen_req->copied;
tcp_free_fastopen_req(tp);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7727ffeaaf9d..01336aa5f973 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1177,13 +1177,14 @@ static int tcp_match_skb_to_sack(struct sock *sk, struct sk_buff *skb,
*/
if (pkt_len > mss) {
unsigned int new_len = (pkt_len / mss) * mss;
- if (!in_sack && new_len < pkt_len) {
+ if (!in_sack && new_len < pkt_len)
new_len += mss;
- if (new_len >= skb->len)
- return 0;
- }
pkt_len = new_len;
}
+
+ if (pkt_len >= skb->len && !in_sack)
+ return 0;
+
err = tcp_fragment(sk, skb, pkt_len, mss, GFP_ATOMIC);
if (err < 0)
return err;
@@ -3232,7 +3233,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
int delta;
/* Non-retransmitted hole got filled? That's reordering */
- if (reord < prior_fackets)
+ if (reord < prior_fackets && reord <= tp->fackets_out)
tcp_update_reordering(sk, tp->fackets_out - reord, 0);
delta = tcp_is_fack(tp) ? pkts_acked :
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 33b04ec2744a..013086b248e2 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -63,7 +63,6 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
const struct net_offload *ops;
int proto;
struct frag_hdr *fptr;
- unsigned int unfrag_ip6hlen;
unsigned int payload_len;
u8 *prevhdr;
int offset = 0;
@@ -116,8 +115,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
skb->network_header = (u8 *)ipv6h - skb->head;
if (udpfrag) {
- unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
- fptr = (struct frag_hdr *)((u8 *)ipv6h + unfrag_ip6hlen);
+ int err = ip6_find_1stfragopt(skb, &prevhdr);
+ if (err < 0)
+ return ERR_PTR(err);
+ fptr = (struct frag_hdr *)((u8 *)ipv6h + err);
fptr->frag_off = htons(offset);
if (skb->next)
fptr->frag_off |= htons(IP6_MF);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index e27b8fdba5d2..1ac3cea49171 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -586,7 +586,10 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
int ptr, offset = 0, err = 0;
u8 *prevhdr, nexthdr = 0;
- hlen = ip6_find_1stfragopt(skb, &prevhdr);
+ err = ip6_find_1stfragopt(skb, &prevhdr);
+ if (err < 0)
+ goto fail;
+ hlen = err;
nexthdr = *prevhdr;
mtu = ip6_skb_dst_mtu(skb);
@@ -1444,6 +1447,11 @@ static int __ip6_append_data(struct sock *sk,
*/
alloclen += sizeof(struct frag_hdr);
+ copy = datalen - transhdrlen - fraggap;
+ if (copy < 0) {
+ err = -EINVAL;
+ goto error;
+ }
if (transhdrlen) {
skb = sock_alloc_send_skb(sk,
alloclen + hh_len,
@@ -1493,13 +1501,9 @@ static int __ip6_append_data(struct sock *sk,
data += fraggap;
pskb_trim_unique(skb_prev, maxfraglen);
}
- copy = datalen - transhdrlen - fraggap;
-
- if (copy < 0) {
- err = -EINVAL;
- kfree_skb(skb);
- goto error;
- } else if (copy > 0 && getfrag(from, data + transhdrlen, offset, copy, fraggap, skb) < 0) {
+ if (copy > 0 &&
+ getfrag(from, data + transhdrlen, offset,
+ copy, fraggap, skb) < 0) {
err = -EFAULT;
kfree_skb(skb);
goto error;
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index cd4252346a32..e9065b8d3af8 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -79,14 +79,13 @@ EXPORT_SYMBOL(ipv6_select_ident);
int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
{
u16 offset = sizeof(struct ipv6hdr);
- struct ipv6_opt_hdr *exthdr =
- (struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
unsigned int packet_len = skb_tail_pointer(skb) -
skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
- while (offset + 1 <= packet_len) {
+ while (offset <= packet_len) {
+ struct ipv6_opt_hdr *exthdr;
switch (**nexthdr) {
@@ -107,13 +106,16 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
return offset;
}
- offset += ipv6_optlen(exthdr);
- *nexthdr = &exthdr->nexthdr;
+ if (offset + sizeof(struct ipv6_opt_hdr) > packet_len)
+ return -EINVAL;
+
exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) +
offset);
+ offset += ipv6_optlen(exthdr);
+ *nexthdr = &exthdr->nexthdr;
}
- return offset;
+ return -EINVAL;
}
EXPORT_SYMBOL(ip6_find_1stfragopt);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index b2e61a0e8d0a..aef9b28067f4 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1046,6 +1046,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
#endif
+ newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
@@ -1115,6 +1116,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
First: no IPv4 options.
*/
newinet->inet_opt = NULL;
+ newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index ac858c480f2f..a2267f80febb 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -29,6 +29,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
u8 frag_hdr_sz = sizeof(struct frag_hdr);
__wsum csum;
int tnl_hlen;
+ int err;
mss = skb_shinfo(skb)->gso_size;
if (unlikely(skb->len <= mss))
@@ -90,7 +91,10 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
/* Find the unfragmentable header and shift it left by frag_hdr_sz
* bytes to insert fragment header.
*/
- unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
+ err = ip6_find_1stfragopt(skb, &prevhdr);
+ if (err < 0)
+ return ERR_PTR(err);
+ unfrag_ip6hlen = err;
nexthdr = *prevhdr;
*prevhdr = NEXTHDR_FRAGMENT;
unfrag_len = (skb_network_header(skb) - skb_mac_header(skb)) +
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index cb76ff3088e9..6a563e6e24de 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2652,13 +2652,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
}
- sockc.tsflags = po->sk.sk_tsflags;
- if (msg->msg_controllen) {
- err = sock_cmsg_send(&po->sk, msg, &sockc);
- if (unlikely(err))
- goto out;
- }
-
err = -ENXIO;
if (unlikely(dev == NULL))
goto out;
@@ -2666,6 +2659,13 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
if (unlikely(!(dev->flags & IFF_UP)))
goto out_put;
+ sockc.tsflags = po->sk.sk_tsflags;
+ if (msg->msg_controllen) {
+ err = sock_cmsg_send(&po->sk, msg, &sockc);
+ if (unlikely(err))
+ goto out_put;
+ }
+
if (po->sk.sk_socket->type == SOCK_RAW)
reserve = dev->hard_header_len;
size_max = po->tx_ring.frame_size
diff --git a/net/sctp/input.c b/net/sctp/input.c
index a01a56ec8b8c..6c79915c7dbc 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -473,15 +473,14 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
struct sctp_association **app,
struct sctp_transport **tpp)
{
+ struct sctp_init_chunk *chunkhdr, _chunkhdr;
union sctp_addr saddr;
union sctp_addr daddr;
struct sctp_af *af;
struct sock *sk = NULL;
struct sctp_association *asoc;
struct sctp_transport *transport = NULL;
- struct sctp_init_chunk *chunkhdr;
__u32 vtag = ntohl(sctphdr->vtag);
- int len = skb->len - ((void *)sctphdr - (void *)skb->data);
*app = NULL; *tpp = NULL;
@@ -516,13 +515,16 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
* discard the packet.
*/
if (vtag == 0) {
- chunkhdr = (void *)sctphdr + sizeof(struct sctphdr);
- if (len < sizeof(struct sctphdr) + sizeof(sctp_chunkhdr_t)
- + sizeof(__be32) ||
+ /* chunk header + first 4 octects of init header */
+ chunkhdr = skb_header_pointer(skb, skb_transport_offset(skb) +
+ sizeof(struct sctphdr),
+ sizeof(struct sctp_chunkhdr) +
+ sizeof(__be32), &_chunkhdr);
+ if (!chunkhdr ||
chunkhdr->chunk_hdr.type != SCTP_CID_INIT ||
- ntohl(chunkhdr->init_hdr.init_tag) != asoc->c.my_vtag) {
+ ntohl(chunkhdr->init_hdr.init_tag) != asoc->c.my_vtag)
goto out;
- }
+
} else if (vtag != asoc->c.peer_vtag) {
goto out;
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 6a2532dd31c4..0c090600f377 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -240,12 +240,10 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
struct sctp_bind_addr *bp;
struct ipv6_pinfo *np = inet6_sk(sk);
struct sctp_sockaddr_entry *laddr;
- union sctp_addr *baddr = NULL;
union sctp_addr *daddr = &t->ipaddr;
union sctp_addr dst_saddr;
struct in6_addr *final_p, final;
__u8 matchlen = 0;
- __u8 bmatchlen;
sctp_scope_t scope;
memset(fl6, 0, sizeof(struct flowi6));
@@ -312,23 +310,37 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
*/
rcu_read_lock();
list_for_each_entry_rcu(laddr, &bp->address_list, list) {
- if (!laddr->valid)
+ struct dst_entry *bdst;
+ __u8 bmatchlen;
+
+ if (!laddr->valid ||
+ laddr->state != SCTP_ADDR_SRC ||
+ laddr->a.sa.sa_family != AF_INET6 ||
+ scope > sctp_scope(&laddr->a))
continue;
- if ((laddr->state == SCTP_ADDR_SRC) &&
- (laddr->a.sa.sa_family == AF_INET6) &&
- (scope <= sctp_scope(&laddr->a))) {
- bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
- if (!baddr || (matchlen < bmatchlen)) {
- baddr = &laddr->a;
- matchlen = bmatchlen;
- }
- }
- }
- if (baddr) {
- fl6->saddr = baddr->v6.sin6_addr;
- fl6->fl6_sport = baddr->v6.sin6_port;
+
+ fl6->saddr = laddr->a.v6.sin6_addr;
+ fl6->fl6_sport = laddr->a.v6.sin6_port;
final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
- dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+ bdst = ip6_dst_lookup_flow(sk, fl6, final_p);
+
+ if (!IS_ERR(bdst) &&
+ ipv6_chk_addr(dev_net(bdst->dev),
+ &laddr->a.v6.sin6_addr, bdst->dev, 1)) {
+ if (!IS_ERR_OR_NULL(dst))
+ dst_release(dst);
+ dst = bdst;
+ break;
+ }
+
+ bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
+ if (matchlen > bmatchlen)
+ continue;
+
+ if (!IS_ERR_OR_NULL(dst))
+ dst_release(dst);
+ dst = bdst;
+ matchlen = bmatchlen;
}
rcu_read_unlock();
@@ -666,6 +678,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
newnp = inet6_sk(newsk);
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+ newnp->ipv6_mc_list = NULL;
+ newnp->ipv6_ac_list = NULL;
+ newnp->ipv6_fl_list = NULL;
rcu_read_lock();
opt = rcu_dereference(np->opt);
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 37b70f8e878f..0abab7926dca 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1537,6 +1537,8 @@ static const struct snd_pci_quirk stac9200_fixup_tbl[] = {
"Dell Inspiron 1501", STAC_9200_DELL_M26),
SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01f6,
"unknown Dell", STAC_9200_DELL_M26),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0201,
+ "Dell Latitude D430", STAC_9200_DELL_M22),
/* Panasonic */
SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-74", STAC_9200_PANASONIC),
/* Gateway machines needs EAPD to be set on resume */
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