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[PATCH 3.10 00/46] 3.10.80-stable review

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  [PATCH 3.10 00/46] 3.10.80-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 07/46] net: socket: Fix the wrong returns for recvmsg and sendmsg Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 42/46] rtlwifi: rtl8192cu: Fix kernel deadlock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 36/46] rt2x00: add new rt2800usb device DWA 130 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 44/46] ACPI / init: Fix the ordering of acpi_reserve_resources() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 11/46] libceph: request a new osdmap if lingering request maps to no osd Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 19/46] ASoC: wm8960: fix "RINPUT3" audio route error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 23/46] xhci: Solve full event ring by increasing TRBS_PER_SEGMENT to 256 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 22/46] xhci: fix isoc endpoint dequeue from advancing too far on transaction error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 10/46] lguest: fix out-by-one error in address checking. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 31/46] mmc: atmel-mci: fix bad variable type for clkdiv Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 12/46] hwmon: (ntc_thermistor) Ensure iio channel is of type IIO_VOLTAGE Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 09/46] fs, omfs: add NULL terminator in the end up the token list Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 15/46] ALSA: hda - Add Conexant codecs CX20721, CX20722, CX20723 and CX20724 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 16/46] ALSA: hda - Add headphone quirk for Lifebook E752 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 14/46] d_walk() might skip too much Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 43/46] Input: elantech - fix semi-mt protocol for v3 HW Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 46/46] fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 24/46] xhci: gracefully handle xhci_irq dead device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 01/46] staging: wlags49_h2: fix extern inline functions Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 37/46] crypto: s390/ghash - Fix incorrect ghash icv buffer handling. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 08/46] KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 45/46] vfs: read file_handle only once in handle_to_path Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 06/46] kernel: use the gnu89 standard explicitly Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 18/46] ASoC: uda1380: Avoid accessing i2c bus when codec is disabled Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 13:50 +0200
    [PATCH 3.10 34/46] libata: Add helper to determine when PHY events should be ignored Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 25/46] USB: visor: Match I330 phone more precisely Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 20/46] ASoC: wm8994: correct BCLK DIV 348 to 384 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 04/46] staging: rtl8712, rtl8712: avoid lots of build warnings Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 32/46] ext4: convert write_begin methods to stable_page_writes semantics Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 30/46] powerpc: Align TOC to 256 bytes Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 13/46] lib: Fix strnlen_user() to not touch memory after specified maximum Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 39/46] ARM: fix missing syscall trace exit Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 05/46] staging, rtl8192e, LLVMLinux: Remove unused inline prototype Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 03/46] staging, rtl8192e, LLVMLinux: Change extern inline to static inline Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 17/46] ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 41/46] md/raid5: dont record new size if resize_stripes fails. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 26/46] USB: pl2303: Remove support for Samsung I330 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 29/46] usb: gadget: configfs: Fix interfaces array NULL-termination Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 33/46] ext4: check for zero length extent explicitly Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 40/46] svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    [PATCH 3.10 27/46] USB: cp210x: add ID for KCF Technologies PRN device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-06-03 14:00 +0200
    Re: [PATCH 3.10 00/46] 3.10.80-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2015-06-03 19:00 +0200

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#1157381 — [PATCH 3.10 37/46] crypto: s390/ghash - Fix incorrect ghash icv buffer handling.

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Harald Freudenberger <freude@linux.vnet.ibm.com>

commit a1cae34e23b1293eccbcc8ee9b39298039c3952a upstream.

Multitheaded tests showed that the icv buffer in the current ghash
implementation is not handled correctly. A move of this working ghash
buffer value to the descriptor context fixed this. Code is tested and
verified with an multithreaded application via af_alg interface.

Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <geraldsc@linux.vnet.ibm.com>
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/s390/crypto/ghash_s390.c |   25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

--- a/arch/s390/crypto/ghash_s390.c
+++ b/arch/s390/crypto/ghash_s390.c
@@ -16,11 +16,12 @@
 #define GHASH_DIGEST_SIZE	16
 
 struct ghash_ctx {
-	u8 icv[16];
-	u8 key[16];
+	u8 key[GHASH_BLOCK_SIZE];
 };
 
 struct ghash_desc_ctx {
+	u8 icv[GHASH_BLOCK_SIZE];
+	u8 key[GHASH_BLOCK_SIZE];
 	u8 buffer[GHASH_BLOCK_SIZE];
 	u32 bytes;
 };
@@ -28,8 +29,10 @@ struct ghash_desc_ctx {
 static int ghash_init(struct shash_desc *desc)
 {
 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
+	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
 
 	memset(dctx, 0, sizeof(*dctx));
+	memcpy(dctx->key, ctx->key, GHASH_BLOCK_SIZE);
 
 	return 0;
 }
@@ -45,7 +48,6 @@ static int ghash_setkey(struct crypto_sh
 	}
 
 	memcpy(ctx->key, key, GHASH_BLOCK_SIZE);
-	memset(ctx->icv, 0, GHASH_BLOCK_SIZE);
 
 	return 0;
 }
@@ -54,7 +56,6 @@ static int ghash_update(struct shash_des
 			 const u8 *src, unsigned int srclen)
 {
 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
-	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
 	unsigned int n;
 	u8 *buf = dctx->buffer;
 	int ret;
@@ -70,7 +71,7 @@ static int ghash_update(struct shash_des
 		src += n;
 
 		if (!dctx->bytes) {
-			ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf,
+			ret = crypt_s390_kimd(KIMD_GHASH, dctx, buf,
 					      GHASH_BLOCK_SIZE);
 			if (ret != GHASH_BLOCK_SIZE)
 				return -EIO;
@@ -79,7 +80,7 @@ static int ghash_update(struct shash_des
 
 	n = srclen & ~(GHASH_BLOCK_SIZE - 1);
 	if (n) {
-		ret = crypt_s390_kimd(KIMD_GHASH, ctx, src, n);
+		ret = crypt_s390_kimd(KIMD_GHASH, dctx, src, n);
 		if (ret != n)
 			return -EIO;
 		src += n;
@@ -94,7 +95,7 @@ static int ghash_update(struct shash_des
 	return 0;
 }
 
-static int ghash_flush(struct ghash_ctx *ctx, struct ghash_desc_ctx *dctx)
+static int ghash_flush(struct ghash_desc_ctx *dctx)
 {
 	u8 *buf = dctx->buffer;
 	int ret;
@@ -104,24 +105,24 @@ static int ghash_flush(struct ghash_ctx
 
 		memset(pos, 0, dctx->bytes);
 
-		ret = crypt_s390_kimd(KIMD_GHASH, ctx, buf, GHASH_BLOCK_SIZE);
+		ret = crypt_s390_kimd(KIMD_GHASH, dctx, buf, GHASH_BLOCK_SIZE);
 		if (ret != GHASH_BLOCK_SIZE)
 			return -EIO;
+
+		dctx->bytes = 0;
 	}
 
-	dctx->bytes = 0;
 	return 0;
 }
 
 static int ghash_final(struct shash_desc *desc, u8 *dst)
 {
 	struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);
-	struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
 	int ret;
 
-	ret = ghash_flush(ctx, dctx);
+	ret = ghash_flush(dctx);
 	if (!ret)
-		memcpy(dst, ctx->icv, GHASH_BLOCK_SIZE);
+		memcpy(dst, dctx->icv, GHASH_BLOCK_SIZE);
 	return ret;
 }
 


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#1157382 — [PATCH 3.10 08/46] KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Paolo Bonzini <pbonzini@redhat.com>

commit 898761158be7682082955e3efa4ad24725305fc7 upstream.

smep_andnot_wp is initialized in kvm_init_shadow_mmu and shadow pages
should not be reused for different values of it.  Thus, it has to be
added to the mask in kvm_mmu_pte_write.

Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/x86/kvm/mmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3975,7 +3975,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *
 	++vcpu->kvm->stat.mmu_pte_write;
 	kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE);
 
-	mask.cr0_wp = mask.cr4_pae = mask.nxe = 1;
+	mask.cr0_wp = mask.cr4_pae = mask.nxe = mask.smep_andnot_wp = 1;
 	for_each_gfn_indirect_valid_sp(vcpu->kvm, sp, gfn) {
 		if (detect_write_misaligned(sp, gpa, bytes) ||
 		      detect_write_flooding(sp)) {


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#1157383 — [PATCH 3.10 45/46] vfs: read file_handle only once in handle_to_path

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sasha Levin <sasha.levin@oracle.com>

commit 161f873b89136eb1e69477c847d5a5033239d9ba upstream.

We used to read file_handle twice.  Once to get the amount of extra
bytes, and once to fetch the entire structure.

This may be problematic since we do size verifications only after the
first read, so if the number of extra bytes changes in userspace between
the first and second calls, we'll have an incoherent view of
file_handle.

Instead, read the constant size once, and copy that over to the final
structure without having to re-read it again.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/fhandle.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -195,8 +195,9 @@ static int handle_to_path(int mountdirfd
 		goto out_err;
 	}
 	/* copy the full handle */
-	if (copy_from_user(handle, ufh,
-			   sizeof(struct file_handle) +
+	*handle = f_handle;
+	if (copy_from_user(&handle->f_handle,
+			   &ufh->f_handle,
 			   f_handle.handle_bytes)) {
 		retval = -EFAULT;
 		goto out_handle;


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#1157384 — [PATCH 3.10 06/46] kernel: use the gnu89 standard explicitly

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Kirill A. Shutemov" <kirill@shutemov.name>

commit 51b97e354ba9fce1890cf38ecc754aa49677fc89 upstream.

Sasha Levin reports:
 "gcc5 changes the default standard to c11, which makes kernel build
  unhappy

  Explicitly define the kernel standard to be gnu89 which should keep
  everything working exactly like it was before gcc5"

There are multiple small issues with the new default, but the biggest
issue seems to be that the old - and very useful - GNU extension to
allow a cast in front of an initializer has gone away.

Patch updated by Kirill:
 "I'm pretty sure all gcc versions you can build kernel with supports
  -std=gnu89.  cc-option is redunrant.

  We also need to adjust HOSTCFLAGS otherwise allmodconfig fails for me"

Note by Andrew Pinski:
 "Yes it was reported and both problems relating to this extension has
  been added to gnu99 and gnu11.  Though there are other issues with the
  kernel dealing with extern inline have different semantics between
  gnu89 and gnu99/11"

End result: we may be able to move up to a newer stdc model eventually,
but right now the newer models have some annoying deficiencies, so the
traditional "gnu89" model ends up being the preferred one.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Singed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 Makefile |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/Makefile
+++ b/Makefile
@@ -241,7 +241,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH"
 
 HOSTCC       = gcc
 HOSTCXX      = g++
-HOSTCFLAGS   = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer
+HOSTCFLAGS   = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
 HOSTCXXFLAGS = -O2
 
 # Decide whether to build built-in, modular, or both.
@@ -373,7 +373,9 @@ KBUILD_CFLAGS   := -Wall -Wundef -Wstric
 		   -fno-strict-aliasing -fno-common \
 		   -Werror-implicit-function-declaration \
 		   -Wno-format-security \
-		   -fno-delete-null-pointer-checks
+		   -fno-delete-null-pointer-checks \
+		   -std=gnu89
+
 KBUILD_AFLAGS_KERNEL :=
 KBUILD_CFLAGS_KERNEL :=
 KBUILD_AFLAGS   := -D__ASSEMBLY__


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#1157385 — [PATCH 3.10 18/46] ASoC: uda1380: Avoid accessing i2c bus when codec is disabled

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vasily Khoruzhick <anarsoul@gmail.com>

commit 810e4425c224af6be67dff68c8832af1b5a11f89 upstream.

set_dai_fmt_both() callback is called from snd_soc_runtime_set_dai_fmt()
which is called from snd_soc_register_card(), but at this time codec
is not powered on yet. Replace direct i2c write with regcache write.

Fixes: 5f0acedddf533c (ASoC: rx1950_uda1380: Use static DAI format setup)
Fixes: 5cc10b9b77c234 (ASoC: h1940_uda1380: Use static DAI format setup)
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/uda1380.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -435,7 +435,7 @@ static int uda1380_set_dai_fmt_both(stru
 	if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS)
 		return -EINVAL;
 
-	uda1380_write(codec, UDA1380_IFACE, iface);
+	uda1380_write_reg_cache(codec, UDA1380_IFACE, iface);
 
 	return 0;
 }


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#1157388 — [PATCH 3.10 34/46] libata: Add helper to determine when PHY events should be ignored

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gabriele Mazzotta <gabriele.mzt@gmail.com>

commit 8393b811f38acdf7fd8da2028708edad3e68ce1f upstream.

This is a preparation commit that will allow to add other criteria
according to which PHY events should be dropped.

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/ata/libahci.c     |    3 +--
 drivers/ata/libata-core.c |   19 +++++++++++++++++++
 include/linux/libata.h    |    1 +
 3 files changed, 21 insertions(+), 2 deletions(-)

--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1684,8 +1684,7 @@ static void ahci_handle_port_interrupt(s
 	if (unlikely(resetting))
 		status &= ~PORT_IRQ_BAD_PMP;
 
-	/* if LPM is enabled, PHYRDY doesn't mean anything */
-	if (ap->link.lpm_policy > ATA_LPM_MAX_POWER) {
+	if (sata_lpm_ignore_phy_events(&ap->link)) {
 		status &= ~PORT_IRQ_PHYRDY;
 		ahci_scr_write(&ap->link, SCR_ERROR, SERR_PHYRDY_CHG);
 	}
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6800,6 +6800,25 @@ u32 ata_wait_register(struct ata_port *a
 	return tmp;
 }
 
+/**
+ *	sata_lpm_ignore_phy_events - test if PHY event should be ignored
+ *	@link: Link receiving the event
+ *
+ *	Test whether the received PHY event has to be ignored or not.
+ *
+ *	LOCKING:
+ *	None:
+ *
+ *	RETURNS:
+ *	True if the event has to be ignored.
+ */
+bool sata_lpm_ignore_phy_events(struct ata_link *link)
+{
+	/* if LPM is enabled, PHYRDY doesn't mean anything */
+	return !!(link->lpm_policy > ATA_LPM_MAX_POWER);
+}
+EXPORT_SYMBOL_GPL(sata_lpm_ignore_phy_events);
+
 /*
  * Dummy port_ops
  */
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1085,6 +1085,7 @@ extern struct ata_device *ata_dev_pair(s
 extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q);
+extern bool sata_lpm_ignore_phy_events(struct ata_link *link);
 
 extern int ata_cable_40wire(struct ata_port *ap);
 extern int ata_cable_80wire(struct ata_port *ap);


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#1157389 — [PATCH 3.10 25/46] USB: visor: Match I330 phone more precisely

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 82ee3aeb9295c5fc37fd2ddf20f13ac2b40ec97d upstream.

Samsung has just released a portable USB3 SSD, coming in a very small
and nice form factor. It's USB ID is 04e8:8001, which unfortunately is
already used by the Palm Visor driver for the Samsung I330 phone cradle.
Having pl2303 or visor pick up this device ID results in conflicts with
the usb-storage driver, which handles the newly released portable USB3
SSD.

To work around this conflict, I've dug up a mailing list post [1] from a
long time ago, in which a user posts the full USB descriptor
information. The most specific value in this appears to be the interface
class, which has value 255 (0xff). Since usb-storage requires an
interface class of 0x8, I believe it's correct to disambiguate the two
devices by matching on 0xff inside visor.

[1] http://permalink.gmane.org/gmane.linux.usb.user/4264

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/serial/visor.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -96,7 +96,7 @@ static struct usb_device_id id_table []
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(ACER_VENDOR_ID, ACER_S10_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
-	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID),
+	{ USB_DEVICE_INTERFACE_CLASS(SAMSUNG_VENDOR_ID, SAMSUNG_SCH_I330_ID, 0xff),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },
 	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_SPH_I500_ID),
 		.driver_info = (kernel_ulong_t)&palm_os_4_probe },


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#1157391 — [PATCH 3.10 20/46] ASoC: wm8994: correct BCLK DIV 348 to 384

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Zidan Wang <zidan.wang@freescale.com>

commit 17fc2e0a3db11889e942c5ab15a1fcb876638f25 upstream.

According to the RM of wm8958, BCLK DIV 348 doesn't exist, correct it
to 384.

Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/wm8994.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2679,7 +2679,7 @@ static struct {
 };
 
 static int fs_ratios[] = {
-	64, 128, 192, 256, 348, 512, 768, 1024, 1408, 1536
+	64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
 };
 
 static int bclk_divs[] = {


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#1157392 — [PATCH 3.10 04/46] staging: rtl8712, rtl8712: avoid lots of build warnings

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@arndb.de>

commit 0c9f3a65c5eb7fe1fc611a22eb8a8b71ea865998 upstream.

The rtl8712 driver has an 'extern inline' function that contains an
'if', which causes lots of warnings with CONFIG_PROFILE_ALL_BRANCHES
overriding the definition of 'if':

drivers/staging/rtl8712/ieee80211.h:759:229: warning: '______f' is static but declared in inline function 'ieee80211_get_hdrlen' which is not static [enabled by default]

This changes the driver to use 'static inline' instead, which happens
to be the correct annotation anyway.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Florian Schilhabel <florian.c.schilhabel@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/staging/rtl8187se/ieee80211/ieee80211.h |    4 ++--
 drivers/staging/rtl8192u/ieee80211/ieee80211.h  |   10 +++++-----
 drivers/staging/rtl8712/ieee80211.h             |    4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

--- a/drivers/staging/rtl8187se/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211.h
@@ -1447,12 +1447,12 @@ extern void ieee80211_sta_ps_send_null_f
 
 extern const long ieee80211_wlan_frequencies[];
 
-extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
+static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
 {
 	ieee->scans++;
 }
 
-extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
+static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
 {
 	return ieee->scans;
 }
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -2250,7 +2250,7 @@ static inline void *ieee80211_priv(struc
 	return ((struct ieee80211_device *)netdev_priv(dev))->priv;
 }
 
-extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
+static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
 {
 	/* Single white space is for Linksys APs */
 	if (essid_len == 1 && essid[0] == ' ')
@@ -2266,7 +2266,7 @@ extern inline int ieee80211_is_empty_ess
 	return 1;
 }
 
-extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
+static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode)
 {
 	/*
 	 * It is possible for both access points and our device to support
@@ -2292,7 +2292,7 @@ extern inline int ieee80211_is_valid_mod
 	return 0;
 }
 
-extern inline int ieee80211_get_hdrlen(u16 fc)
+static inline int ieee80211_get_hdrlen(u16 fc)
 {
 	int hdrlen = IEEE80211_3ADDR_LEN;
 
@@ -2578,12 +2578,12 @@ void ieee80211_softmac_scan_syncro(struc
 
 extern const long ieee80211_wlan_frequencies[];
 
-extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
+static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
 {
 	ieee->scans++;
 }
 
-extern inline int ieee80211_get_scans(struct ieee80211_device *ieee)
+static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
 {
 	return ieee->scans;
 }
--- a/drivers/staging/rtl8712/ieee80211.h
+++ b/drivers/staging/rtl8712/ieee80211.h
@@ -734,7 +734,7 @@ enum ieee80211_state {
 #define IEEE_G            (1<<2)
 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
 
-extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
+static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
 {
 	/* Single white space is for Linksys APs */
 	if (essid_len == 1 && essid[0] == ' ')
@@ -748,7 +748,7 @@ extern inline int ieee80211_is_empty_ess
 	return 1;
 }
 
-extern inline int ieee80211_get_hdrlen(u16 fc)
+static inline int ieee80211_get_hdrlen(u16 fc)
 {
 	int hdrlen = 24;
 


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#1157394 — [PATCH 3.10 32/46] ext4: convert write_begin methods to stable_page_writes semantics

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Monakhov <dmonakhov@openvz.org>

commit 7afe5aa59ed3da7b6161617e7f157c7c680dc41e upstream.

Use wait_for_stable_page() instead of wait_on_page_writeback()

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alex Shi <alex.shi@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ext4/inode.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1032,7 +1032,8 @@ retry_journal:
 		ext4_journal_stop(handle);
 		goto retry_grab;
 	}
-	wait_on_page_writeback(page);
+	/* In case writeback began while the page was unlocked */
+	wait_for_stable_page(page);
 
 	if (ext4_should_dioread_nolock(inode))
 		ret = __block_write_begin(page, pos, len, ext4_get_block_write);
@@ -2729,7 +2730,7 @@ retry_journal:
 		goto retry_grab;
 	}
 	/* In case writeback began while the page was unlocked */
-	wait_on_page_writeback(page);
+	wait_for_stable_page(page);
 
 	ret = __block_write_begin(page, pos, len, ext4_da_get_block_prep);
 	if (ret < 0) {


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#1157395 — [PATCH 3.10 30/46] powerpc: Align TOC to 256 bytes

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Anton Blanchard <anton@samba.org>

commit 5e95235ccd5442d4a4fe11ec4eb99ba1b7959368 upstream.

Recent toolchains force the TOC to be 256 byte aligned. We need
to enforce this alignment in our linker script, otherwise pointers
to our TOC variables (__toc_start, __prom_init_toc_start) could
be incorrect.

If they are bad, we die a few hundred instructions into boot.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/powerpc/kernel/vmlinux.lds.S |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -213,6 +213,7 @@ SECTIONS
 		*(.opd)
 	}
 
+	. = ALIGN(256);
 	.got : AT(ADDR(.got) - LOAD_OFFSET) {
 		__toc_start = .;
 #ifndef CONFIG_RELOCATABLE


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#1157396 — [PATCH 3.10 13/46] lib: Fix strnlen_user() to not touch memory after specified maximum

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Kara <jack@suse.cz>

commit f18c34e483ff6b1d9866472221e4015b3a4698e4 upstream.

If the specified maximum length of the string is a multiple of unsigned
long, we would load one long behind the specified maximum.  If that
happens to be in a next page, we can hit a page fault although we were
not expected to.

Fix the off-by-one bug in the test whether we are at the end of the
specified range.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 lib/strnlen_user.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/lib/strnlen_user.c
+++ b/lib/strnlen_user.c
@@ -57,7 +57,8 @@ static inline long do_strnlen_user(const
 			return res + find_zero(data) + 1 - align;
 		}
 		res += sizeof(unsigned long);
-		if (unlikely(max < sizeof(unsigned long)))
+		/* We already handled 'unsigned long' bytes. Did we do it all ? */
+		if (unlikely(max <= sizeof(unsigned long)))
 			break;
 		max -= sizeof(unsigned long);
 		if (unlikely(__get_user(c,(unsigned long __user *)(src+res))))


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#1157397 — [PATCH 3.10 39/46] ARM: fix missing syscall trace exit

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Russell King <rmk+kernel@arm.linux.org.uk>

commit 1b97937246d8b97c0760d16d8992c7937bdf5e6a upstream.

Josh Stone reports:

  I've discovered a case where both arm and arm64 will miss a ptrace
  syscall-exit that they should report.  If the syscall is entered
  without TIF_SYSCALL_TRACE set, then it goes on the fast path.  It's
  then possible to have TIF_SYSCALL_TRACE added in the middle of the
  syscall, but ret_fast_syscall doesn't check this flag again.

Fix this by always checking for a syscall trace in the fast exit path.

Reported-by: Josh Stone <jistone@redhat.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/kernel/entry-common.S |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -32,7 +32,9 @@ ret_fast_syscall:
  UNWIND(.fnstart	)
  UNWIND(.cantunwind	)
 	disable_irq				@ disable interrupts
-	ldr	r1, [tsk, #TI_FLAGS]
+	ldr	r1, [tsk, #TI_FLAGS]		@ re-check for syscall tracing
+	tst	r1, #_TIF_SYSCALL_WORK
+	bne	__sys_trace_return
 	tst	r1, #_TIF_WORK_MASK
 	bne	fast_work_pending
 	asm_trace_hardirqs_on


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#1157398 — [PATCH 3.10 05/46] staging, rtl8192e, LLVMLinux: Remove unused inline prototype

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Behan Webster <behanw@converseincode.com>

commit 62ec95f86d2850b7ce6d73fb236a6fcf48411aea upstream.

rtllib_probe_req is defined as "static inline" in rtllib_softmac.c however it
is declared differently as "extern inline" in rtllib_softmac.h. Since it isn't
used outside of the scope of rtllib_softmac, it makes sense to remove the
incorrect declaration.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/staging/rtl8192e/rtllib.h |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -2761,7 +2761,6 @@ extern void rtllib_stop_scan(struct rtll
 extern bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan);
 extern void rtllib_stop_scan_syncro(struct rtllib_device *ieee);
 extern void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh);
-extern inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee);
 extern u8 MgntQuery_MgntFrameTxRate(struct rtllib_device *ieee);
 extern void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee,
 					  short pwr);


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#1157399 — [PATCH 3.10 03/46] staging, rtl8192e, LLVMLinux: Change extern inline to static inline

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Behan Webster <behanw@converseincode.com>

commit 6d91857d4826b382b3fd4fad95f52713be646f96 upstream.

With compilers which follow the C99 standard (like modern versions of gcc and
clang), "extern inline" does the opposite thing from older versions of gcc
(emits code for an externally linkable version of the inline function).

"static inline" does the intended behavior in all cases instead.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/staging/rtl8192e/rtllib.h         |    4 ++--
 drivers/staging/rtl8192e/rtllib_softmac.c |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -2943,12 +2943,12 @@ void rtllib_softmac_scan_syncro(struct r
 
 extern const long rtllib_wlan_frequencies[];
 
-extern inline void rtllib_increment_scans(struct rtllib_device *ieee)
+static inline void rtllib_increment_scans(struct rtllib_device *ieee)
 {
 	ieee->scans++;
 }
 
-extern inline int rtllib_get_scans(struct rtllib_device *ieee)
+static inline int rtllib_get_scans(struct rtllib_device *ieee)
 {
 	return ieee->scans;
 }
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -341,7 +341,7 @@ inline void softmac_ps_mgmt_xmit(struct
 	}
 }
 
-inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee)
+static inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee)
 {
 	unsigned int len, rate_len;
 	u8 *tag;


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#1157400 — [PATCH 3.10 17/46] ASoC: mc13783: Fix wrong mask value used in mc13xxx_reg_rmw() calls

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@ingics.com>

commit 545774bd6e1427d98dde77244329d2311c5eca6f upstream.

mc13xxx_reg_rmw() won't change any bit if passing 0 to the mask field.
Pass AUDIO_SSI_SEL instead of 0 for the mask field to set AUDIO_SSI_SEL
bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/mc13783.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -604,14 +604,14 @@ static int mc13783_probe(struct snd_soc_
 				AUDIO_SSI_SEL, 0);
 	else
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
-				0, AUDIO_SSI_SEL);
+				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 
 	if (priv->dac_ssi_port == MC13783_SSI1_PORT)
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
 				AUDIO_SSI_SEL, 0);
 	else
 		mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
-				0, AUDIO_SSI_SEL);
+				AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 
 	mc13xxx_unlock(priv->mc13xxx);
 


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#1157401 — [PATCH 3.10 41/46] md/raid5: dont record new size if resize_stripes fails.

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: NeilBrown <neilb@suse.de>

commit 6e9eac2dcee5e19f125967dd2be3e36558c42fff upstream.

If any memory allocation in resize_stripes fails we will return
-ENOMEM, but in some cases we update conf->pool_size anyway.

This means that if we try again, the allocations will be assumed
to be larger than they are, and badness results.

So only update pool_size if there is no error.

This bug was introduced in 2.6.17 and the patch is suitable for
-stable.

Fixes: ad01c9e3752f ("[PATCH] md: Allow stripes to be expanded in preparation for expanding an array")
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/md/raid5.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1701,7 +1701,8 @@ static int resize_stripes(struct r5conf
 
 	conf->slab_cache = sc;
 	conf->active_name = 1-conf->active_name;
-	conf->pool_size = newsize;
+	if (!err)
+		conf->pool_size = newsize;
 	return err;
 }
 


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#1157402 — [PATCH 3.10 26/46] USB: pl2303: Remove support for Samsung I330

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 48ef23a4f686b1e4519d4193c20d26834ff810ff upstream.

This phone is already supported by the visor driver.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/serial/pl2303.c |    1 -
 drivers/usb/serial/pl2303.h |    4 ----
 2 files changed, 5 deletions(-)

--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -63,7 +63,6 @@ static const struct usb_device_id id_tab
 	{ USB_DEVICE(DCU10_VENDOR_ID, DCU10_PRODUCT_ID) },
 	{ USB_DEVICE(SITECOM_VENDOR_ID, SITECOM_PRODUCT_ID) },
 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_ID) },
-	{ USB_DEVICE(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_ID) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_SX1) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) },
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -62,10 +62,6 @@
 #define ALCATEL_VENDOR_ID	0x11f7
 #define ALCATEL_PRODUCT_ID	0x02df
 
-/* Samsung I330 phone cradle */
-#define SAMSUNG_VENDOR_ID	0x04e8
-#define SAMSUNG_PRODUCT_ID	0x8001
-
 #define SIEMENS_VENDOR_ID	0x11f5
 #define SIEMENS_PRODUCT_ID_SX1	0x0001
 #define SIEMENS_PRODUCT_ID_X65	0x0003


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#1157403 — [PATCH 3.10 29/46] usb: gadget: configfs: Fix interfaces array NULL-termination

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Krzysztof Opasiak <k.opasiak@samsung.com>

commit 903124fe1aa284f61745a9dd4fbfa0184e569fff upstream.

memset() to 0 interfaces array before reusing
usb_configuration structure.

This commit fix bug:

ln -s functions/acm.1 configs/c.1
ln -s functions/acm.2 configs/c.1
ln -s functions/acm.3 configs/c.1
echo "UDC name" > UDC
echo "" > UDC
rm configs/c.1/acm.*
rmdir functions/*
mkdir functions/ecm.usb0
ln -s functions/ecm.usb0 configs/c.1
echo "UDC name" > UDC

[   82.220969] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[   82.229009] pgd = c0004000
[   82.231698] [00000000] *pgd=00000000
[   82.235260] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[   82.240638] Modules linked in:
[   82.243681] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.0.0-rc2 #39
[   82.249926] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[   82.256003] task: c07cd2f0 ti: c07c8000 task.ti: c07c8000
[   82.261393] PC is at composite_setup+0xe3c/0x1674
[   82.266073] LR is at composite_setup+0xf20/0x1674
[   82.270760] pc : [<c03510d4>]    lr : [<c03511b8>]    psr: 600001d3
[   82.270760] sp : c07c9df0  ip : c0806448  fp : ed8c9c9c
[   82.282216] r10: 00000001  r9 : 00000000  r8 : edaae918
[   82.287425] r7 : ed551cc0  r6 : 00007fff  r5 : 00000000  r4 : ed799634
[   82.293934] r3 : 00000003  r2 : 00010002  r1 : edaae918  r0 : 0000002e
[   82.300446] Flags: nZCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
[   82.307910] Control: 10c5387d  Table: 6bc1804a  DAC: 00000015
[   82.313638] Process swapper/0 (pid: 0, stack limit = 0xc07c8210)
[   82.319627] Stack: (0xc07c9df0 to 0xc07ca000)
[   82.323969] 9de0:                                     00000000 c06e65f4 00000000 c07c9f68
[   82.332130] 9e00: 00000067 c07c59ac 000003f7 edaae918 ed8c9c98 ed799690 eca2f140 200001d3
[   82.340289] 9e20: ee79a2d8 c07c9e88 c07c5304 ffff55db 00010002 edaae810 edaae860 eda96d50
[   82.348448] 9e40: 00000009 ee264510 00000007 c07ca444 edaae860 c0340890 c0827a40 ffff55e0
[   82.356607] 9e60: c0827a40 eda96e40 ee264510 edaae810 00000000 edaae860 00000007 c07ca444
[   82.364766] 9e80: edaae860 c0354170 c03407dc c033db4c edaae810 00000000 00000000 00000010
[   82.372925] 9ea0: 00000032 c0341670 00000000 00000000 00000001 eda96e00 00000000 00000000
[   82.381084] 9ec0: 00000000 00000032 c0803a23 ee1aa840 00000001 c005d54c 249e2450 00000000
[   82.389244] 9ee0: 200001d3 ee1aa840 ee1aa8a0 ed84f4c0 00000000 c07c9f68 00000067 c07c59ac
[   82.397403] 9f00: 00000000 c005d688 ee1aa840 ee1aa8a0 c07db4b4 c006009c 00000032 00000000
[   82.405562] 9f20: 00000001 c005ce20 c07c59ac c005cf34 f002000c c07ca780 c07c9f68 00000057
[   82.413722] 9f40: f0020000 413fc090 00000001 c00086b4 c000f804 60000053 ffffffff c07c9f9c
[   82.421880] 9f60: c0803a20 c0011fc0 00000000 00000000 c07c9fb8 c001bee0 c07ca4f0 c057004c
[   82.430040] 9f80: c07ca4fc c0803a20 c0803a20 413fc090 00000001 00000000 01000000 c07c9fb0
[   82.438199] 9fa0: c000f800 c000f804 60000053 ffffffff 00000000 c0050e70 c0803bc0 c0783bd8
[   82.446358] 9fc0: ffffffff ffffffff c0783664 00000000 00000000 c07b13e8 00000000 c0803e54
[   82.454517] 9fe0: c07ca480 c07b13e4 c07ce40c 4000406a 00000000 40008074 00000000 00000000
[   82.462689] [<c03510d4>] (composite_setup) from [<c0340890>] (s3c_hsotg_complete_setup+0xb4/0x418)
[   82.471626] [<c0340890>] (s3c_hsotg_complete_setup) from [<c0354170>] (usb_gadget_giveback_request+0xc/0x10)
[   82.481429] [<c0354170>] (usb_gadget_giveback_request) from [<c033db4c>] (s3c_hsotg_complete_request+0xcc/0x12c)
[   82.491583] [<c033db4c>] (s3c_hsotg_complete_request) from [<c0341670>] (s3c_hsotg_irq+0x4fc/0x558)
[   82.500614] [<c0341670>] (s3c_hsotg_irq) from [<c005d54c>] (handle_irq_event_percpu+0x50/0x150)
[   82.509291] [<c005d54c>] (handle_irq_event_percpu) from [<c005d688>] (handle_irq_event+0x3c/0x5c)
[   82.518145] [<c005d688>] (handle_irq_event) from [<c006009c>] (handle_fasteoi_irq+0xd4/0x18c)
[   82.526650] [<c006009c>] (handle_fasteoi_irq) from [<c005ce20>] (generic_handle_irq+0x20/0x30)
[   82.535242] [<c005ce20>] (generic_handle_irq) from [<c005cf34>] (__handle_domain_irq+0x6c/0xdc)
[   82.543923] [<c005cf34>] (__handle_domain_irq) from [<c00086b4>] (gic_handle_irq+0x2c/0x6c)
[   82.552256] [<c00086b4>] (gic_handle_irq) from [<c0011fc0>] (__irq_svc+0x40/0x74)
[   82.559716] Exception stack(0xc07c9f68 to 0xc07c9fb0)
[   82.564753] 9f60:                   00000000 00000000 c07c9fb8 c001bee0 c07ca4f0 c057004c
[   82.572913] 9f80: c07ca4fc c0803a20 c0803a20 413fc090 00000001 00000000 01000000 c07c9fb0
[   82.581069] 9fa0: c000f800 c000f804 60000053 ffffffff
[   82.586113] [<c0011fc0>] (__irq_svc) from [<c000f804>] (arch_cpu_idle+0x30/0x3c)
[   82.593491] [<c000f804>] (arch_cpu_idle) from [<c0050e70>] (cpu_startup_entry+0x128/0x1a4)
[   82.601740] [<c0050e70>] (cpu_startup_entry) from [<c0783bd8>] (start_kernel+0x350/0x3bc)
[   82.609890] Code: 0a000002 e3530005 05975010 15975008 (e5953000)
[   82.615965] ---[ end trace f57d5f599a5f1bfa ]---

Most of kernel code assume that interface array in
struct usb_configuration is NULL terminated.

When gadget is composed with configfs configuration
structure may be reused for different functions set.

This bug happens because purge_configs_funcs() sets
only next_interface_id to 0. Interface array still
contains pointers to already freed interfaces. If in
second try we add less interfaces than earlier we
may access unallocated memory when trying to get
interface descriptors.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/gadget/configfs.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -757,6 +757,7 @@ static void purge_configs_funcs(struct g
 			}
 		}
 		c->next_interface_id = 0;
+		memset(c->interface, 0, sizeof(c->interface));
 		c->superspeed = 0;
 		c->highspeed = 0;
 		c->fullspeed = 0;


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#1157405 — [PATCH 3.10 33/46] ext4: check for zero length extent explicitly

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eryu Guan <guaneryu@gmail.com>

commit 2f974865ffdfe7b9f46a9940836c8b167342563d upstream.

The following commit introduced a bug when checking for zero length extent

5946d08 ext4: check for overlapping extents in ext4_valid_extent_entries()

Zero length extent could pass the check if lblock is zero.

Adding the explicit check for zero length back.

Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/ext4/extents.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -363,7 +363,7 @@ static int ext4_valid_extent(struct inod
 	ext4_lblk_t lblock = le32_to_cpu(ext->ee_block);
 	ext4_lblk_t last = lblock + len - 1;
 
-	if (lblock > last)
+	if (len == 0 || lblock > last)
 		return 0;
 	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
 }


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