Groups > linux.kernel > #1264492 > unrolled thread

[PATCH 4.2 000/110] 4.2.6-stable review

Started by	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
First post	2015-11-06 21:50 +0100
Last post	2015-11-09 10:30 +0100
Articles	17 on this page of 37 — 4 participants

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  [PATCH 4.2 000/110] 4.2.6-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 043/110] drm/radeon: dont try to recreate sysfs entries on resume Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 051/110] rbd: dont leak parent_spec in rbd_dev_probe_parent() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 009/110] iwlwifi: mvm: fix D3 firmware PN programming Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 048/110] iio: st_accel: fix interrupt handling on LIS3LV02 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 022/110] [media] si2168: Bounds check firmware Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 031/110] x86/setup: Extend low identity map to cover whole kernel range Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 005/110] iwlwifi: fix firmware filename for 3160 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 044/110] drm/amdgpu: dont try to recreate sysfs entries on resume Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 053/110] ARM: EXYNOS: Fix double of_node_put() when parsing child power domains Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 054/110] ARM: orion: Fix DSA platform device after mvmdio conversion Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 049/110] iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 007/110] iwlwifi: mvm: clear csa countdown when AP is stopped Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 008/110] iwlwifi: mvm: fix D3 CCMP TX PN assignment Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 025/110] ALSA: hdac: Explicitly add io.h Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 019/110] drm: crtc: integer overflow in drm_property_create_blob() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 024/110] KVM: arm: use GIC support unconditionally Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 006/110] rtlwifi: rtl8821ae: Fix system lockups on boot Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 050/110] rbd: require stable pages if message data CRCs are enabled Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 039/110] drm/amdgpu: add missing dpm check for KV dpm late init Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 026/110] ALSA: hda - Fix inverted internal mic on Lenovo G50-80 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 21:50 +0100
    [PATCH 4.2 016/110] powerpc/rtas: Validate rtas.entry before calling enter_rtas() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 017/110] drm: fix mutex leak in drm_dp_get_mst_branch_device Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 010/110] iwlwifi: mvm: init card correctly on ctkill exit check Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 014/110] iommu/amd: Fix BUG when faulting a PROT_NONE VMA Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 002/110] ath9k: declare required extra tx headroom Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 011/110] iwlwifi: mvm: flush fw_dump_wk when mvm fails to start Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 021/110] [media] si2157: Bounds check firmware Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 013/110] iommu/vt-d: fix range computation when making room for large pages Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 015/110] iommu/amd: Dont clear DTE flags when modifying it Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 020/110] [media] m88ds3103: use own reg update_bits() implementation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    [PATCH 4.2 001/110] mac80211: Fix hwflags debugfs file format Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-06 22:00 +0100
    Re: [PATCH 4.2 000/110] 4.2.6-stable review Guenter Roeck <linux@roeck-us.net> - 2015-11-07 02:50 +0100
      Re: [PATCH 4.2 000/110] 4.2.6-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-07 03:50 +0100
    Re: [PATCH 4.2 000/110] 4.2.6-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2015-11-07 04:00 +0100
      Re: [PATCH 4.2 000/110] 4.2.6-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-11-07 04:10 +0100
    Re: [PATCH 4.2 000/110] 4.2.6-stable review Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-11-09 10:30 +0100

Page 2 of 2 — ← Prev page 1 [2]

#1264519 — [PATCH 4.2 026/110] ALSA: hda - Fix inverted internal mic on Lenovo G50-80

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 21:50 +0100
Subject	[PATCH 4.2 026/110] ALSA: hda - Fix inverted internal mic on Lenovo G50-80
Message-ID	<qrW7q-YG-59@gated-at.bofh.it>
In reply to	#1264492

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

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

From: David Henningsson <david.henningsson@canonical.com>

commit e8d65a8d985271a102f07c7456da5b86c19ffe16 upstream.

Add the appropriate quirk to indicate the Lenovo G50-80 has a stereo
mic input where one channel has reverse polarity.

Alsa-info available at:
https://launchpadlibrarian.net/220846272/AlsaInfo.txt

BugLink: https://bugs.launchpad.net/bugs/1504778
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/pci/hda/patch_conexant.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -819,6 +819,7 @@ static const struct snd_pci_quirk cxt506
 	SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
+	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
 	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),


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#1264524 — [PATCH 4.2 016/110] powerpc/rtas: Validate rtas.entry before calling enter_rtas()

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 016/110] powerpc/rtas: Validate rtas.entry before calling enter_rtas()
Message-ID	<qrWh4-13l-11@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>

commit 8832317f662c06f5c06e638f57bfe89a71c9b266 upstream.

Currently we do not validate rtas.entry before calling enter_rtas(). This
leads to a kernel oops when user space calls rtas system call on a powernv
platform (see below). This patch adds code to validate rtas.entry before
making enter_rtas() call.

  Oops: Exception in kernel mode, sig: 4 [#1]
  SMP NR_CPUS=1024 NUMA PowerNV
  task: c000000004294b80 ti: c0000007e1a78000 task.ti: c0000007e1a78000
  NIP: 0000000000000000 LR: 0000000000009c14 CTR: c000000000423140
  REGS: c0000007e1a7b920 TRAP: 0e40   Not tainted  (3.18.17-340.el7_1.pkvm3_1_0.2400.1.ppc64le)
  MSR: 1000000000081000 <HV,ME>  CR: 00000000  XER: 00000000
  CFAR: c000000000009c0c SOFTE: 0
  NIP [0000000000000000]           (null)
  LR [0000000000009c14] 0x9c14
  Call Trace:
  [c0000007e1a7bba0] [c00000000041a7f4] avc_has_perm_noaudit+0x54/0x110 (unreliable)
  [c0000007e1a7bd80] [c00000000002ddc0] ppc_rtas+0x150/0x2d0
  [c0000007e1a7be30] [c000000000009358] syscall_exit+0x0/0x98

Fixes: 55190f88789a ("powerpc: Add skeleton PowerNV platform")
Reported-by: NAGESWARA R. SASTRY <nasastry@in.ibm.com>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[mpe: Reword change log, trim oops, and add stable + fixes]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/powerpc/kernel/rtas.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -1041,6 +1041,9 @@ asmlinkage int ppc_rtas(struct rtas_args
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
+	if (!rtas.entry)
+		return -EINVAL;
+
 	if (copy_from_user(&args, uargs, 3 * sizeof(u32)) != 0)
 		return -EFAULT;
 


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#1264525 — [PATCH 4.2 017/110] drm: fix mutex leak in drm_dp_get_mst_branch_device

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 017/110] drm: fix mutex leak in drm_dp_get_mst_branch_device
Message-ID	<qrWh4-13l-13@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Adam Richter <adamrichter4@gmail.com>

commit 30730c7f5943b3beace1e29f7f1476e05de3da14 upstream.

In Linux 4.3-rc5, there is an error case in drm_dp_get_branch_device
that returns without releasing mgr->lock, resulting a spew of kernel
messages about a kernel work function possibly having leaked a mutex
and presumably more serious adverse consequences later.  This patch
changes the error to "goto out" to unlock the mutex before returning.

[airlied: grabbed from drm-next as it fixes something we've seen]

Signed-off-by: Adam J. Richter <adam_richter2004@yahoo.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/drm_dp_mst_topology.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1193,17 +1193,18 @@ static struct drm_dp_mst_branch *drm_dp_
 
 		list_for_each_entry(port, &mstb->ports, next) {
 			if (port->port_num == port_num) {
-				if (!port->mstb) {
+				mstb = port->mstb;
+				if (!mstb) {
 					DRM_ERROR("failed to lookup MSTB with lct %d, rad %02x\n", lct, rad[0]);
-					return NULL;
+					goto out;
 				}
 
-				mstb = port->mstb;
 				break;
 			}
 		}
 	}
 	kref_get(&mstb->kref);
+out:
 	mutex_unlock(&mgr->lock);
 	return mstb;
 }


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#1264527 — [PATCH 4.2 010/110] iwlwifi: mvm: init card correctly on ctkill exit check

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 010/110] iwlwifi: mvm: init card correctly on ctkill exit check
Message-ID	<qrWh4-13l-19@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Arik Nemtsov <arik@wizery.com>

commit 1a3fe0b2b6778b7866e2b3f5c9a299d5e9bbd89c upstream.

During the CT-kill exit flow, the card is powered up and partially
initialized to check if the temperature is already low enough.
Unfortunately the init bails early because the CT-kill flag is set.
Make the code bail early only for HW RF-kill, as was intended by the
author. CT-kill is self-imposed and is not really RF-kill.

Fixes: 31b8b343e019 ("iwlwifi: fix RFkill while calibrating")
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/iwlwifi/mvm/fw.c  |    4 ++--
 drivers/net/wireless/iwlwifi/mvm/mvm.h |    5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -364,7 +364,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mv
 	 * abort after reading the nvm in case RF Kill is on, we will complete
 	 * the init seq later when RF kill will switch to off
 	 */
-	if (iwl_mvm_is_radio_killed(mvm)) {
+	if (iwl_mvm_is_radio_hw_killed(mvm)) {
 		IWL_DEBUG_RF_KILL(mvm,
 				  "jump over all phy activities due to RF kill\n");
 		iwl_remove_notification(&mvm->notif_wait, &calib_wait);
@@ -397,7 +397,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mv
 	ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
 			MVM_UCODE_CALIB_TIMEOUT);
 
-	if (ret && iwl_mvm_is_radio_killed(mvm)) {
+	if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
 		IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
 		ret = 1;
 	}
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -848,6 +848,11 @@ static inline bool iwl_mvm_is_radio_kill
 	       test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 }
 
+static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
+{
+	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
+}
+
 /* Must be called with rcu_read_lock() held and it can only be
  * released when mvmsta is not needed anymore.
  */


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#1264528 — [PATCH 4.2 014/110] iommu/amd: Fix BUG when faulting a PROT_NONE VMA

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 014/110] iommu/amd: Fix BUG when faulting a PROT_NONE VMA
Message-ID	<qrWh4-13l-21@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Jay Cornwall <jay@jcornwall.me>

commit d14f6fced5f9360edca5a1325ddb7077aab1203b upstream.

handle_mm_fault indirectly triggers a BUG in do_numa_page
when given a VMA without read/write/execute access. Check
this condition in do_fault.

do_fault -> handle_mm_fault -> handle_pte_fault -> do_numa_page

  mm/memory.c
  3147  static int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
  ....
  3159  /* A PROT_NONE fault should not end up here */
  3160  BUG_ON(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)));

Signed-off-by: Jay Cornwall <jay@jcornwall.me>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/iommu/amd_iommu_v2.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -516,6 +516,13 @@ static void do_fault(struct work_struct
 		goto out;
 	}
 
+	if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) {
+		/* handle_mm_fault would BUG_ON() */
+		up_read(&mm->mmap_sem);
+		handle_fault_error(fault);
+		goto out;
+	}
+
 	ret = handle_mm_fault(mm, vma, address, write);
 	if (ret & VM_FAULT_ERROR) {
 		/* failed to service fault */


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#1264535 — [PATCH 4.2 002/110] ath9k: declare required extra tx headroom

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 002/110] ath9k: declare required extra tx headroom
Message-ID	<qrWh5-13l-33@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Felix Fietkau <nbd@openwrt.org>

commit 029cd0370241641eb70235d205aa0b90c84dce44 upstream.

ath9k inserts padding between the 802.11 header and the data area (to
align it). Since it didn't declare this extra required headroom, this
led to some nasty issues like randomly dropped packets in some setups.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/init.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -874,6 +874,7 @@ static void ath9k_set_hw_capab(struct at
 	hw->max_rate_tries = 10;
 	hw->sta_data_size = sizeof(struct ath_node);
 	hw->vif_data_size = sizeof(struct ath_vif);
+	hw->extra_tx_headroom = 4;
 
 	hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1;
 	hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1;


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#1264540 — [PATCH 4.2 011/110] iwlwifi: mvm: flush fw_dump_wk when mvm fails to start

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 011/110] iwlwifi: mvm: flush fw_dump_wk when mvm fails to start
Message-ID	<qrWh5-13l-43@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Andrei Otcheretianski <andrei.otcheretianski@intel.com>

commit dbf73d4a8bb8f4e1d1f3edd3be825692279e2ef3 upstream.

FW dump may be triggered when running init ucode, for example due to a
sysassert. In this case fw_dump_wk may run after mvm is freed, resulting
in a kernel panic.
Fix it by flushing the work.

Fixes: 01b988a708af ("iwlwifi: mvm: allow to collect debug data when restart is disabled")
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/iwlwifi/mvm/ops.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -582,6 +582,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *
 	ieee80211_unregister_hw(mvm->hw);
 	iwl_mvm_leds_exit(mvm);
  out_free:
+	flush_delayed_work(&mvm->fw_dump_wk);
 	iwl_phy_db_free(mvm->phy_db);
 	kfree(mvm->scan_cmd);
 	if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name)


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#1264541 — [PATCH 4.2 021/110] [media] si2157: Bounds check firmware

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 021/110] [media] si2157: Bounds check firmware
Message-ID	<qrWh5-13l-45@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Laura Abbott <labbott@fedoraproject.org>

commit a828d72df216c36e9c40b6c24dc4b17b6f7b5a76 upstream.

When reading the firmware and sending commands, the length
must be bounds checked to avoid overrunning the size of the command
buffer and smashing the stack if the firmware is not in the
expected format. Add the proper check.

Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/tuners/si2157.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -166,6 +166,10 @@ static int si2157_init(struct dvb_fronte
 
 	for (remaining = fw->size; remaining > 0; remaining -= 17) {
 		len = fw->data[fw->size - remaining];
+		if (len > SI2157_ARGLEN) {
+			dev_err(&client->dev, "Bad firmware length\n");
+			goto err_release_firmware;
+		}
 		memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
 		cmd.wlen = len;
 		cmd.rlen = 1;


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#1264544 — [PATCH 4.2 013/110] iommu/vt-d: fix range computation when making room for large pages

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 013/110] iommu/vt-d: fix range computation when making room for large pages
Message-ID	<qrWh5-13l-53@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Christian Zander <christian@nervanasys.com>

commit ba2374fd2bf379f933773811fdb06cb6a5445f41 upstream.

In preparation for the installation of a large page, any small page
tables that may still exist in the target IOV address range are
removed.  However, if a scatter/gather list entry is large enough to
fit more than one large page, the address space for any subsequent
large pages is not cleared of conflicting small page tables.

This can cause legitimate mapping requests to fail with errors of the
form below, potentially followed by a series of IOMMU faults:

ERROR: DMA PTE for vPFN 0xfde00 already set (to 7f83a4003 not 7e9e00083)

In this example, a 4MiB scatter/gather list entry resulted in the
successful installation of a large page @ vPFN 0xfdc00, followed by
a failed attempt to install another large page @ vPFN 0xfde00, due to
the presence of a pointer to a small page table @ 0x7f83a4000.

To address this problem, compute the number of large pages that fit
into a given scatter/gather list entry, and use it to derive the
last vPFN covered by the large page(s).

Signed-off-by: Christian Zander <christian@nervanasys.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/iommu/intel-iommu.c |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2109,15 +2109,19 @@ static int __domain_mapping(struct dmar_
 				return -ENOMEM;
 			/* It is large page*/
 			if (largepage_lvl > 1) {
+				unsigned long nr_superpages, end_pfn;
+
 				pteval |= DMA_PTE_LARGE_PAGE;
 				lvl_pages = lvl_to_nr_pages(largepage_lvl);
+
+				nr_superpages = sg_res / lvl_pages;
+				end_pfn = iov_pfn + nr_superpages * lvl_pages - 1;
+
 				/*
 				 * Ensure that old small page tables are
-				 * removed to make room for superpage,
-				 * if they exist.
+				 * removed to make room for superpage(s).
 				 */
-				dma_pte_free_pagetable(domain, iov_pfn,
-						       iov_pfn + lvl_pages - 1);
+				dma_pte_free_pagetable(domain, iov_pfn, end_pfn);
 			} else {
 				pteval &= ~(uint64_t)DMA_PTE_LARGE_PAGE;
 			}


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#1264545 — [PATCH 4.2 015/110] iommu/amd: Dont clear DTE flags when modifying it

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 015/110] iommu/amd: Dont clear DTE flags when modifying it
Message-ID	<qrWh5-13l-55@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Joerg Roedel <jroedel@suse.de>

commit cbf3ccd09d683abf1cacd36e3640872ee912d99b upstream.

During device assignment/deassignment the flags in the DTE
get lost, which might cause spurious faults, for example
when the device tries to access the system management range.
Fix this by not clearing the flags with the rest of the DTE.

Reported-by: G. Richard Bellamy <rbellamy@pteradigm.com>
Tested-by: G. Richard Bellamy <rbellamy@pteradigm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/iommu/amd_iommu.c       |    4 ++--
 drivers/iommu/amd_iommu_types.h |    1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1974,8 +1974,8 @@ static void set_dte_entry(u16 devid, str
 static void clear_dte_entry(u16 devid)
 {
 	/* remove entry from the device table seen by the hardware */
-	amd_iommu_dev_table[devid].data[0] = IOMMU_PTE_P | IOMMU_PTE_TV;
-	amd_iommu_dev_table[devid].data[1] = 0;
+	amd_iommu_dev_table[devid].data[0]  = IOMMU_PTE_P | IOMMU_PTE_TV;
+	amd_iommu_dev_table[devid].data[1] &= DTE_FLAG_MASK;
 
 	amd_iommu_apply_erratum_63(devid);
 }
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -295,6 +295,7 @@
 #define IOMMU_PTE_IR (1ULL << 61)
 #define IOMMU_PTE_IW (1ULL << 62)
 
+#define DTE_FLAG_MASK	(0x3ffULL << 32)
 #define DTE_FLAG_IOTLB	(0x01UL << 32)
 #define DTE_FLAG_GV	(0x01ULL << 55)
 #define DTE_GLX_SHIFT	(56)


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#1264548 — [PATCH 4.2 020/110] [media] m88ds3103: use own reg update_bits() implementation

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 020/110] [media] m88ds3103: use own reg update_bits() implementation
Message-ID	<qrWh5-13l-59@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Antti Palosaari <crope@iki.fi>

commit 56ea37da3b93dfe46cb5c3ee0ee4cc44229ece47 upstream.

Device stopped to tuning some channels after regmap conversion.
Reason is that regmap_update_bits() works a bit differently for
partially volatile registers than old homemade routine. Return
back to old routine in order to fix issue.

Fixes: 478932b16052f5ded74685d096ae920cd17d6424

Reported-by: Mark Clarkstone <hello@markclarkstone.co.uk>
Tested-by: Mark Clarkstone <hello@markclarkstone.co.uk>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/dvb-frontends/m88ds3103.c |   73 ++++++++++++++++++++------------
 1 file changed, 47 insertions(+), 26 deletions(-)

--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -18,6 +18,27 @@
 
 static struct dvb_frontend_ops m88ds3103_ops;
 
+/* write single register with mask */
+static int m88ds3103_update_bits(struct m88ds3103_dev *dev,
+				u8 reg, u8 mask, u8 val)
+{
+	int ret;
+	u8 tmp;
+
+	/* no need for read if whole reg is written */
+	if (mask != 0xff) {
+		ret = regmap_bulk_read(dev->regmap, reg, &tmp, 1);
+		if (ret)
+			return ret;
+
+		val &= mask;
+		tmp &= ~mask;
+		val |= tmp;
+	}
+
+	return regmap_bulk_write(dev->regmap, reg, &val, 1);
+}
+
 /* write reg val table using reg addr auto increment */
 static int m88ds3103_wr_reg_val_tab(struct m88ds3103_dev *dev,
 		const struct m88ds3103_reg_val *tab, int tab_len)
@@ -394,10 +415,10 @@ static int m88ds3103_set_frontend(struct
 			u8tmp2 = 0x00; /* 0b00 */
 			break;
 		}
-		ret = regmap_update_bits(dev->regmap, 0x22, 0xc0, u8tmp1 << 6);
+		ret = m88ds3103_update_bits(dev, 0x22, 0xc0, u8tmp1 << 6);
 		if (ret)
 			goto err;
-		ret = regmap_update_bits(dev->regmap, 0x24, 0xc0, u8tmp2 << 6);
+		ret = m88ds3103_update_bits(dev, 0x24, 0xc0, u8tmp2 << 6);
 		if (ret)
 			goto err;
 	}
@@ -455,13 +476,13 @@ static int m88ds3103_set_frontend(struct
 			if (ret)
 				goto err;
 		}
-		ret = regmap_update_bits(dev->regmap, 0x9d, 0x08, 0x08);
+		ret = m88ds3103_update_bits(dev, 0x9d, 0x08, 0x08);
 		if (ret)
 			goto err;
 		ret = regmap_write(dev->regmap, 0xf1, 0x01);
 		if (ret)
 			goto err;
-		ret = regmap_update_bits(dev->regmap, 0x30, 0x80, 0x80);
+		ret = m88ds3103_update_bits(dev, 0x30, 0x80, 0x80);
 		if (ret)
 			goto err;
 	}
@@ -498,7 +519,7 @@ static int m88ds3103_set_frontend(struct
 	switch (dev->cfg->ts_mode) {
 	case M88DS3103_TS_SERIAL:
 	case M88DS3103_TS_SERIAL_D7:
-		ret = regmap_update_bits(dev->regmap, 0x29, 0x20, u8tmp1);
+		ret = m88ds3103_update_bits(dev, 0x29, 0x20, u8tmp1);
 		if (ret)
 			goto err;
 		u8tmp1 = 0;
@@ -567,11 +588,11 @@ static int m88ds3103_set_frontend(struct
 	if (ret)
 		goto err;
 
-	ret = regmap_update_bits(dev->regmap, 0x4d, 0x02, dev->cfg->spec_inv << 1);
+	ret = m88ds3103_update_bits(dev, 0x4d, 0x02, dev->cfg->spec_inv << 1);
 	if (ret)
 		goto err;
 
-	ret = regmap_update_bits(dev->regmap, 0x30, 0x10, dev->cfg->agc_inv << 4);
+	ret = m88ds3103_update_bits(dev, 0x30, 0x10, dev->cfg->agc_inv << 4);
 	if (ret)
 		goto err;
 
@@ -625,13 +646,13 @@ static int m88ds3103_init(struct dvb_fro
 	dev->warm = false;
 
 	/* wake up device from sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x01);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x00);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x00);
 	if (ret)
 		goto err;
 
@@ -749,18 +770,18 @@ static int m88ds3103_sleep(struct dvb_fr
 		utmp = 0x29;
 	else
 		utmp = 0x27;
-	ret = regmap_update_bits(dev->regmap, utmp, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, utmp, 0x01, 0x00);
 	if (ret)
 		goto err;
 
 	/* sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
 	if (ret)
 		goto err;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
 	if (ret)
 		goto err;
 
@@ -992,12 +1013,12 @@ static int m88ds3103_set_tone(struct dvb
 	}
 
 	utmp = tone << 7 | dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
 	utmp = 1 << 2;
-	ret = regmap_update_bits(dev->regmap, 0xa1, reg_a1_mask, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa1, reg_a1_mask, utmp);
 	if (ret)
 		goto err;
 
@@ -1047,7 +1068,7 @@ static int m88ds3103_set_voltage(struct
 	voltage_dis ^= dev->cfg->lnb_en_pol;
 
 	utmp = voltage_dis << 1 | voltage_sel << 0;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0x03, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0x03, utmp);
 	if (ret)
 		goto err;
 
@@ -1080,7 +1101,7 @@ static int m88ds3103_diseqc_send_master_
 	}
 
 	utmp = dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
@@ -1115,12 +1136,12 @@ static int m88ds3103_diseqc_send_master_
 	} else {
 		dev_dbg(&client->dev, "diseqc tx timeout\n");
 
-		ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40);
+		ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
 		if (ret)
 			goto err;
 	}
 
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
 	if (ret)
 		goto err;
 
@@ -1152,7 +1173,7 @@ static int m88ds3103_diseqc_send_burst(s
 	}
 
 	utmp = dev->cfg->envelope_mode << 5;
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xe0, utmp);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xe0, utmp);
 	if (ret)
 		goto err;
 
@@ -1194,12 +1215,12 @@ static int m88ds3103_diseqc_send_burst(s
 	} else {
 		dev_dbg(&client->dev, "diseqc tx timeout\n");
 
-		ret = regmap_update_bits(dev->regmap, 0xa1, 0xc0, 0x40);
+		ret = m88ds3103_update_bits(dev, 0xa1, 0xc0, 0x40);
 		if (ret)
 			goto err;
 	}
 
-	ret = regmap_update_bits(dev->regmap, 0xa2, 0xc0, 0x80);
+	ret = m88ds3103_update_bits(dev, 0xa2, 0xc0, 0x80);
 	if (ret)
 		goto err;
 
@@ -1435,13 +1456,13 @@ static int m88ds3103_probe(struct i2c_cl
 		goto err_kfree;
 
 	/* sleep */
-	ret = regmap_update_bits(dev->regmap, 0x08, 0x01, 0x00);
+	ret = m88ds3103_update_bits(dev, 0x08, 0x01, 0x00);
 	if (ret)
 		goto err_kfree;
-	ret = regmap_update_bits(dev->regmap, 0x04, 0x01, 0x01);
+	ret = m88ds3103_update_bits(dev, 0x04, 0x01, 0x01);
 	if (ret)
 		goto err_kfree;
-	ret = regmap_update_bits(dev->regmap, 0x23, 0x10, 0x10);
+	ret = m88ds3103_update_bits(dev, 0x23, 0x10, 0x10);
 	if (ret)
 		goto err_kfree;
 


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#1264549 — [PATCH 4.2 001/110] mac80211: Fix hwflags debugfs file format

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-06 22:00 +0100
Subject	[PATCH 4.2 001/110] mac80211: Fix hwflags debugfs file format
Message-ID	<qrWh6-13l-63@gated-at.bofh.it>
In reply to	#1264492

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

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

From: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>

commit 4633dfc32c0019bed2996de9bbdbe7f3b518a44e upstream.

Commit 30686bf7f5b3 ("mac80211: convert HW flags to unsigned long
bitmap") accidentally removed the newline delimiter from the hwflags
debugfs file. Fix this by adding back the newline between the HW flags.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
[fix commit log]
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/mac80211/debugfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -148,7 +148,7 @@ static ssize_t hwflags_read(struct file
 
 	for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
 		if (test_bit(i, local->hw.flags))
-			pos += scnprintf(pos, end - pos, "%s",
+			pos += scnprintf(pos, end - pos, "%s\n",
 					 hw_flag_names[i]);
 	}
 


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#1264693

From	Guenter Roeck <linux@roeck-us.net>
Date	2015-11-07 02:50 +0100
Message-ID	<qs0NH-41w-3@gated-at.bofh.it>
In reply to	#1264492

On 11/06/2015 11:18 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.2.6 release.
> There are 110 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sun Nov  8 19:16:22 UTC 2015.
> Anything received after that time might be too late.
>

Build results:
	total: 144 pass: 144 fail: 0
Qemu test results:
	total: 94 pass: 94 fail: 0

Details are available at http://server.roeck-us.net:8010/builders.

Guenter

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#1264707

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-07 03:50 +0100
Message-ID	<qs1JM-4zz-7@gated-at.bofh.it>
In reply to	#1264693

On Fri, Nov 06, 2015 at 05:45:29PM -0800, Guenter Roeck wrote:
> On 11/06/2015 11:18 AM, Greg Kroah-Hartman wrote:
> >This is the start of the stable review cycle for the 4.2.6 release.
> >There are 110 patches in this series, all will be posted as a response
> >to this one.  If anyone has any issues with these being applied, please
> >let me know.
> >
> >Responses should be made by Sun Nov  8 19:16:22 UTC 2015.
> >Anything received after that time might be too late.
> >
> 
> Build results:
> 	total: 144 pass: 144 fail: 0
> Qemu test results:
> 	total: 94 pass: 94 fail: 0
> 
> Details are available at http://server.roeck-us.net:8010/builders.

Thanks for testing all of these and letting me know.

I'm still working on generating a git tree with these patches, hopefully
that happens in a week or so.

thanks,

greg k-h
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#1264711

From	Shuah Khan <shuahkh@osg.samsung.com>
Date	2015-11-07 04:00 +0100
Message-ID	<qs1Ts-4Dm-1@gated-at.bofh.it>
In reply to	#1264492

On 11/06/2015 12:18 PM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.2.6 release.
> There are 110 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun Nov  8 19:16:22 UTC 2015.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.2.6-rc1.gz
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

Compiled and booted on my test system. No dmesg regressions.

thanks,
-- Shuah


-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@osg.samsung.com | (970) 217-8978
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#1264717

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date	2015-11-07 04:10 +0100
Message-ID	<qs237-4Wl-1@gated-at.bofh.it>
In reply to	#1264711

On Fri, Nov 06, 2015 at 07:53:08PM -0700, Shuah Khan wrote:
> On 11/06/2015 12:18 PM, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.2.6 release.
> > There are 110 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Sun Nov  8 19:16:22 UTC 2015.
> > Anything received after that time might be too late.
> > 
> > The whole patch series can be found in one patch at:
> > 	kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.2.6-rc1.gz
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> Compiled and booted on my test system. No dmesg regressions.

Thanks for testing all of these and letting me know.

greg k-h
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#1265475

From	Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date	2015-11-09 10:30 +0100
Message-ID	<qsQVY-4xo-19@gated-at.bofh.it>
In reply to	#1264492

On Fri, Nov 06, 2015 at 11:18:07AM -0800, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.2.6 release.
> There are 110 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun Nov  8 19:16:22 UTC 2015.
> Anything received after that time might be too late.

I think its late for v4.2.6. Since I am travelling could not test on my
test system. But managed to test on my travis-ci.

tile and tilegx allmodconfig fails. Build log at:
https://travis-ci.org/sudipm-mukherjee/stable/builds/89798411

Known failure. Fix already in Linus tree.

Please consider upstream commit 3a48d13d76c0088a988a2e4f5b4d94872bdf58f3
for inclusion in v4.2.7

regards
sudip
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csiph-web

[PATCH 4.2 000/110] 4.2.6-stable review

Contents

#1264519 — [PATCH 4.2 026/110] ALSA: hda - Fix inverted internal mic on Lenovo G50-80

#1264524 — [PATCH 4.2 016/110] powerpc/rtas: Validate rtas.entry before calling enter_rtas()

#1264525 — [PATCH 4.2 017/110] drm: fix mutex leak in drm_dp_get_mst_branch_device

#1264527 — [PATCH 4.2 010/110] iwlwifi: mvm: init card correctly on ctkill exit check

#1264528 — [PATCH 4.2 014/110] iommu/amd: Fix BUG when faulting a PROT_NONE VMA

#1264535 — [PATCH 4.2 002/110] ath9k: declare required extra tx headroom

#1264540 — [PATCH 4.2 011/110] iwlwifi: mvm: flush fw_dump_wk when mvm fails to start

#1264541 — [PATCH 4.2 021/110] [media] si2157: Bounds check firmware

#1264544 — [PATCH 4.2 013/110] iommu/vt-d: fix range computation when making room for large pages

#1264545 — [PATCH 4.2 015/110] iommu/amd: Dont clear DTE flags when modifying it

#1264548 — [PATCH 4.2 020/110] [media] m88ds3103: use own reg update_bits() implementation

#1264549 — [PATCH 4.2 001/110] mac80211: Fix hwflags debugfs file format

#1264693

#1264707

#1264711

#1264717

#1265475