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[PATCH 4.9 00/66] 4.9.7-stable review

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  [PATCH 4.9 00/66] 4.9.7-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 53/66] IB/umem: Release pid in error and ODP flow Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 40/66] NFSv4.0: always send mode in SETATTR after EXCLUSIVE4 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 43/66] [media] pctv452e: move buffer to heap, no mutex Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 28/66] s390/ptrace: Preserve previous registers for short regset write Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 22/66] ISDN: eicon: silence misleading array-bounds warning Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 57/66] pinctrl: broxton: Use correct PADCFGLOCK offset Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 41/66] SUNRPC: cleanup ida information when removing sunrpc module Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 35/66] ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 44/66] [media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 38/66] nfs: Dont increment lock sequence ID after NFS4ERR_MOVED Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 37/66] parisc: Dont use BITS_PER_LONG in userspace-exported swab.h header Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 39/66] NFSv4.1: Fix a deadlock in layoutget Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 32/66] IB/srp: fix invalid indirect_sg_entries parameter value Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 54/66] IB/rxe: Fix rxe dev insertion to rxe_dev_list Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 48/66] drm/i915: prevent crash with .disable_display parameter Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 06:50 +0100
    [PATCH 4.9 03/66] drm: Schedule the output_poll_work with 1s delay if we have delayed event Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 56/66] [media] s5k4ecgx: select CRC32 helper Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 29/66] IB/cxgb3: fix misspelling in header guard Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 23/66] Btrfs: remove old tree_root case in btrfs_read_locked_inode() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 64/66] mm, memcg: do not retry precharge charges Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 12/66] mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 30/66] IB/iser: Fix sg_tablesize calculation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 15/66] mm, page_alloc: fix fast-path race with cpuset update or removal Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 01/66] fbdev: color map copying bounds checking Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 25/66] Btrfs: remove ->{get, set}_acl() from btrfs_dir_ro_inode_operations Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 65/66] perf/core: Fix concurrent sys_perf_event_open() vs. move_group race Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 13/66] mm/mempolicy.c: do not put mempolicy before using its nodemask Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 46/66] [media] v4l: tvp5150: Dont override output pinmuxing at stream on/off time Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 16/66] mm, page_alloc: move cpuset seqcount checking to slowpath Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 24/66] Btrfs: disable xattr operations on subvolume directories Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 55/66] IB/rxe: Prevent from completer to operate on non valid QP Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 62/66] platform/x86: mlx-platform: free first dev on error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 63/66] platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 11/66] drm/atomic: clear out fence when duplicating state Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 61/66] virtio_mmio: Set DMA masks appropriately Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 07/66] drm/vc4: Fix an integer overflow in temporary allocation layout. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 59/66] pinctrl: baytrail: Rectify debounce support Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 06/66] drm/vc4: Fix memory leak of the CRTC state. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 10/66] Revert "drm/radeon: always apply pci shutdown callbacks" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 14/66] mm, page_alloc: fix check for NULL preferred_zone Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 17/66] mm, page_alloc: fix premature OOM when racing with cpuset mems update Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    [PATCH 4.9 60/66] memory_hotplug: make zone_can_shift() return a boolean value Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 07:00 +0100
    Re: [PATCH 4.9 00/66] 4.9.7-stable review Guenter Roeck <linux@roeck-us.net> - 2017-01-31 19:30 +0100
      Re: [PATCH 4.9 00/66] 4.9.7-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-01-31 21:20 +0100
    Re: [PATCH 4.9 00/66] 4.9.7-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2017-01-31 23:20 +0100
      Re: [PATCH 4.9 00/66] 4.9.7-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-02-01 08:30 +0100

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#1570353 — [PATCH 4.9 00/66] 4.9.7-stable review

This is the start of the stable review cycle for the 4.9.7 release.
There are 66 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 Thu Feb  2 05:35:45 UTC 2017.
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-4.9.7-rc1.gz
or in the git tree and branch at:
  git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 4.9.7-rc1

Francisco Jerez <currojerez@riseup.net>
    drm/i915: Remove WaDisableLSQCROPERFforOCL KBL workaround.

Peter Zijlstra <peterz@infradead.org>
    perf/core: Fix concurrent sys_perf_event_open() vs. 'move_group' race

David Rientjes <rientjes@google.com>
    mm, memcg: do not retry precharge charges

Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT

Dan Carpenter <dan.carpenter@oracle.com>
    platform/x86: mlx-platform: free first dev on error

Robin Murphy <robin.murphy@arm.com>
    virtio_mmio: Set DMA masks appropriately

Yasuaki Ishimatsu <yasu.isimatu@gmail.com>
    memory_hotplug: make zone_can_shift() return a boolean value

Andy Shevchenko <andriy.shevchenko@linux.intel.com>
    pinctrl: baytrail: Rectify debounce support

Masahiro Yamada <yamada.masahiro@socionext.com>
    pinctrl: uniphier: fix Ethernet (RMII) pin-mux setting for LD20

Mika Westerberg <mika.westerberg@linux.intel.com>
    pinctrl: broxton: Use correct PADCFGLOCK offset

Arnd Bergmann <arnd@arndb.de>
    s5k4ecgx: select CRC32 helper

Yonatan Cohen <yonatanc@mellanox.com>
    IB/rxe: Prevent from completer to operate on non valid QP

Maor Gottlieb <maorg@mellanox.com>
    IB/rxe: Fix rxe dev insertion to rxe_dev_list

Kenneth Lee <liguozhu@hisilicon.com>
    IB/umem: Release pid in error and ODP flow

Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
    drm/i915: Check for NULL atomic state in intel_crtc_disable_noatomic()

Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
    drm/i915: Fix calculation of rotated x and y offsets for planar formats

Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
    drm/i915: Don't init hpd polling for vlv and chv from runtime_suspend()

Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
    drm/i915: Don't leak edid in intel_crt_detect_ddc()

Clint Taylor <clinton.a.taylor@intel.com>
    drm/i915: prevent crash with .disable_display parameter

Chris Wilson <chris@chris-wilson.co.uk>
    drm/i915: Clear ret before unbinding in i915_gem_evict_something()

Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    v4l: tvp5150: Don't override output pinmuxing at stream on/off time

Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    v4l: tvp5150: Fix comment regarding output pin muxing

Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    v4l: tvp5150: Reset device at probe time, not in get/set format handlers

Max Kellermann <max.kellermann@gmail.com>
    pctv452e: move buffer to heap, no mutex

Steve Wise <swise@opengridcomputing.com>
    iw_cxgb4: free EQ queue memory on last deref

Kinglong Mee <kinglongmee@gmail.com>
    SUNRPC: cleanup ida information when removing sunrpc module

Benjamin Coddington <bcodding@redhat.com>
    NFSv4.0: always send mode in SETATTR after EXCLUSIVE4

Trond Myklebust <trond.myklebust@primarydata.com>
    NFSv4.1: Fix a deadlock in layoutget

Chuck Lever <chuck.lever@oracle.com>
    nfs: Don't increment lock sequence ID after NFS4ERR_MOVED

Helge Deller <deller@gmx.de>
    parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header

Vineet Gupta <vgupta@synopsys.com>
    ARC: [arcompact] handle unaligned access delay slot corner case

Vineet Gupta <vgupta@synopsys.com>
    ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list

Yegor Yefremov <yegorslists@googlemail.com>
    can: ti_hecc: add missing prepare and unprepare of the clock

Einar Jón <tolvupostur@gmail.com>
    can: c_can_pci: fix null-pointer-deref in c_can_start() - set device pointer

Israel Rukshin <israelr@mellanox.com>
    IB/srp: fix invalid indirect_sg_entries parameter value

Israel Rukshin <israelr@mellanox.com>
    IB/srp: fix mr allocation when the device supports sg gaps

Max Gurtovoy <maxg@mellanox.com>
    IB/iser: Fix sg_tablesize calculation

Nicolas Iooss <nicolas.iooss_linux@m4x.org>
    IB/cxgb3: fix misspelling in header guard

Martin Schwidefsky <schwidefsky@de.ibm.com>
    s390/ptrace: Preserve previous registers for short regset write

Christian Borntraeger <borntraeger@de.ibm.com>
    s390/mm: Fix cmma unused transfer from pgste into pte

Jack Morgenstein <jackm@dev.mellanox.co.il>
    RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled

Omar Sandoval <osandov@fb.com>
    Btrfs: remove ->{get, set}_acl() from btrfs_dir_ro_inode_operations

Omar Sandoval <osandov@fb.com>
    Btrfs: disable xattr operations on subvolume directories

Omar Sandoval <osandov@fb.com>
    Btrfs: remove old tree_root case in btrfs_read_locked_inode()

Arnd Bergmann <arnd@arndb.de>
    ISDN: eicon: silence misleading array-bounds warning

Brian Foster <bfoster@redhat.com>
    xfs: prevent quotacheck from overloading inode lru

Eric Dumazet <edumazet@google.com>
    sysctl: fix proc_doulongvec_ms_jiffies_minmax()

Nikolay Borisov <n.borisov.lkml@gmail.com>
    userns: Make ucounts lock irq-safe

Will Deacon <will.deacon@arm.com>
    vring: Force use of DMA API for ARM-based systems with legacy devices

Vlastimil Babka <vbabka@suse.cz>
    mm, page_alloc: fix premature OOM when racing with cpuset mems update

Vlastimil Babka <vbabka@suse.cz>
    mm, page_alloc: move cpuset seqcount checking to slowpath

Vlastimil Babka <vbabka@suse.cz>
    mm, page_alloc: fix fast-path race with cpuset update or removal

Vlastimil Babka <vbabka@suse.cz>
    mm, page_alloc: fix check for NULL preferred_zone

Vlastimil Babka <vbabka@suse.cz>
    mm/mempolicy.c: do not put mempolicy before using its nodemask

Keno Fischer <keno@juliacomputing.com>
    mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp

Lucas Stach <l.stach@pengutronix.de>
    drm/atomic: clear out fence when duplicating state

Alex Deucher <alexander.deucher@amd.com>
    Revert "drm/radeon: always apply pci shutdown callbacks"

Dan Carpenter <dan.carpenter@oracle.com>
    drm/vc4: fix a bounds check

Eric Anholt <eric@anholt.net>
    drm/vc4: Return -EINVAL on the overflow checks failing.

Eric Anholt <eric@anholt.net>
    drm/vc4: Fix an integer overflow in temporary allocation layout.

Eric Anholt <eric@anholt.net>
    drm/vc4: Fix memory leak of the CRTC state.

Ville Syrjälä <ville.syrjala@linux.intel.com>
    drm/i915: Ignore bogus plane coordinates on SKL when the plane is not visible

Takashi Iwai <tiwai@suse.de>
    drm: Fix broken VT switch with video=1366x768 option

Peter Ujfalusi <peter.ujfalusi@ti.com>
    drm: Schedule the output_poll_work with 1s delay if we have delayed event

Dave Martin <Dave.Martin@arm.com>
    tile/ptrace: Preserve previous registers for short regset write

Kees Cook <keescook@chromium.org>
    fbdev: color map copying bounds checking


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

Diffstat:

 Makefile                                         |   4 +-
 arch/arc/include/asm/delay.h                     |   4 +-
 arch/arc/kernel/unaligned.c                      |   3 +-
 arch/parisc/include/asm/bitops.h                 |   8 +-
 arch/parisc/include/uapi/asm/bitsperlong.h       |   2 -
 arch/parisc/include/uapi/asm/swab.h              |   5 +-
 arch/s390/kernel/ptrace.c                        |   8 ++
 arch/s390/mm/pgtable.c                           |   7 +-
 arch/tile/kernel/ptrace.c                        |   2 +-
 arch/x86/platform/mellanox/mlx-platform.c        |   2 +-
 drivers/base/memory.c                            |   4 +-
 drivers/gpu/drm/drm_atomic_helper.c              |   2 +
 drivers/gpu/drm/drm_modes.c                      |   7 ++
 drivers/gpu/drm/drm_probe_helper.c               |  12 +-
 drivers/gpu/drm/i915/i915_drv.c                  |   2 +-
 drivers/gpu/drm/i915/i915_gem_evict.c            |   1 +
 drivers/gpu/drm/i915/intel_crt.c                 |   9 +-
 drivers/gpu/drm/i915/intel_display.c             |  14 ++-
 drivers/gpu/drm/i915/intel_fbdev.c               |   3 +
 drivers/gpu/drm/i915/intel_lrc.c                 |   3 +-
 drivers/gpu/drm/i915/intel_ringbuffer.c          |   8 --
 drivers/gpu/drm/radeon/radeon_drv.c              |   7 +-
 drivers/gpu/drm/vc4/vc4_crtc.c                   |   2 +-
 drivers/gpu/drm/vc4/vc4_gem.c                    |   4 +-
 drivers/gpu/drm/vc4/vc4_render_cl.c              |   2 +-
 drivers/infiniband/core/cma.c                    |   3 +-
 drivers/infiniband/core/umem.c                   |   2 +
 drivers/infiniband/hw/cxgb4/device.c             |   9 ++
 drivers/infiniband/hw/cxgb4/iw_cxgb4.h           |  18 +++
 drivers/infiniband/hw/cxgb4/provider.c           |  20 +++-
 drivers/infiniband/hw/cxgb4/qp.c                 |  35 ++++--
 drivers/infiniband/sw/rxe/rxe_net.c              |   2 +-
 drivers/infiniband/sw/rxe/rxe_qp.c               |   3 +-
 drivers/infiniband/ulp/iser/iscsi_iser.c         |   7 --
 drivers/infiniband/ulp/srp/ib_srp.c              |  15 ++-
 drivers/isdn/hardware/eicon/message.c            |   3 +-
 drivers/media/i2c/Kconfig                        |   1 +
 drivers/media/i2c/tvp5150.c                      |  56 ++++++----
 drivers/media/i2c/tvp5150_reg.h                  |   9 ++
 drivers/media/usb/dvb-usb/pctv452e.c             | 133 ++++++++++++-----------
 drivers/net/can/c_can/c_can_pci.c                |   1 +
 drivers/net/can/ti_hecc.c                        |  16 ++-
 drivers/pinctrl/intel/pinctrl-baytrail.c         |  28 +++--
 drivers/pinctrl/intel/pinctrl-broxton.c          |   2 +-
 drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c |   2 +-
 drivers/platform/x86/intel_mid_powerbtn.c        |   2 +-
 drivers/video/fbdev/core/fbcmap.c                |  26 +++--
 drivers/virtio/virtio_mmio.c                     |  20 +++-
 drivers/virtio/virtio_ring.c                     |   7 ++
 fs/btrfs/inode.c                                 |   8 +-
 fs/nfs/nfs4proc.c                                |   4 +-
 fs/xfs/xfs_qm.c                                  |   3 +-
 include/linux/memory_hotplug.h                   |   4 +-
 include/linux/mmzone.h                           |   6 +-
 include/linux/nfs4.h                             |   3 +-
 include/linux/sunrpc/clnt.h                      |   1 +
 include/uapi/rdma/cxgb3-abi.h                    |   2 +-
 kernel/events/core.c                             |  58 +++++++++-
 kernel/sysctl.c                                  |   1 +
 kernel/ucount.c                                  |  14 ++-
 mm/huge_memory.c                                 |  18 ++-
 mm/memcontrol.c                                  |   4 +-
 mm/memory_hotplug.c                              |  28 +++--
 mm/mempolicy.c                                   |   2 +-
 mm/page_alloc.c                                  |  68 ++++++++----
 net/sunrpc/clnt.c                                |   5 +
 net/sunrpc/sunrpc_syms.c                         |   1 +
 67 files changed, 535 insertions(+), 240 deletions(-)

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#1570357 — [PATCH 4.9 53/66] IB/umem: Release pid in error and ODP flow

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

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

From: Kenneth Lee <liguozhu@hisilicon.com>

commit 828f6fa65ce7e80f77f5ab12942e44eb3d9d174e upstream.

1. Release pid before enter odp flow
2. Release pid when fail to allocate memory

Fixes: 87773dd56d54 ("IB: ib_umem_release() should decrement mm->pinned_vm from ib_umem_get")
Fixes: 8ada2c1c0c1d ("IB/core: Add support for on demand paging regions")
Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Reviewed-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/core/umem.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -134,6 +134,7 @@ struct ib_umem *ib_umem_get(struct ib_uc
 		 IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND));
 
 	if (access & IB_ACCESS_ON_DEMAND) {
+		put_pid(umem->pid);
 		ret = ib_umem_odp_get(context, umem);
 		if (ret) {
 			kfree(umem);
@@ -149,6 +150,7 @@ struct ib_umem *ib_umem_get(struct ib_uc
 
 	page_list = (struct page **) __get_free_page(GFP_KERNEL);
 	if (!page_list) {
+		put_pid(umem->pid);
 		kfree(umem);
 		return ERR_PTR(-ENOMEM);
 	}

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#1570358 — [PATCH 4.9 40/66] NFSv4.0: always send mode in SETATTR after EXCLUSIVE4

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

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

From: Benjamin Coddington <bcodding@redhat.com>

commit a430607b2ef7c3be090f88c71cfcb1b3988aa7c0 upstream.

Some nfsv4.0 servers may return a mode for the verifier following an open
with EXCLUSIVE4 createmode, but this does not mean the client should skip
setting the mode in the following SETATTR.  It should only do that for
EXCLUSIVE4_1 or UNGAURDED createmode.

Fixes: 5334c5bdac92 ("NFS: Send attributes in OPEN request for NFS4_CREATE_EXCLUSIVE4_1")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/nfs/nfs4proc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2678,7 +2678,8 @@ static inline void nfs4_exclusive_attrse
 		sattr->ia_valid |= ATTR_MTIME;
 
 	/* Except MODE, it seems harmless of setting twice. */
-	if ((attrset[1] & FATTR4_WORD1_MODE))
+	if (opendata->o_arg.createmode != NFS4_CREATE_EXCLUSIVE &&
+		attrset[1] & FATTR4_WORD1_MODE)
 		sattr->ia_valid &= ~ATTR_MODE;
 
 	if (attrset[2] & FATTR4_WORD2_SECURITY_LABEL)

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#1570359 — [PATCH 4.9 43/66] [media] pctv452e: move buffer to heap, no mutex

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

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

From: Max Kellermann <max.kellermann@gmail.com>

commit 48775cb73c2e26b7ca9d679875a6e570c8b8e124 upstream.

commit 73d5c5c864f4 ("[media] pctv452e: don't do DMA on stack") caused
a NULL pointer dereference which occurs when dvb_usb_init()
calls dvb_usb_device_power_ctrl() for the first time, before the
frontend has been attached. It also caused a recursive deadlock because
tt3650_ci_msg_locked() has already locked the mutex.

So, partially revert it, but move the buffer to the heap
(DMA capable), not to the stack (may not be DMA capable).
Instead of sharing one buffer which needs mutex protection,
do a new heap allocation for each call.

Fixes: commit 73d5c5c864f4 ("[media] pctv452e: don't do DMA on stack")

Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/usb/dvb-usb/pctv452e.c |  133 ++++++++++++++++++-----------------
 1 file changed, 72 insertions(+), 61 deletions(-)

--- a/drivers/media/usb/dvb-usb/pctv452e.c
+++ b/drivers/media/usb/dvb-usb/pctv452e.c
@@ -97,14 +97,13 @@ struct pctv452e_state {
 	u8 c;	   /* transaction counter, wraps around...  */
 	u8 initialized; /* set to 1 if 0x15 has been sent */
 	u16 last_rc_key;
-
-	unsigned char data[80];
 };
 
 static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data,
 			 unsigned int write_len, unsigned int read_len)
 {
 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
+	u8 *buf;
 	u8 id;
 	unsigned int rlen;
 	int ret;
@@ -114,36 +113,39 @@ static int tt3650_ci_msg(struct dvb_usb_
 		return -EIO;
 	}
 
-	mutex_lock(&state->ca_mutex);
+	buf = kmalloc(64, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
 	id = state->c++;
 
-	state->data[0] = SYNC_BYTE_OUT;
-	state->data[1] = id;
-	state->data[2] = cmd;
-	state->data[3] = write_len;
+	buf[0] = SYNC_BYTE_OUT;
+	buf[1] = id;
+	buf[2] = cmd;
+	buf[3] = write_len;
 
-	memcpy(state->data + 4, data, write_len);
+	memcpy(buf + 4, data, write_len);
 
 	rlen = (read_len > 0) ? 64 : 0;
-	ret = dvb_usb_generic_rw(d, state->data, 4 + write_len,
-				  state->data, rlen, /* delay_ms */ 0);
+	ret = dvb_usb_generic_rw(d, buf, 4 + write_len,
+				  buf, rlen, /* delay_ms */ 0);
 	if (0 != ret)
 		goto failed;
 
 	ret = -EIO;
-	if (SYNC_BYTE_IN != state->data[0] || id != state->data[1])
+	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
 		goto failed;
 
-	memcpy(data, state->data + 4, read_len);
+	memcpy(data, buf + 4, read_len);
 
-	mutex_unlock(&state->ca_mutex);
+	kfree(buf);
 	return 0;
 
 failed:
 	err("CI error %d; %02X %02X %02X -> %*ph.",
-	     ret, SYNC_BYTE_OUT, id, cmd, 3, state->data);
+	     ret, SYNC_BYTE_OUT, id, cmd, 3, buf);
 
-	mutex_unlock(&state->ca_mutex);
+	kfree(buf);
 	return ret;
 }
 
@@ -410,53 +412,57 @@ static int pctv452e_i2c_msg(struct dvb_u
 				u8 *rcv_buf, u8 rcv_len)
 {
 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
+	u8 *buf;
 	u8 id;
 	int ret;
 
-	mutex_lock(&state->ca_mutex);
+	buf = kmalloc(64, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
 	id = state->c++;
 
 	ret = -EINVAL;
 	if (snd_len > 64 - 7 || rcv_len > 64 - 7)
 		goto failed;
 
-	state->data[0] = SYNC_BYTE_OUT;
-	state->data[1] = id;
-	state->data[2] = PCTV_CMD_I2C;
-	state->data[3] = snd_len + 3;
-	state->data[4] = addr << 1;
-	state->data[5] = snd_len;
-	state->data[6] = rcv_len;
+	buf[0] = SYNC_BYTE_OUT;
+	buf[1] = id;
+	buf[2] = PCTV_CMD_I2C;
+	buf[3] = snd_len + 3;
+	buf[4] = addr << 1;
+	buf[5] = snd_len;
+	buf[6] = rcv_len;
 
-	memcpy(state->data + 7, snd_buf, snd_len);
+	memcpy(buf + 7, snd_buf, snd_len);
 
-	ret = dvb_usb_generic_rw(d, state->data, 7 + snd_len,
-				  state->data, /* rcv_len */ 64,
+	ret = dvb_usb_generic_rw(d, buf, 7 + snd_len,
+				  buf, /* rcv_len */ 64,
 				  /* delay_ms */ 0);
 	if (ret < 0)
 		goto failed;
 
 	/* TT USB protocol error. */
 	ret = -EIO;
-	if (SYNC_BYTE_IN != state->data[0] || id != state->data[1])
+	if (SYNC_BYTE_IN != buf[0] || id != buf[1])
 		goto failed;
 
 	/* I2C device didn't respond as expected. */
 	ret = -EREMOTEIO;
-	if (state->data[5] < snd_len || state->data[6] < rcv_len)
+	if (buf[5] < snd_len || buf[6] < rcv_len)
 		goto failed;
 
-	memcpy(rcv_buf, state->data + 7, rcv_len);
-	mutex_unlock(&state->ca_mutex);
+	memcpy(rcv_buf, buf + 7, rcv_len);
 
+	kfree(buf);
 	return rcv_len;
 
 failed:
 	err("I2C error %d; %02X %02X  %02X %02X %02X -> %*ph",
 	     ret, SYNC_BYTE_OUT, id, addr << 1, snd_len, rcv_len,
-	     7, state->data);
+	     7, buf);
 
-	mutex_unlock(&state->ca_mutex);
+	kfree(buf);
 	return ret;
 }
 
@@ -505,7 +511,7 @@ static u32 pctv452e_i2c_func(struct i2c_
 static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i)
 {
 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
-	u8 *rx;
+	u8 *b0, *rx;
 	int ret;
 
 	info("%s: %d\n", __func__, i);
@@ -516,11 +522,12 @@ static int pctv452e_power_ctrl(struct dv
 	if (state->initialized)
 		return 0;
 
-	rx = kmalloc(PCTV_ANSWER_LEN, GFP_KERNEL);
-	if (!rx)
+	b0 = kmalloc(5 + PCTV_ANSWER_LEN, GFP_KERNEL);
+	if (!b0)
 		return -ENOMEM;
 
-	mutex_lock(&state->ca_mutex);
+	rx = b0 + 5;
+
 	/* hmm where shoud this should go? */
 	ret = usb_set_interface(d->udev, 0, ISOC_INTERFACE_ALTERNATIVE);
 	if (ret != 0)
@@ -528,66 +535,70 @@ static int pctv452e_power_ctrl(struct dv
 			__func__, ret);
 
 	/* this is a one-time initialization, dont know where to put */
-	state->data[0] = 0xaa;
-	state->data[1] = state->c++;
-	state->data[2] = PCTV_CMD_RESET;
-	state->data[3] = 1;
-	state->data[4] = 0;
+	b0[0] = 0xaa;
+	b0[1] = state->c++;
+	b0[2] = PCTV_CMD_RESET;
+	b0[3] = 1;
+	b0[4] = 0;
 	/* reset board */
-	ret = dvb_usb_generic_rw(d, state->data, 5, rx, PCTV_ANSWER_LEN, 0);
+	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
 	if (ret)
 		goto ret;
 
-	state->data[1] = state->c++;
-	state->data[4] = 1;
+	b0[1] = state->c++;
+	b0[4] = 1;
 	/* reset board (again?) */
-	ret = dvb_usb_generic_rw(d, state->data, 5, rx, PCTV_ANSWER_LEN, 0);
+	ret = dvb_usb_generic_rw(d, b0, 5, rx, PCTV_ANSWER_LEN, 0);
 	if (ret)
 		goto ret;
 
 	state->initialized = 1;
 
 ret:
-	mutex_unlock(&state->ca_mutex);
-	kfree(rx);
+	kfree(b0);
 	return ret;
 }
 
 static int pctv452e_rc_query(struct dvb_usb_device *d)
 {
 	struct pctv452e_state *state = (struct pctv452e_state *)d->priv;
+	u8 *b, *rx;
 	int ret, i;
 	u8 id;
 
-	mutex_lock(&state->ca_mutex);
+	b = kmalloc(CMD_BUFFER_SIZE + PCTV_ANSWER_LEN, GFP_KERNEL);
+	if (!b)
+		return -ENOMEM;
+
+	rx = b + CMD_BUFFER_SIZE;
+
 	id = state->c++;
 
 	/* prepare command header  */
-	state->data[0] = SYNC_BYTE_OUT;
-	state->data[1] = id;
-	state->data[2] = PCTV_CMD_IR;
-	state->data[3] = 0;
+	b[0] = SYNC_BYTE_OUT;
+	b[1] = id;
+	b[2] = PCTV_CMD_IR;
+	b[3] = 0;
 
 	/* send ir request */
-	ret = dvb_usb_generic_rw(d, state->data, 4,
-				 state->data, PCTV_ANSWER_LEN, 0);
+	ret = dvb_usb_generic_rw(d, b, 4, rx, PCTV_ANSWER_LEN, 0);
 	if (ret != 0)
 		goto ret;
 
 	if (debug > 3) {
-		info("%s: read: %2d: %*ph: ", __func__, ret, 3, state->data);
-		for (i = 0; (i < state->data[3]) && ((i + 3) < PCTV_ANSWER_LEN); i++)
-			info(" %02x", state->data[i + 3]);
+		info("%s: read: %2d: %*ph: ", __func__, ret, 3, rx);
+		for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++)
+			info(" %02x", rx[i+3]);
 
 		info("\n");
 	}
 
-	if ((state->data[3] == 9) &&  (state->data[12] & 0x01)) {
+	if ((rx[3] == 9) &&  (rx[12] & 0x01)) {
 		/* got a "press" event */
-		state->last_rc_key = RC_SCANCODE_RC5(state->data[7], state->data[6]);
+		state->last_rc_key = RC_SCANCODE_RC5(rx[7], rx[6]);
 		if (debug > 2)
 			info("%s: cmd=0x%02x sys=0x%02x\n",
-				__func__, state->data[6], state->data[7]);
+				__func__, rx[6], rx[7]);
 
 		rc_keydown(d->rc_dev, RC_TYPE_RC5, state->last_rc_key, 0);
 	} else if (state->last_rc_key) {
@@ -595,7 +606,7 @@ static int pctv452e_rc_query(struct dvb_
 		state->last_rc_key = 0;
 	}
 ret:
-	mutex_unlock(&state->ca_mutex);
+	kfree(b);
 	return ret;
 }
 

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#1570361 — [PATCH 4.9 28/66] s390/ptrace: Preserve previous registers for short regset write

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

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

From: Martin Schwidefsky <schwidefsky@de.ibm.com>

commit 9dce990d2cf57b5ed4e71a9cdbd7eae4335111ff upstream.

Ensure that if userspace supplies insufficient data to
PTRACE_SETREGSET to fill all the registers, the thread's old
registers are preserved.

convert_vx_to_fp() is adapted to handle only a specified number of
registers rather than unconditionally handling all of them: other
callers of this function are adapted appropriately.

Based on an initial patch by Dave Martin.

Reported-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/s390/kernel/ptrace.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -963,6 +963,11 @@ static int s390_fpregs_set(struct task_s
 	if (target == current)
 		save_fpu_regs();
 
+	if (MACHINE_HAS_VX)
+		convert_vx_to_fp(fprs, target->thread.fpu.vxrs);
+	else
+		memcpy(&fprs, target->thread.fpu.fprs, sizeof(fprs));
+
 	/* If setting FPC, must validate it first. */
 	if (count > 0 && pos < offsetof(s390_fp_regs, fprs)) {
 		u32 ufpc[2] = { target->thread.fpu.fpc, 0 };
@@ -1067,6 +1072,9 @@ static int s390_vxrs_low_set(struct task
 	if (target == current)
 		save_fpu_regs();
 
+	for (i = 0; i < __NUM_VXRS_LOW; i++)
+		vxrs[i] = *((__u64 *)(target->thread.fpu.vxrs + i) + 1);
+
 	rc = user_regset_copyin(&pos, &count, &kbuf, &ubuf, vxrs, 0, -1);
 	if (rc == 0)
 		for (i = 0; i < __NUM_VXRS_LOW; i++)

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#1570363 — [PATCH 4.9 22/66] ISDN: eicon: silence misleading array-bounds warning

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

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

From: Arnd Bergmann <arnd@arndb.de>

commit 950eabbd6ddedc1b08350b9169a6a51b130ebaaf upstream.

With some gcc versions, we get a warning about the eicon driver,
and that currently shows up as the only remaining warning in one
of the build bots:

In file included from ../drivers/isdn/hardware/eicon/message.c:30:0:
eicon/message.c: In function 'mixer_notify_update':
eicon/platform.h:333:18: warning: array subscript is above array bounds [-Warray-bounds]

The code is easily changed to open-code the unusual PUT_WORD() line
causing this to avoid the warning.

Link: http://arm-soc.lixom.net/buildlogs/stable-rc/v4.4.45/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/isdn/hardware/eicon/message.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/isdn/hardware/eicon/message.c
+++ b/drivers/isdn/hardware/eicon/message.c
@@ -11297,7 +11297,8 @@ static void mixer_notify_update(PLCI *pl
 				((CAPI_MSG *) msg)->header.ncci = 0;
 				((CAPI_MSG *) msg)->info.facility_req.Selector = SELECTOR_LINE_INTERCONNECT;
 				((CAPI_MSG *) msg)->info.facility_req.structs[0] = 3;
-				PUT_WORD(&(((CAPI_MSG *) msg)->info.facility_req.structs[1]), LI_REQ_SILENT_UPDATE);
+				((CAPI_MSG *) msg)->info.facility_req.structs[1] = LI_REQ_SILENT_UPDATE & 0xff;
+				((CAPI_MSG *) msg)->info.facility_req.structs[2] = LI_REQ_SILENT_UPDATE >> 8;
 				((CAPI_MSG *) msg)->info.facility_req.structs[3] = 0;
 				w = api_put(notify_plci->appl, (CAPI_MSG *) msg);
 				if (w != _QUEUE_FULL)

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#1570364 — [PATCH 4.9 57/66] pinctrl: broxton: Use correct PADCFGLOCK offset

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

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

From: Mika Westerberg <mika.westerberg@linux.intel.com>

commit ecc8995363ee6231b32dad61c955b371b79cc4cf upstream.

PADCFGLOCK (and PADCFGLOCK_TX) offset in Broxton actually starts at 0x060
and not 0x090 as used in the driver. Fix it to use the correct offset.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/pinctrl/intel/pinctrl-broxton.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/pinctrl/intel/pinctrl-broxton.c
+++ b/drivers/pinctrl/intel/pinctrl-broxton.c
@@ -19,7 +19,7 @@
 
 #define BXT_PAD_OWN	0x020
 #define BXT_HOSTSW_OWN	0x080
-#define BXT_PADCFGLOCK	0x090
+#define BXT_PADCFGLOCK	0x060
 #define BXT_GPI_IE	0x110
 
 #define BXT_COMMUNITY(s, e)				\

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#1570365 — [PATCH 4.9 41/66] SUNRPC: cleanup ida information when removing sunrpc module

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

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

From: Kinglong Mee <kinglongmee@gmail.com>

commit c929ea0b910355e1876c64431f3d5802f95b3d75 upstream.

After removing sunrpc module, I get many kmemleak information as,
unreferenced object 0xffff88003316b1e0 (size 544):
  comm "gssproxy", pid 2148, jiffies 4294794465 (age 4200.081s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffffb0cfb58a>] kmemleak_alloc+0x4a/0xa0
    [<ffffffffb03507fe>] kmem_cache_alloc+0x15e/0x1f0
    [<ffffffffb0639baa>] ida_pre_get+0xaa/0x150
    [<ffffffffb0639cfd>] ida_simple_get+0xad/0x180
    [<ffffffffc06054fb>] nlmsvc_lookup_host+0x4ab/0x7f0 [lockd]
    [<ffffffffc0605e1d>] lockd+0x4d/0x270 [lockd]
    [<ffffffffc06061e5>] param_set_timeout+0x55/0x100 [lockd]
    [<ffffffffc06cba24>] svc_defer+0x114/0x3f0 [sunrpc]
    [<ffffffffc06cbbe7>] svc_defer+0x2d7/0x3f0 [sunrpc]
    [<ffffffffc06c71da>] rpc_show_info+0x8a/0x110 [sunrpc]
    [<ffffffffb044a33f>] proc_reg_write+0x7f/0xc0
    [<ffffffffb038e41f>] __vfs_write+0xdf/0x3c0
    [<ffffffffb0390f1f>] vfs_write+0xef/0x240
    [<ffffffffb0392fbd>] SyS_write+0xad/0x130
    [<ffffffffb0d06c37>] entry_SYSCALL_64_fastpath+0x1a/0xa9
    [<ffffffffffffffff>] 0xffffffffffffffff

I found, the ida information (dynamic memory) isn't cleanup.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Fixes: 2f048db4680a ("SUNRPC: Add an identifier for struct rpc_clnt")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 include/linux/sunrpc/clnt.h |    1 +
 net/sunrpc/clnt.c           |    5 +++++
 net/sunrpc/sunrpc_syms.c    |    1 +
 3 files changed, 7 insertions(+)

--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -216,5 +216,6 @@ void rpc_clnt_xprt_switch_put(struct rpc
 void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *, struct rpc_xprt *);
 bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
 			const struct sockaddr *sap);
+void rpc_cleanup_clids(void);
 #endif /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_CLNT_H */
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -336,6 +336,11 @@ out:
 
 static DEFINE_IDA(rpc_clids);
 
+void rpc_cleanup_clids(void)
+{
+	ida_destroy(&rpc_clids);
+}
+
 static int rpc_alloc_clid(struct rpc_clnt *clnt)
 {
 	int clid;
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -119,6 +119,7 @@ out:
 static void __exit
 cleanup_sunrpc(void)
 {
+	rpc_cleanup_clids();
 	rpcauth_remove_module();
 	cleanup_socket_xprt();
 	svc_cleanup_xprt_sock();

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#1570366 — [PATCH 4.9 35/66] ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list

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

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

From: Vineet Gupta <vgupta@synopsys.com>

commit 36425cd67052e3becf325fd4d3ba5691791ef7e4 upstream.

commit 3c7c7a2fc8811bc ("ARC: Don't use "+l" inline asm constraint")
modified the inline assembly to setup LP_COUNT register manually and NOT
rely on gcc to do it (with the +l inline assembler contraint hint, now
being retired in the compiler)

However the fix was flawed as we didn't add LP_COUNT to asm clobber list,
meaning gcc doesn't know that LP_COUNT or zero-delay-loops are in action
in the inline asm.

This resulted in some fun - as nested ZOL loops were being generared

| mov lp_count,250000 ;16 # tmp235,
| lp .L__GCC__LP14 #		<======= OUTER LOOP (gcc generated)
|   .L14:
|   ld r2, [r5] # MEM[(volatile u32 *)prephitmp_43], w
|   dmb 1
|   breq r2, -1, @.L21 #, w,,
|   bbit0 r2,1,@.L13 # w,,
|   ld r4,[r7] ;25 # loops_per_jiffy, loops_per_jiffy
|   mpymu r3,r4,r6 #, loops_per_jiffy, tmp234
|
|   mov lp_count, r3 #		 <====== INNER LOOP (from inline asm)
|   lp 1f
| 	 nop
|   1:
|   nop_s
| .L__GCC__LP14: ; loop end, start is @.L14 #,

This caused issues with drivers relying on sane behaviour of udelay
friends.

With LP_COUNT added to clobber list, gcc doesn't generate the outer
loop in say above case.

Addresses STAR 9001146134

Reported-by: Joao Pinto <jpinto@synopsys.com>
Fixes: 3c7c7a2fc8811bc ("ARC: Don't use "+l" inline asm constraint")
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arc/include/asm/delay.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/arch/arc/include/asm/delay.h
+++ b/arch/arc/include/asm/delay.h
@@ -26,7 +26,9 @@ static inline void __delay(unsigned long
 	"	lp  1f			\n"
 	"	nop			\n"
 	"1:				\n"
-	: : "r"(loops));
+	:
+        : "r"(loops)
+        : "lp_count");
 }
 
 extern void __bad_udelay(void);

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#1570367 — [PATCH 4.9 44/66] [media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers

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

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

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

commit aff808e813fc2d311137754165cf53d4ee6ddcc2 upstream.

The tvp5150 doesn't support format setting through the subdev pad API
and thus implements the set format handler as a get format operation.
The single handler, tvp5150_fill_fmt(), resets the device by calling
tvp5150_reset(). This causes malfunction as the device can be reset at
will, possibly from userspace when the subdev userspace API is enabled.

The reset call was added in commit ec2c4f3f93cb ("[media] media:
tvp5150: Add mbus_fmt callbacks"), probably as an attempt to set the
device to a known state before detecting the current TV standard.
However, the get format handler doesn't access the hardware to get the
TV standard since commit 963ddc63e20d ("[media] media: tvp5150: Add
cropping support"). There is thus no need to reset the device when
getting the format.

However, removing the tvp5150_reset() from the get/set format handlers
results in the function not being called at all if the bridge driver
doesn't use the .reset() operation. The operation is nowadays abused and
shouldn't be used, so shouldn't expect bridge drivers to call it. To
make sure the device is properly initialize, move the reset call from
the format handlers to the probe function.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/i2c/tvp5150.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/media/i2c/tvp5150.c
+++ b/drivers/media/i2c/tvp5150.c
@@ -858,8 +858,6 @@ static int tvp5150_fill_fmt(struct v4l2_
 
 	f = &format->format;
 
-	tvp5150_reset(sd, 0);
-
 	f->width = decoder->rect.width;
 	f->height = decoder->rect.height / 2;
 
@@ -1521,7 +1519,6 @@ static int tvp5150_probe(struct i2c_clie
 		res = core->hdl.error;
 		goto err;
 	}
-	v4l2_ctrl_handler_setup(&core->hdl);
 
 	/* Default is no cropping */
 	core->rect.top = 0;
@@ -1532,6 +1529,8 @@ static int tvp5150_probe(struct i2c_clie
 	core->rect.left = 0;
 	core->rect.width = TVP5150_H_MAX;
 
+	tvp5150_reset(sd, 0);	/* Calls v4l2_ctrl_handler_setup() */
+
 	res = v4l2_async_register_subdev(sd);
 	if (res < 0)
 		goto err;

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#1570372 — [PATCH 4.9 38/66] nfs: Dont increment lock sequence ID after NFS4ERR_MOVED

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

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

From: Chuck Lever <chuck.lever@oracle.com>

commit 059aa734824165507c65fd30a55ff000afd14983 upstream.

Xuan Qi reports that the Linux NFSv4 client failed to lock a file
that was migrated. The steps he observed on the wire:

1. The client sent a LOCK request to the source server
2. The source server replied NFS4ERR_MOVED
3. The client switched to the destination server
4. The client sent the same LOCK request to the destination
   server with a bumped lock sequence ID
5. The destination server rejected the LOCK request with
   NFS4ERR_BAD_SEQID

RFC 3530 section 8.1.5 provides a list of NFS errors which do not
bump a lock sequence ID.

However, RFC 3530 is now obsoleted by RFC 7530. In RFC 7530 section
9.1.7, this list has been updated by the addition of NFS4ERR_MOVED.

Reported-by: Xuan Qi <xuan.qi@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 include/linux/nfs4.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -282,7 +282,7 @@ enum nfsstat4 {
 
 static inline bool seqid_mutating_err(u32 err)
 {
-	/* rfc 3530 section 8.1.5: */
+	/* See RFC 7530, section 9.1.7 */
 	switch (err) {
 	case NFS4ERR_STALE_CLIENTID:
 	case NFS4ERR_STALE_STATEID:
@@ -291,6 +291,7 @@ static inline bool seqid_mutating_err(u3
 	case NFS4ERR_BADXDR:
 	case NFS4ERR_RESOURCE:
 	case NFS4ERR_NOFILEHANDLE:
+	case NFS4ERR_MOVED:
 		return false;
 	};
 	return true;

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#1570373 — [PATCH 4.9 37/66] parisc: Dont use BITS_PER_LONG in userspace-exported swab.h header

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

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

From: Helge Deller <deller@gmx.de>

commit 2ad5d52d42810bed95100a3d912679d8864421ec upstream.

In swab.h the "#if BITS_PER_LONG > 32" breaks compiling userspace programs if
BITS_PER_LONG is #defined by userspace with the sizeof() compiler builtin.

Solve this problem by using __BITS_PER_LONG instead.  Since we now
#include asm/bitsperlong.h avoid further potential userspace pollution
by moving the #define of SHIFT_PER_LONG to bitops.h which is not
exported to userspace.

This patch unbreaks compiling qemu on hppa/parisc.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/parisc/include/asm/bitops.h           |    8 +++++++-
 arch/parisc/include/uapi/asm/bitsperlong.h |    2 --
 arch/parisc/include/uapi/asm/swab.h        |    5 +++--
 3 files changed, 10 insertions(+), 5 deletions(-)

--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -6,7 +6,7 @@
 #endif
 
 #include <linux/compiler.h>
-#include <asm/types.h>		/* for BITS_PER_LONG/SHIFT_PER_LONG */
+#include <asm/types.h>
 #include <asm/byteorder.h>
 #include <asm/barrier.h>
 #include <linux/atomic.h>
@@ -17,6 +17,12 @@
  * to include/asm-i386/bitops.h or kerneldoc
  */
 
+#if __BITS_PER_LONG == 64
+#define SHIFT_PER_LONG 6
+#else
+#define SHIFT_PER_LONG 5
+#endif
+
 #define CHOP_SHIFTCOUNT(x) (((unsigned long) (x)) & (BITS_PER_LONG - 1))
 
 
--- a/arch/parisc/include/uapi/asm/bitsperlong.h
+++ b/arch/parisc/include/uapi/asm/bitsperlong.h
@@ -3,10 +3,8 @@
 
 #if defined(__LP64__)
 #define __BITS_PER_LONG 64
-#define SHIFT_PER_LONG 6
 #else
 #define __BITS_PER_LONG 32
-#define SHIFT_PER_LONG 5
 #endif
 
 #include <asm-generic/bitsperlong.h>
--- a/arch/parisc/include/uapi/asm/swab.h
+++ b/arch/parisc/include/uapi/asm/swab.h
@@ -1,6 +1,7 @@
 #ifndef _PARISC_SWAB_H
 #define _PARISC_SWAB_H
 
+#include <asm/bitsperlong.h>
 #include <linux/types.h>
 #include <linux/compiler.h>
 
@@ -38,7 +39,7 @@ static inline __attribute_const__ __u32
 }
 #define __arch_swab32 __arch_swab32
 
-#if BITS_PER_LONG > 32
+#if __BITS_PER_LONG > 32
 /*
 ** From "PA-RISC 2.0 Architecture", HP Professional Books.
 ** See Appendix I page 8 , "Endian Byte Swapping".
@@ -61,6 +62,6 @@ static inline __attribute_const__ __u64
 	return x;
 }
 #define __arch_swab64 __arch_swab64
-#endif /* BITS_PER_LONG > 32 */
+#endif /* __BITS_PER_LONG > 32 */
 
 #endif /* _PARISC_SWAB_H */

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#1570375 — [PATCH 4.9 39/66] NFSv4.1: Fix a deadlock in layoutget

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

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

From: Trond Myklebust <trond.myklebust@primarydata.com>

commit 8ac092519ad91931c96d306c4bfae2c6587c325f upstream.

We cannot call nfs4_handle_exception() without first ensuring that the
slot has been freed. If not, we end up deadlocking with the process
waiting for recovery to complete, and recovery waiting for the slot
table to drain.

Fixes: 2e80dbe7ac51 ("NFSv4.1: Close callback races for OPEN, LAYOUTGET...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/nfs/nfs4proc.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -8371,6 +8371,7 @@ nfs4_layoutget_handle_exception(struct r
 		goto out;
 	}
 
+	nfs4_sequence_free_slot(&lgp->res.seq_res);
 	err = nfs4_handle_exception(server, nfs4err, exception);
 	if (!status) {
 		if (exception->retry)

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#1570376 — [PATCH 4.9 32/66] IB/srp: fix invalid indirect_sg_entries parameter value

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

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

From: Israel Rukshin <israelr@mellanox.com>

commit 0a475ef4226e305bdcffe12b401ca1eab06c4913 upstream.

After setting indirect_sg_entries module_param to huge value (e.g 500,000),
srp_alloc_req_data() fails to allocate indirect descriptors for the request
ring (kmalloc fails). This commit enforces the maximum value of
indirect_sg_entries to be SG_MAX_SEGMENTS as signified in module param
description.

Fixes: 65e8617fba17 (scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTS)
Fixes: c07d424d6118 (IB/srp: add support for indirect tables that don't fit in SRP_CMD)
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>--
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/ulp/srp/ib_srp.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -3683,6 +3683,12 @@ static int __init srp_init_module(void)
 		indirect_sg_entries = cmd_sg_entries;
 	}
 
+	if (indirect_sg_entries > SG_MAX_SEGMENTS) {
+		pr_warn("Clamping indirect_sg_entries to %u\n",
+			SG_MAX_SEGMENTS);
+		indirect_sg_entries = SG_MAX_SEGMENTS;
+	}
+
 	srp_remove_wq = create_workqueue("srp_remove");
 	if (!srp_remove_wq) {
 		ret = -ENOMEM;

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#1570377 — [PATCH 4.9 54/66] IB/rxe: Fix rxe dev insertion to rxe_dev_list

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

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

From: Maor Gottlieb <maorg@mellanox.com>

commit f39f775218a7520e3700de2003c84a042c3b5972 upstream.

The first argument of list_add_tail is the new item and the second
is the head of the list. Fix the code to pass arguments in the
right order, otherwise not all the rxe devices will be removed
during teardown.

Fixes: 8700e3e7c4857 ('Soft RoCE driver')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/sw/rxe/rxe_net.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -554,7 +554,7 @@ struct rxe_dev *rxe_net_add(struct net_d
 	}
 
 	spin_lock_bh(&dev_list_lock);
-	list_add_tail(&rxe_dev_list, &rxe->list);
+	list_add_tail(&rxe->list, &rxe_dev_list);
 	spin_unlock_bh(&dev_list_lock);
 	return rxe;
 }

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#1570378 — [PATCH 4.9 48/66] drm/i915: prevent crash with .disable_display parameter

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

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

From: Clint Taylor <clinton.a.taylor@intel.com>

commit 27892bbdc9233f33bf0f44e08aab8f12e0dec142 upstream.

The .disable_display parameter was causing a fatal crash when fbdev
was dereferenced during driver init.

V1: protection in i915_drv.c
V2: Moved protection to intel_fbdev.c

Fixes: 43cee314345a ("drm/i915/fbdev: Limit the global async-domain synchronization")
Testcase: igt/drv_module_reload/basic-no-display
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1484775523-29428-1-git-send-email-clinton.a.taylor@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 5b8cd0755f8a06a851c436a013e7be0823fb155a)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/i915/intel_fbdev.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -745,6 +745,9 @@ void intel_fbdev_initial_config_async(st
 {
 	struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
 
+	if (!ifbdev)
+		return;
+
 	ifbdev->cookie = async_schedule(intel_fbdev_initial_config, ifbdev);
 }
 

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#1570381 — [PATCH 4.9 03/66] drm: Schedule the output_poll_work with 1s delay if we have delayed event

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

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

From: Peter Ujfalusi <peter.ujfalusi@ti.com>

commit 68f458eec7069d618a6c884ca007426e0cea411b upstream.

Instead of scheduling the work to handle the initial delayed event, use 1s
delay.

This delay should not be needed, but Optimus/nouveau will fail in a
mysterious way if the delayed event is handled as soon as possible like it
is done in drm_helper_probe_single_connector_modes() in case the poll
was enabled before.

Reverting 339fd36238dd would give back the 10 sec (!) delay to handle the
delayed event. Adding 1sec delay to the poll_work is enough to work around
the issue in Optimus setups and gives shorter response on handling the
initial delayed event.

Fixes: 339fd36238dd ("drm: drm_probe_helper: Fix output_poll_work scheduling")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[danvet: Add FIXME to the comment to make it stick out more.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170109143158.21917-1-peter.ujfalusi@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/drm_probe_helper.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -143,8 +143,18 @@ void drm_kms_helper_poll_enable_locked(s
 	}
 
 	if (dev->mode_config.delayed_event) {
+		/*
+		 * FIXME:
+		 *
+		 * Use short (1s) delay to handle the initial delayed event.
+		 * This delay should not be needed, but Optimus/nouveau will
+		 * fail in a mysterious way if the delayed event is handled as
+		 * soon as possible like it is done in
+		 * drm_helper_probe_single_connector_modes() in case the poll
+		 * was enabled before.
+		 */
 		poll = true;
-		delay = 0;
+		delay = HZ;
 	}
 
 	if (poll)

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#1570382 — [PATCH 4.9 56/66] [media] s5k4ecgx: select CRC32 helper

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

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

From: Arnd Bergmann <arnd@arndb.de>

commit c739c0a7c3c2472d7562b8f802cdce44d2597c8b upstream.

A rare randconfig build failure shows up in this driver when
the CRC32 helper is not there:

drivers/media/built-in.o: In function `s5k4ecgx_s_power':
s5k4ecgx.c:(.text+0x9eb4): undefined reference to `crc32_le'

This adds the 'select' that all other users of this function have.

Fixes: 8b99312b7214 ("[media] Add v4l2 subdev driver for S5K4ECGX sensor")

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/media/i2c/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -655,6 +655,7 @@ config VIDEO_S5K6A3
 config VIDEO_S5K4ECGX
         tristate "Samsung S5K4ECGX sensor support"
         depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
+	select CRC32
         ---help---
           This is a V4L2 sensor-level driver for Samsung S5K4ECGX 5M
           camera sensor with an embedded SoC image signal processor.

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#1570383 — [PATCH 4.9 29/66] IB/cxgb3: fix misspelling in header guard

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

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

From: Nicolas Iooss <nicolas.iooss_linux@m4x.org>

commit b1a27eac7fefff33ccf6acc919fc0725bf9815fb upstream.

Use CXGB3_... instead of CXBG3_...

Fixes: a85fb3383340 ("IB/cxgb3: Move user vendor structures")
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Steve Wise <swise@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 include/uapi/rdma/cxgb3-abi.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/uapi/rdma/cxgb3-abi.h
+++ b/include/uapi/rdma/cxgb3-abi.h
@@ -30,7 +30,7 @@
  * SOFTWARE.
  */
 #ifndef CXGB3_ABI_USER_H
-#define CXBG3_ABI_USER_H
+#define CXGB3_ABI_USER_H
 
 #include <linux/types.h>
 

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#1570384 — [PATCH 4.9 23/66] Btrfs: remove old tree_root case in btrfs_read_locked_inode()

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

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

From: Omar Sandoval <osandov@fb.com>

commit 67ade058ef2c65a3e56878af9c293ec76722a2e5 upstream.

As Jeff explained in c2951f32d36c ("btrfs: remove old tree_root dirent
processing in btrfs_real_readdir()"), supporting this old format is no
longer necessary since the Btrfs magic number has been updated since we
changed to the current format. There are other places where we still
handle this old format, but since this is part of a fix that is going to
stable, I'm only removing this one for now.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/btrfs/inode.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3819,10 +3819,7 @@ cache_acl:
 		break;
 	case S_IFDIR:
 		inode->i_fop = &btrfs_dir_file_operations;
-		if (root == root->fs_info->tree_root)
-			inode->i_op = &btrfs_dir_ro_inode_operations;
-		else
-			inode->i_op = &btrfs_dir_inode_operations;
+		inode->i_op = &btrfs_dir_inode_operations;
 		break;
 	case S_IFLNK:
 		inode->i_op = &btrfs_symlink_inode_operations;

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