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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 16:18:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 16:18:51 -0800
commita0a28644c1cf191e514dd64bf438e69c178b8440 (patch)
tree4a5140d2f13692f91ca012d0eab146e9f366ce95 /sound/isa/es1688
parenta49e6f584e29785f9e5eb8dd31435746818dd5c4 (diff)
parent6f3e71c0c3f2479e05682e2e563b75decab36591 (diff)
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley: "A single fix this time: a fix for a virtqueue removal bug which only appears to affect S390, but which results in the queue hanging forever thus causing the machine to fail shutdown" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: virtio_scsi: Reject commands when virtqueue is broken
Diffstat (limited to 'sound/isa/es1688')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-25 17:53:51 +0000
- i915 unpin_work workqueue: intel_unpin_work_fn+0x58/0x140 [i915] process_one_work+0x1f1/0x480 worker_thread+0x48/0x4d0 kthread+0x101/0x140 and this patch purely papers over the issue by adding a NULL pointer check and a WARN_ON_ONCE() to avoid the oops that would then generally make the machine unresponsive. Other callers of i915_gem_object_to_ggtt() seem to also check for the returned pointer being NULL and warn about it, so this clearly has happened before in other places. [ Reported it originally to the i915 developers on Jan 8, applying the ugly workaround on my own now after triggering the problem for the second time with no feedback. This is likely to be the same bug reported as https://bugs.freedesktop.org/show_bug.cgi?id=98829 https://bugs.freedesktop.org/show_bug.cgi?id=99134 which has a patch for the underlying problem, but it hasn't gotten to me, so I'm applying the workaround. ] Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/serial/cyberjack.c')