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| author |   Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-10-17 16:09:08 +0100 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2017-10-18 09:25:39 +0100 |
| commit | cb8d50dfb341e9615c8d203a3e6513dae9ff901d (patch) | |
| tree | 0c1d9aa4c26c37fed29ce5e98030105b2742c2ce /include/uapi/drm | |
| parent | drm/i915: Use a mask when applying WaProgramL3SqcReg1Default (diff) | |
| download | linux-dev-cb8d50dfb341e9615c8d203a3e6513dae9ff901d.tar.xz linux-dev-cb8d50dfb341e9615c8d203a3e6513dae9ff901d.zip | |
drm/i915: Fixup userptr mmu notifier registration error handling
Avoid dereferencing the error pointer and also avoid returning NULL
from i915_mmu_notifier_find since the callers do not expect that.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 7741b547b6e0 ("drm/i915: Preallocate our mmu notifier workequeu to unbreak cpu hotplug deadlock")
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171017150908.12840-1-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'include/uapi/drm')
0 files changed, 0 insertions, 0 deletions