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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-14 11:29:30 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-18 20:51:53 +0000 |
| commit | b17993b7b29612369270567643bcff814f4b3d7f (patch) | |
| tree | 4d2f3fdbc2b7d2a494ef79f6b5dcffecd71dbcb7 /drivers/gpu/drm/i915/intel_display.c | |
| parent | 786d290cae849a8fc1145e969bfb0953072e3fc7 (diff) | |
| download | talos-op-linux-b17993b7b29612369270567643bcff814f4b3d7f.tar.gz talos-op-linux-b17993b7b29612369270567643bcff814f4b3d7f.zip | |
drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
On the DMA mapping error path, sg may be NULL (it has already been
marked as the last scatterlist entry), and we should avoid dereferencing
it again.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e227330223a7 ("drm/i915: avoid leaking DMA mappings")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: stable@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/20161114112930.2033-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
0 files changed, 0 insertions, 0 deletions
