linux/drivers/gpu
Chris Wilson 2420489bcb 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: e227330223 ("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>
(cherry picked from commit b17993b7b2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2016-11-30 12:07:05 +02:00
..
drm drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error 2016-11-30 12:07:05 +02:00
host1x drm/tegra: dsi: Enhance runtime power management 2016-08-24 15:58:57 +02:00
ipu-v3 gpu: ipu-v3: Use ERR_CAST instead of ERR_PTR(PTR_ERR()) 2016-10-17 08:21:53 +02:00
vga vgaarbiter: rst-ifiy and polish kerneldoc 2016-08-16 18:49:56 +02:00
Makefile