[Intel-gfx] [PATCH] drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error

[Chris Wilson]

On Fri, Nov 18, 2016 at 05:19:58PM +0000, Matthew Auld wrote:
> On 14 November 2016 at 11:29, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > 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 at oracle.com>
> > Fixes: e227330223a7 ("drm/i915: avoid leaking DMA mappings")
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Imre Deak <imre.deak at intel.com>
> > Cc: stable at vger.kernel.org
> Reviewed-by: Matthew Auld <matthew.auld at intel.com>

Thanks for the review, pushed,
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre