[Mesa-dev] [PATCH] intel: fix potential segfault error at intel_(un)map_texture_image

[Eric Anholt]

On Thu, 15 Sep 2011 16:02:49 +0800, Yuanhan Liu <yuanhan.liu at linux.intel.com> wrote:
> intel_image->mt might be NULL, say with border width set. It then would
> trigger a segfault at intel_map/unmap_texture_image function.
> 
> This would fix the oglc misctest(basic.textureBorderIgnore) fail.
> 
> Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>

Oops, never saw this, and sent a version of it out yesterday myself.

You shouldn't need the ->region check, since we shouldn't ever have a
miptree without one.  Other than that, go ahead and push.
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