Kristian Høgsberg b70d11da61 drm: Return EINVAL on duplicate objects in execbuffer object list
If userspace passes an object list with the same object appearing more
than once, we end up hitting the BUG_ON() in
i915_gem_object_set_to_gpu_domain() as it gets called a second time
for the same object.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2009-03-10 13:11:11 -07:00
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