Chris Wilson
9b2412f9ad
drm/i915: First recheck for an empty fence register.
...
If we wait upon a request and successfully unbind a buffer occupying a
fence register, then that slot will be freed and cause a NULL derefrence
upon rescanning.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
2009-03-10 20:22:24 -07:00
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