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(parent: bf5a269) | patch
drm/i915: Check for dev->primary->master before dereference.
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 6 Mar 2009 23:27:52 +0000 (23:27 +0000)
committerEric Anholt <eric@anholt.net>
Fri, 27 Mar 2009 22:12:17 +0000 (15:12 -0700)
commit98787c057fdefdce6230ff46f2c1105835005a4c
tree867347ab1bf0fb289cc6f7a18039d43b6a174e06tree | snapshot
parentbf5a269a4cc966f783b9faaf3fffd8fa31b53383commit | diff
drm/i915: Check for dev->primary->master before dereference.

I've hit the occasional oops inside i915_wait_ring() with an indication of
a NULL derefence of dev->primary->master.  Adding a NULL check is
consistent with the other potential users of dev->primary->master.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_dma.c diff | blob | history
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