drm/r600: fix possible NULL pointer derefernce
authorAlex Deucher <alexdeucher@gmail.com>
Wed, 21 Jul 2010 00:29:32 +0000 (10:29 +1000)
committerDave Airlie <airlied@redhat.com>
Wed, 21 Jul 2010 00:29:32 +0000 (10:29 +1000)
Reported-by: Alexander Y. Fomichev <git.user@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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