drm/crtc_helper: avoid NULL-pointer dereference when encoder is NULL

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Maarten Maathuis 2009-09-01 03:39:04 +02:00 • committed by Dave Airlie
commit ff6fdbed8f