drm: fix page_flip error handling
authorJoonyoung Shim <jy0922.shim@samsung.com>
Wed, 18 Apr 2012 04:47:02 +0000 (13:47 +0900)
committerDave Airlie <airlied@redhat.com>
Thu, 19 Apr 2012 13:36:51 +0000 (14:36 +0100)
Free event and restore event_space only when page_flip->flags has
DRM_MODE_PAGE_FLIP_EVENT if page_flip() is failed.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_crtc.c

Simple merge