YoungJun Cho 1dda680547
drm: delete unconsumed pending event list in drm_events_release ...
When there are unconsumed pending events, the events are
destroyed by calling destroy callback, but the events list
are remained, because there is no list_del().
It is possible that the page flip request is handled after
drm_events_release() is called and before drm_fb_release().
In this case a drm_pending_event is remained not freed.
So exynos driver checks again to remove it in its post
close routine. But the file_priv->event_list contains
undeleted ones, this can make oops for accessing invalid
memory.
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com >
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com >
Signed-off-by: Dave Airlie <airlied@redhat.com >
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1dda680547