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actor: don't pass NULL to _stage_set_pick_buffer_valid

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This adds a check in clutter_actor_real_queue_redraw after calling
_clutter_actor_get_stage_internal to check in case the actor doesn't yet
have an associated stage so we can avoid passing a NULL stage pointer to
_clutter_stage_set_pick_buffer_valid which could cause a crash.
This commit is contained in:
Robert Bragg 2010-09-23 16:03:06 +01:00
parent 37d0dbe6b2
commit f66e1de0e3
1 changed files with 2 additions and 1 deletions
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clutter/clutter-actor.c
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@ -1802,7 +1802,8 @@ clutter_actor_real_queue_redraw (ClutterActor *self,
* invalidate the pick buffer in _clutter_stage_queue_actor_redraw * invalidate the pick buffer in _clutter_stage_queue_actor_redraw
*/ */
stage = _clutter_actor_get_stage_internal (self); stage = _clutter_actor_get_stage_internal (self);
_clutter_stage_set_pick_buffer_valid (CLUTTER_STAGE (stage), FALSE); if (stage != NULL)
_clutter_stage_set_pick_buffer_valid (CLUTTER_STAGE (stage), FALSE);
/* Although we could determine here that a full stage redraw /* Although we could determine here that a full stage redraw
* has already been queued and immediately bail out, we actually * has already been queued and immediately bail out, we actually