[Bf-blender-cvs] [b47c912] master: Fix (unreported) crash in 'Match movie length operator' in case of lost video texture file

[Alexander Romanov]

Commit: b47c912f4be877bf5511117864dfc2a5b30c0dca
Author: Alexander Romanov
Date:   Fri Dec 23 16:51:26 2016 +0300
Branches: master
https://developer.blender.org/rBb47c912f4be877bf5511117864dfc2a5b30c0dca

Fix (unreported) crash in 'Match movie length operator' in case of lost video texture file

===================================================================

M	source/blender/editors/space_image/image_ops.c

===================================================================

diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index f5da7d5..6a1c0e7 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -1475,7 +1475,10 @@ static int image_match_len_exec(bContext *C, wmOperator *UNUSED(op))
 	if (!ima || !iuser || !BKE_image_has_anim(ima))
 		return OPERATOR_CANCELLED;
 
-	iuser->frames = IMB_anim_get_duration(((ImageAnim *) ima->anims.first)->anim, IMB_TC_RECORD_RUN);
+	struct ImageAnim *anim = ((ImageAnim *)ima->anims.first)->anim;
+	if (!anim)
+		return OPERATOR_CANCELLED;
+	iuser->frames = IMB_anim_get_duration(anim, IMB_TC_RECORD_RUN);
 	BKE_image_user_frame_calc(iuser, scene->r.cfra, 0);
 
 	return OPERATOR_FINISHED;