[Bf-blender-cvs] [894513c7fd5] master: Fix (unreported): Crash if a right click is performed on an image datablock (open btn f.e.).

[Thomas Beck]

Commit: 894513c7fd561bacc21079891a80be7b640f29a1
Author: Thomas Beck
Date:   Tue May 9 20:12:25 2017 +0200
Branches: master
https://developer.blender.org/rB894513c7fd561bacc21079891a80be7b640f29a1

Fix (unreported): Crash if a right click is performed on an image datablock (open btn f.e.).

Only access/insert the button_pointer if it's not null...

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

M	source/blender/editors/interface/interface_handlers.c

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

diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index b50789ff897..bb30f827294 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -7012,7 +7012,8 @@ static bool ui_but_menu(bContext *C, uiBut *but)
 		}
 
 		/* Set the operator pointer for python access */
-		uiLayoutSetContextPointer(layout,"button_operator", but->opptr);
+		if (but->opptr)
+			uiLayoutSetContextPointer(layout,"button_operator", but->opptr);
 
 		uiItemS(layout);
 	}