[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [57358] trunk/blender/source/blender/nodes /intern/node_common.c: Fix for crash when assigning NULL pointer to node group node_tree property .

[Lukas Toenne]

Revision: 57358
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=57358
Author:   lukastoenne
Date:     2013-06-10 17:48:41 +0000 (Mon, 10 Jun 2013)
Log Message:
-----------
Fix for crash when assigning NULL pointer to node group node_tree property. This is generally allowed (though operators usually would prevent it).

Modified Paths:
--------------
    trunk/blender/source/blender/nodes/intern/node_common.c

Modified: trunk/blender/source/blender/nodes/intern/node_common.c
===================================================================
--- trunk/blender/source/blender/nodes/intern/node_common.c	2013-06-10 15:11:13 UTC (rev 57357)
+++ trunk/blender/source/blender/nodes/intern/node_common.c	2013-06-10 17:48:41 UTC (rev 57358)
@@ -105,6 +105,12 @@
 	bNode *node;
 	int valid = 1;
 	
+	/* unspecified node group, generally allowed
+	 * (if anything, should be avoided on operator level)
+	 */
+	if (grouptree == NULL)
+		return 1;
+	
 	if (nodetree == grouptree)
 		return 0;