[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [47321] trunk/blender/source/blender/nodes /intern/node_exec.c: Added NULL-pointer check to avoid crash in node editor .

[Konrad Kleine]

Revision: 47321
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=47321
Author:   kwk
Date:     2012-06-01 13:42:18 +0000 (Fri, 01 Jun 2012)
Log Message:
-----------
Added NULL-pointer check to avoid crash in node editor. Fixes #31664

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

Modified: trunk/blender/source/blender/nodes/intern/node_exec.c
===================================================================
--- trunk/blender/source/blender/nodes/intern/node_exec.c	2012-06-01 13:05:05 UTC (rev 47320)
+++ trunk/blender/source/blender/nodes/intern/node_exec.c	2012-06-01 13:42:18 UTC (rev 47321)
@@ -46,7 +46,9 @@
 /* for a given socket, find the actual stack entry */
 bNodeStack *node_get_socket_stack(bNodeStack *stack, bNodeSocket *sock)
 {
-	return stack + sock->stack_index;
+	if (stack && sock)
+		return stack + sock->stack_index;
+	return NULL;
 }
 
 void node_get_stack(bNode *node, bNodeStack *stack, bNodeStack **in, bNodeStack **out)