[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [52576] trunk/blender/source/blender/ blenkernel/intern/node.c: fix for crash copying nodes, regression since last release.

[Campbell Barton]

Revision: 52576
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=52576
Author:   campbellbarton
Date:     2012-11-26 16:20:35 +0000 (Mon, 26 Nov 2012)
Log Message:
-----------
fix for crash copying nodes, regression since last release.

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/node.c

Modified: trunk/blender/source/blender/blenkernel/intern/node.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/node.c	2012-11-26 15:12:17 UTC (rev 52575)
+++ trunk/blender/source/blender/blenkernel/intern/node.c	2012-11-26 16:20:35 UTC (rev 52576)
@@ -406,13 +406,14 @@
 	
 	/* only shader nodes get pleasant preview updating this way, compo uses own system */
 	if (node->preview) {
-		if (ntree->type == NTREE_SHADER) {
+		if (ntree && (ntree->type == NTREE_SHADER)) {
 			nnode->preview = MEM_dupallocN(node->preview);
 			if (node->preview->rect)
 				nnode->preview->rect = MEM_dupallocN(node->preview->rect);
 		}
-		else 
+		else {
 			nnode->preview = NULL;
+		}
 	}
 	
 	if (ntree)