[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48865] trunk/blender/source/blender/ editors/space_node/node_edit.c: Fix #32051, Ungroup operator crashes.

[Lukas Toenne]

Revision: 48865
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48865
Author:   lukastoenne
Date:     2012-07-12 15:14:50 +0000 (Thu, 12 Jul 2012)
Log Message:
-----------
Fix #32051, Ungroup operator crashes. The link iterator can be invalidated when 
unconnected input links are removed.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/space_node/node_edit.c

Modified: trunk/blender/source/blender/editors/space_node/node_edit.c
===================================================================
--- trunk/blender/source/blender/editors/space_node/node_edit.c 2012-07-12 
14:41:52 UTC (rev 48864)
+++ trunk/blender/source/blender/editors/space_node/node_edit.c 2012-07-12 
15:14:50 UTC (rev 48865)
@@ -1200,7 +1200,8 @@
                        nodeRemLink(wgroup, link);
        }
        /* restore links from internal nodes */
-       for (link = wgroup->links.first; link; link = link->next) {
+       for (link = wgroup->links.first; link; link = linkn) {
+               linkn = link->next;
                /* indicates link to group input */
                if (!link->fromnode) {
                        /* NB: can't use find_group_node_input here,

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