[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [56977] trunk/blender/source/blender/bmesh /intern/bmesh_walkers_impl.c: Bug fix, IRC report.

[Ton Roosendaal]

Revision: 56977
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=56977
Author:   ton
Date:     2013-05-23 16:01:25 +0000 (Thu, 23 May 2013)
Log Message:
-----------
Bug fix, IRC report.

Mesh with very strange topology makes loop-select (ALT+select) crash.
Missing NULL check for do-while loop that can return NULL.

For Campbell: here's the file to check: http://www.pasteall.org/blend/21576

Modified Paths:
--------------
    trunk/blender/source/blender/bmesh/intern/bmesh_walkers_impl.c

Modified: trunk/blender/source/blender/bmesh/intern/bmesh_walkers_impl.c
===================================================================
--- trunk/blender/source/blender/bmesh/intern/bmesh_walkers_impl.c	2013-05-23 15:10:36 UTC (rev 56976)
+++ trunk/blender/source/blender/bmesh/intern/bmesh_walkers_impl.c	2013-05-23 16:01:25 UTC (rev 56977)
@@ -648,7 +648,7 @@
 			} while (true);
 		}
 
-		if (owalk.is_single == false && bm_edge_is_single(l->e)) {
+		if (owalk.is_single == false && l && bm_edge_is_single(l->e)) {
 			l = NULL;
 		}