[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [49454] trunk/blender/source/blender/ editors/object/object_modifier.c: fix for crash in 'Skin Armature Create' when the mesh doesnt have any skin data.

[Campbell Barton]

Revision: 49454
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=49454
Author:   campbellbarton
Date:     2012-08-01 14:37:13 +0000 (Wed, 01 Aug 2012)
Log Message:
-----------
fix for crash in 'Skin Armature Create' when the mesh doesnt have any skin data.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/object/object_modifier.c

Modified: trunk/blender/source/blender/editors/object/object_modifier.c
===================================================================
--- trunk/blender/source/blender/editors/object/object_modifier.c	2012-08-01 14:29:24 UTC (rev 49453)
+++ trunk/blender/source/blender/editors/object/object_modifier.c	2012-08-01 14:37:13 UTC (rev 49454)
@@ -1804,9 +1804,15 @@
 	Main *bmain = CTX_data_main(C);
 	Scene *scene = CTX_data_scene(C);
 	Object *ob = CTX_data_active_object(C), *arm_ob;
+	Mesh *me = ob->data;
 	ModifierData *skin_md;
 	ArmatureModifierData *arm_md;
 
+	if (!CustomData_has_layer(&me->vdata, CD_MVERT_SKIN)) {
+		BKE_reportf(op->reports, RPT_WARNING, "Mesh '%s' has no skin vertex data", me->id.name + 2);
+		return OPERATOR_CANCELLED;
+	}
+
 	/* create new armature */
 	arm_ob = modifier_skin_armature_create(scene, ob);