[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [51638] trunk/blender/source/blender/ python/intern/bpy_props.c: Fix #32973: crash adding python property with update=None parameter passed.

[Brecht Van Lommel]

Revision: 51638
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=51638
Author:   blendix
Date:     2012-10-25 22:37:05 +0000 (Thu, 25 Oct 2012)
Log Message:
-----------
Fix #32973: crash adding python property with update=None parameter passed.

Modified Paths:
--------------
    trunk/blender/source/blender/python/intern/bpy_props.c

Modified: trunk/blender/source/blender/python/intern/bpy_props.c
===================================================================
--- trunk/blender/source/blender/python/intern/bpy_props.c	2012-10-25 20:12:11 UTC (rev 51637)
+++ trunk/blender/source/blender/python/intern/bpy_props.c	2012-10-25 22:37:05 UTC (rev 51638)
@@ -260,7 +260,7 @@
 static int bpy_prop_callback_assign(struct PropertyRNA *prop, PyObject *update_cb)
 {
 	/* assume this is already checked for type and arg length */
-	if (update_cb) {
+	if (update_cb && update_cb != Py_None) {
 		PyObject **py_data = MEM_callocN(sizeof(PyObject *) * BPY_DATA_CB_SLOT_SIZE, __func__);
 		RNA_def_property_update_runtime(prop, (void *)bpy_prop_update_cb);
 		py_data[BPY_DATA_CB_SLOT_UPDATE] = update_cb;