diff -dwup3 -X excl.txt -r \dev\openib\ofw\gen1\branches\mlx4_30\trunk\core\bus\kernel\bus_port_mgr.c .\core\bus\kernel\bus_port_mgr.c
--- \dev\openib\ofw\gen1\branches\mlx4_30\trunk\core\bus\kernel\bus_port_mgr.c	Tue Aug 07 16:41:02 2012
+++ .\core\bus\kernel\bus_port_mgr.c	Thu Jul 26 16:38:31 2012
@@ -2053,7 +2053,7 @@ port_query_ipoib_ifc(
 			p_guid->Data4[0], p_guid->Data4[1], p_guid->Data4[2],
 			p_guid->Data4[3], p_guid->Data4[4], p_guid->Data4[5],
 			p_guid->Data4[6], p_guid->Data4[7]) );
-		return status;
+		return STATUS_NOT_SUPPORTED;
 	}
 
 	if( p_ifc_data->version != IPOIB_INTERFACE_DATA_VERSION )