--- zzzz-none-000/linux-2.6.32.60/net/bridge/br_notify.c	2012-10-07 21:41:24.000000000 +0000
+++ ur8-7270-606/linux-2.6.32.60/net/bridge/br_notify.c	2010-10-19 17:35:30.000000000 +0000
@@ -49,7 +49,8 @@
 	case NETDEV_CHANGEADDR:
 		spin_lock_bh(&br->lock);
 		br_fdb_changeaddr(p, dev->dev_addr);
-		br_stp_recalculate_bridge_id(br);
+		if (!p->br->automatic_mac_disabled)
+			br_stp_recalculate_bridge_id(br);
 		spin_unlock_bh(&br->lock);
 		break;