--- linux-2.6.33/net/bridge/br_input.c	2010-02-24 19:52:17.000000000 +0100
+++ linux-2.6.33-uml/net/bridge/br_input.c	2010-03-26 09:21:50.000000000 +0100
@@ -148,14 +148,13 @@ struct sk_buff *br_handle_frame(struct n
 forward:
 	switch (p->state) {
 	case BR_STATE_FORWARDING:
+	case BR_STATE_LEARNING:
 		rhook = rcu_dereference(br_should_route_hook);
 		if (rhook != NULL) {
 			if (rhook(skb))
 				return skb;
 			dest = eth_hdr(skb)->h_dest;
 		}
-		/* fall through */
-	case BR_STATE_LEARNING:
 		if (!compare_ether_addr(p->br->dev->dev_addr, dest))
 			skb->pkt_type = PACKET_HOST;