[BRIDGE]: Handle delete of multiple devices with same address.

This fixes the issue discovered when removing bluetooth devices from a bridge.
Need to add special case code when forwarding table is being cleaned up to 
handle the case where several devices share the same hardware address.

net/bridge/br_fdb.c

@@ -157,11 +157,30 @@ void br_fdb_delete_by_port(struct net_bridge *br, struct net_bridge_port *p)
 		hlist_for_each_safe(h, g, &br->hash[i]) {
 			struct net_bridge_fdb_entry *f
 				= hlist_entry(h, struct net_bridge_fdb_entry, hlist);
-			if (f->dst == p) {
-				fdb_delete(f);
+			if (f->dst != p) 
+				continue;
+
+			/*
+			 * if multiple ports all have the same device address
+			 * then when one port is deleted, assign
+			 * the local entry to other port
+			 */
+			if (f->is_local) {
+				struct net_bridge_port *op;
+				list_for_each_entry(op, &br->port_list, list) {
+					if (op != p && 
+					    !memcmp(op->dev->dev_addr,
+						    f->addr.addr, ETH_ALEN)) {
+						f->dst = op;
+						goto skip_delete;
 					}
 				}
 			}
+
+			fdb_delete(f);
+		skip_delete: ;
+		}
+	}
 	write_unlock_bh(&br->hash_lock);
 }