ax25: more common return path joining

Signed-off-by: NIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ax25/ax25_iface.c

@@ -61,27 +61,24 @@ void ax25_protocol_release(unsigned int pid)
 
 	write_lock_bh(&protocol_list_lock);
 	protocol = protocol_list;
-	if (protocol == NULL) {
-		write_unlock_bh(&protocol_list_lock);
-		return;
-	}
+	if (protocol == NULL)
+		goto out;
 
 	if (protocol->pid == pid) {
 		protocol_list = protocol->next;
-		write_unlock_bh(&protocol_list_lock);
-		return;
+		goto out;
 	}
 
 	while (protocol != NULL && protocol->next != NULL) {
 		if (protocol->next->pid == pid) {
 			s = protocol->next;
 			protocol->next = protocol->next->next;
-			write_unlock_bh(&protocol_list_lock);
-			return;
+			goto out;
 		}
 
 		protocol = protocol->next;
 	}
+out:
 	write_unlock_bh(&protocol_list_lock);
 }