diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 07aa9f08d5fb..aa5b5a972bff 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -407,7 +407,6 @@ int pn_sock_get_port(struct sock *sk, unsigned short sport)
 	return -EADDRINUSE;
 
 found:
-	mutex_unlock(&port_mutex);
 	pn->sobject = pn_object(pn_addr(pn->sobject), sport);
 	return 0;
 }