diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 5fa85690951..cd1996d0ad0 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1022,7 +1022,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
 
 	port->ib_dev   = device;
 	port->port_num = port_num;
-	init_MUTEX(&port->sm_sem);
+	sema_init(&port->sm_sem, 1);
 	mutex_init(&port->file_mutex);
 	INIT_LIST_HEAD(&port->file_list);