diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h
index f066c9c401c6..37beb40763db 100644
--- a/net/hsr/hsr_main.h
+++ b/net/hsr/hsr_main.h
@@ -163,6 +163,7 @@ struct hsr_port {
 	struct net_device	*dev;
 	struct hsr_priv		*hsr;
 	enum hsr_port_type	type;
+	struct rcu_head		rcu;
 };
 
 struct hsr_frame_info;
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index b17909ef6632..01762525c945 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -241,7 +241,5 @@ void hsr_del_port(struct hsr_port *port)
 		netdev_upper_dev_unlink(port->dev, master->dev);
 	}
 
-	synchronize_rcu();
-
-	kfree(port);
+	kfree_rcu(port, rcu);
 }