diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 6f71db8c4428..662e6ea1cecf 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -112,6 +112,8 @@ out_undo:
 		if (ops->exit)
 			ops->exit(net);
 	}
+
+	rcu_barrier();
 	goto out;
 }