From 446e72f30eca76d6f9a1a54adf84d2c6ba2831f8 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 28 Jul 2009 03:47:39 +0000
Subject: [PATCH] pppol2tp: calls unregister_pernet_gen_device() at unload time

Failure to call unregister_pernet_gen_device() can exhaust memory
if module is loaded/unloaded many times.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/pppol2tp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index e7935d09c896..e0f9219a0aea 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -2680,6 +2680,7 @@ out_unregister_pppol2tp_proto:
 static void __exit pppol2tp_exit(void)
 {
 	unregister_pppox_proto(PX_PROTO_OL2TP);
+	unregister_pernet_gen_device(pppol2tp_net_id, &pppol2tp_net_ops);
 	proto_unregister(&pppol2tp_sk_proto);
 }
 
-- 
2.30.2