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Subject[patch 05/22] pppol2tp: calls unregister_pernet_gen_device() at unload time
2.6.30-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Eric Dumazet <eric.dumazet@gmail.com>
[ Upstream commit 446e72f30eca76d6f9a1a54adf84d2c6ba2831f8 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/net/pppol2tp.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -2682,6 +2682,7 @@ 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);
}




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