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net,pppoe: fixup module init/exit subsequent calls

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pernet data should allocated first and freed last
on module init/exit routines otherwise it's possible
to have unserialized calls to packet handling routines.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cyrill Gorcunov 2009-08-12 16:39:16 -07:00 committed by David S. Miller
parent bbd8a0d3a3
commit 07f6642ee9
1 changed files with 11 additions and 11 deletions
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22
drivers/net/pppoe.c
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@ -1185,40 +1185,40 @@ static int __init pppoe_init(void)
{
int err;
err = proto_register(&pppoe_sk_proto, 0);
err = register_pernet_gen_device(&pppoe_net_id, &pppoe_net_ops);
if (err)
goto out;
err = proto_register(&pppoe_sk_proto, 0);
if (err)
goto out_unregister_net_ops;
err = register_pppox_proto(PX_PROTO_OE, &pppoe_proto);
if (err)
goto out_unregister_pppoe_proto;
err = register_pernet_gen_device(&pppoe_net_id, &pppoe_net_ops);
if (err)
goto out_unregister_pppox_proto;
dev_add_pack(&pppoes_ptype);
dev_add_pack(&pppoed_ptype);
register_netdevice_notifier(&pppoe_notifier);
return 0;
out_unregister_pppox_proto:
unregister_pppox_proto(PX_PROTO_OE);
out_unregister_pppoe_proto:
proto_unregister(&pppoe_sk_proto);
out_unregister_net_ops:
unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops);
out:
return err;
}
static void __exit pppoe_exit(void)
{
unregister_pppox_proto(PX_PROTO_OE);
dev_remove_pack(&pppoes_ptype);
dev_remove_pack(&pppoed_ptype);
unregister_netdevice_notifier(&pppoe_notifier);
unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops);
dev_remove_pack(&pppoed_ptype);
dev_remove_pack(&pppoes_ptype);
unregister_pppox_proto(PX_PROTO_OE);
proto_unregister(&pppoe_sk_proto);
unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops);
}
module_init(pppoe_init);