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netfilter: nf_tables_netdev: fix error path in module initialization

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Unregister the chain type and return error, otherwise this leaks the
subscription to the netdevice notifier call chain.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2016-01-18 13:52:29 +01:00
parent d6b3347bf1
commit 35b815392a
1 changed files with 4 additions and 4 deletions
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8
net/netfilter/nf_tables_netdev.c
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@ -224,12 +224,12 @@ static int __init nf_tables_netdev_init(void)
nft_register_chain_type(&nft_filter_chain_netdev); nft_register_chain_type(&nft_filter_chain_netdev);
ret = register_pernet_subsys(&nf_tables_netdev_net_ops); ret = register_pernet_subsys(&nf_tables_netdev_net_ops);
if (ret < 0) if (ret < 0) {
nft_unregister_chain_type(&nft_filter_chain_netdev); nft_unregister_chain_type(&nft_filter_chain_netdev);
return ret;
}
register_netdevice_notifier(&nf_tables_netdev_notifier); register_netdevice_notifier(&nf_tables_netdev_notifier);
return 0;
return ret;
} }
static void __exit nf_tables_netdev_exit(void) static void __exit nf_tables_netdev_exit(void)