netfilter: nf_tables_netdev: fix error path in module initialization
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>
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@ -224,12 +224,12 @@ static int __init nf_tables_netdev_init(void)
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nft_register_chain_type(&nft_filter_chain_netdev);
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ret = register_pernet_subsys(&nf_tables_netdev_net_ops);
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if (ret < 0)
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if (ret < 0) {
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nft_unregister_chain_type(&nft_filter_chain_netdev);
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return ret;
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}
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register_netdevice_notifier(&nf_tables_netdev_notifier);
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return ret;
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return 0;
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}
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static void __exit nf_tables_netdev_exit(void)
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