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@xxxxxxxxxxxxx>
---
net/netfilter/nf_tables_netdev.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c
index b6605e0..5eefe4a 100644
--- a/net/netfilter/nf_tables_netdev.c
+++ b/net/netfilter/nf_tables_netdev.c
@@ -224,12 +224,12 @@ static int __init nf_tables_netdev_init(void)
nft_register_chain_type(&nft_filter_chain_netdev);
ret = register_pernet_subsys(&nf_tables_netdev_net_ops);
- if (ret < 0)
+ if (ret < 0) {
nft_unregister_chain_type(&nft_filter_chain_netdev);
-
+ return ret;
+ }
register_netdevice_notifier(&nf_tables_netdev_notifier);
-
- return ret;
+ return 0;
}
static void __exit nf_tables_netdev_exit(void)
--
2.1.4
--
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