netfilter: add missing error handling code for register functions

[linux-block.git] / net / ipv6 / netfilter / nft_masq_ipv6.c

diff --git a/net/ipv6/netfilter/nft_masq_ipv6.c b/net/ipv6/netfilter/nft_masq_ipv6.c
index dd0122f3cffea92f587f0c8a598281e77aa5c98b..e06c82e9dfcdf86c7f41ec8dc1693013b3cc4fc1 100644 (file)
--- a/net/ipv6/netfilter/nft_masq_ipv6.c
+++ b/net/ipv6/netfilter/nft_masq_ipv6.c
@@ -70,7 +70,9 @@ static int __init nft_masq_ipv6_module_init(void)
        if (ret < 0)
                return ret;
 
-       nf_nat_masquerade_ipv6_register_notifier();
+       ret = nf_nat_masquerade_ipv6_register_notifier();
+       if (ret)
+               nft_unregister_expr(&nft_masq_ipv6_type);
 
        return ret;
 }