diff options
| author |   Taehee Yoo <ap420073@gmail.com> | 2018-11-22 19:59:46 +0900 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2018-11-27 00:35:19 +0100 |
| commit | 584eab291c67894cb17cc87544b9d086228ea70f (patch) | |
| tree | 46e21a3a2d87392a04e3861c4a2a836085280b9f /net/ipv6/netfilter/ip6t_MASQUERADE.c | |
| parent | netfilter: ipv6: Preserve link scope traffic original oif (diff) | |
| download | linux-dev-584eab291c67894cb17cc87544b9d086228ea70f.tar.xz linux-dev-584eab291c67894cb17cc87544b9d086228ea70f.zip | |
netfilter: add missing error handling code for register functions
register_{netdevice/inetaddr/inet6addr}_notifier may return an error
value, this patch adds the code to handle these error paths.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6/netfilter/ip6t_MASQUERADE.c')
| -rw-r--r-- | net/ipv6/netfilter/ip6t_MASQUERADE.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/netfilter/ip6t_MASQUERADE.c b/net/ipv6/netfilter/ip6t_MASQUERADE.c index 491f808e356a..29c7f1915a96 100644 --- a/net/ipv6/netfilter/ip6t_MASQUERADE.c +++ b/net/ipv6/netfilter/ip6t_MASQUERADE.c @@ -58,8 +58,12 @@ static int __init masquerade_tg6_init(void) int err; err = xt_register_target(&masquerade_tg6_reg); - if (err == 0) - nf_nat_masquerade_ipv6_register_notifier(); + if (err) + return err; + + err = nf_nat_masquerade_ipv6_register_notifier(); + if (err) + xt_unregister_target(&masquerade_tg6_reg); return err; } |