diff options
| author | Taehee Yoo | 2018-11-22 11:59:46 +0100 |
|---|---|---|
| committer | Pablo Neira Ayuso | 2018-11-27 00:35:19 +0100 |
| commit | 584eab291c67894cb17cc87544b9d086228ea70f (patch) | |
| tree | 46e21a3a2d87392a04e3861c4a2a836085280b9f /net/ipv4/netfilter/ipt_MASQUERADE.c | |
| parent | netfilter: ipv6: Preserve link scope traffic original oif (diff) | |
| download | kernel-qcow2-linux-584eab291c67894cb17cc87544b9d086228ea70f.tar.gz kernel-qcow2-linux-584eab291c67894cb17cc87544b9d086228ea70f.tar.xz kernel-qcow2-linux-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/ipv4/netfilter/ipt_MASQUERADE.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_MASQUERADE.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c index ce1512b02cb2..fd3f9e8a74da 100644 --- a/net/ipv4/netfilter/ipt_MASQUERADE.c +++ b/net/ipv4/netfilter/ipt_MASQUERADE.c @@ -81,9 +81,12 @@ static int __init masquerade_tg_init(void) int ret; ret = xt_register_target(&masquerade_tg_reg); + if (ret) + return ret; - if (ret == 0) - nf_nat_masquerade_ipv4_register_notifier(); + ret = nf_nat_masquerade_ipv4_register_notifier(); + if (ret) + xt_unregister_target(&masquerade_tg_reg); return ret; } |