From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Subject: [PATCH nf_tables] netfilter: nf_tables: fix error path in the init functions
Date: Thu, 9 Jan 2014 20:36:49 +0100 [thread overview]
Message-ID: <1389296209-26806-1-git-send-email-pablo@netfilter.org> (raw)
We have to unregister chain type if this fails to register netns.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/ipv4/netfilter/nf_tables_ipv4.c | 8 +++++++-
net/ipv6/netfilter/nf_tables_ipv6.c | 8 +++++++-
net/netfilter/nf_tables_inet.c | 8 +++++++-
3 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/netfilter/nf_tables_ipv4.c b/net/ipv4/netfilter/nf_tables_ipv4.c
index fec163a..45cf268 100644
--- a/net/ipv4/netfilter/nf_tables_ipv4.c
+++ b/net/ipv4/netfilter/nf_tables_ipv4.c
@@ -105,8 +105,14 @@ static const struct nf_chain_type filter_ipv4 = {
static int __init nf_tables_ipv4_init(void)
{
+ int ret;
+
nft_register_chain_type(&filter_ipv4);
- return register_pernet_subsys(&nf_tables_ipv4_net_ops);
+ ret = register_pernet_subsys(&nf_tables_ipv4_net_ops);
+ if (ret < 0)
+ nft_unregister_chain_type(&filter_ipv4);
+
+ return 0;
}
static void __exit nf_tables_ipv4_exit(void)
diff --git a/net/ipv6/netfilter/nf_tables_ipv6.c b/net/ipv6/netfilter/nf_tables_ipv6.c
index 59a43b4..0d812b3 100644
--- a/net/ipv6/netfilter/nf_tables_ipv6.c
+++ b/net/ipv6/netfilter/nf_tables_ipv6.c
@@ -104,8 +104,14 @@ static const struct nf_chain_type filter_ipv6 = {
static int __init nf_tables_ipv6_init(void)
{
+ int ret;
+
nft_register_chain_type(&filter_ipv6);
- return register_pernet_subsys(&nf_tables_ipv6_net_ops);
+ ret = register_pernet_subsys(&nf_tables_ipv6_net_ops);
+ if (ret < 0)
+ nft_unregister_chain_type(&filter_ipv6);
+
+ return ret;
}
static void __exit nf_tables_ipv6_exit(void)
diff --git a/net/netfilter/nf_tables_inet.c b/net/netfilter/nf_tables_inet.c
index 84478de..9dd2d21 100644
--- a/net/netfilter/nf_tables_inet.c
+++ b/net/netfilter/nf_tables_inet.c
@@ -80,8 +80,14 @@ static const struct nf_chain_type filter_inet = {
static int __init nf_tables_inet_init(void)
{
+ int ret;
+
nft_register_chain_type(&filter_inet);
- return register_pernet_subsys(&nf_tables_inet_net_ops);
+ ret = register_pernet_subsys(&nf_tables_inet_net_ops);
+ if (ret < 0)
+ nft_unregister_chain_type(&filter_inet);
+
+ return ret;
}
static void __exit nf_tables_inet_exit(void)
--
1.7.10.4
reply other threads:[~2014-01-09 19:37 UTC|newest]
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