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netfilter: nf_tables: fix error path in the init functions 

We have to unregister chain type if this fails to register netns.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2014-01-09 20:32:19 +01:00
parent 3876d22dba
commit cf4dfa8539
3 changed files with 21 additions and 3 deletions
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8
net/ipv4/netfilter/nf_tables_ipv4.c
View File

@ -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 ret;
}
static void __exit nf_tables_ipv4_exit(void)

8
net/ipv6/netfilter/nf_tables_ipv6.c
View File

@ -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)

8
net/netfilter/nf_tables_inet.c
View File

@ -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)