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path: root/net/ipv6/netfilter/ip6table_security.c
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Diffstat (limited to 'net/ipv6/netfilter/ip6table_security.c')
-rw-r--r--net/ipv6/netfilter/ip6table_security.c48
1 files changed, 20 insertions, 28 deletions
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index a74335fe2bd9..4df14a9bae78 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -24,80 +24,72 @@ MODULE_DESCRIPTION("ip6tables security table, for MAC rules");
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT)
-static int __net_init ip6table_security_table_init(struct net *net);
-
static const struct xt_table security_table = {
.name = "security",
.valid_hooks = SECURITY_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_SECURITY,
- .table_init = ip6table_security_table_init,
};
-static unsigned int
-ip6table_security_hook(void *priv, struct sk_buff *skb,
- const struct nf_hook_state *state)
-{
- return ip6t_do_table(skb, state, state->net->ipv6.ip6table_security);
-}
-
static struct nf_hook_ops *sectbl_ops __read_mostly;
-static int __net_init ip6table_security_table_init(struct net *net)
+static int ip6table_security_table_init(struct net *net)
{
struct ip6t_replace *repl;
int ret;
- if (net->ipv6.ip6table_security)
- return 0;
-
repl = ip6t_alloc_initial_table(&security_table);
if (repl == NULL)
return -ENOMEM;
- ret = ip6t_register_table(net, &security_table, repl, sectbl_ops,
- &net->ipv6.ip6table_security);
+ ret = ip6t_register_table(net, &security_table, repl, sectbl_ops);
kfree(repl);
return ret;
}
+static void __net_exit ip6table_security_net_pre_exit(struct net *net)
+{
+ ip6t_unregister_table_pre_exit(net, "security");
+}
+
static void __net_exit ip6table_security_net_exit(struct net *net)
{
- if (!net->ipv6.ip6table_security)
- return;
- ip6t_unregister_table(net, net->ipv6.ip6table_security, sectbl_ops);
- net->ipv6.ip6table_security = NULL;
+ ip6t_unregister_table_exit(net, "security");
}
static struct pernet_operations ip6table_security_net_ops = {
+ .pre_exit = ip6table_security_net_pre_exit,
.exit = ip6table_security_net_exit,
};
static int __init ip6table_security_init(void)
{
- int ret;
+ int ret = xt_register_template(&security_table,
+ ip6table_security_table_init);
+
+ if (ret < 0)
+ return ret;
- sectbl_ops = xt_hook_ops_alloc(&security_table, ip6table_security_hook);
- if (IS_ERR(sectbl_ops))
+ sectbl_ops = xt_hook_ops_alloc(&security_table, ip6t_do_table);
+ if (IS_ERR(sectbl_ops)) {
+ xt_unregister_template(&security_table);
return PTR_ERR(sectbl_ops);
+ }
ret = register_pernet_subsys(&ip6table_security_net_ops);
if (ret < 0) {
kfree(sectbl_ops);
+ xt_unregister_template(&security_table);
return ret;
}
- ret = ip6table_security_table_init(&init_net);
- if (ret) {
- unregister_pernet_subsys(&ip6table_security_net_ops);
- kfree(sectbl_ops);
- }
return ret;
}
static void __exit ip6table_security_fini(void)
{
unregister_pernet_subsys(&ip6table_security_net_ops);
+ xt_unregister_template(&security_table);
kfree(sectbl_ops);
}