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path: root/net/netfilter/nf_conntrack_proto.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_proto.c')
-rw-r--r--net/netfilter/nf_conntrack_proto.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index e2c4a58603a..0ca2f0ba7c7 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -294,9 +294,6 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
goto out;
}
- if (l4proto == &nf_conntrack_l4proto_generic)
- return nf_ct_l4proto_register_sysctl(l4proto);
-
mutex_lock(&nf_ct_proto_mutex);
retry:
if (nf_ct_protos[l4proto->l3proto]) {
@@ -353,11 +350,6 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
{
BUG_ON(l4proto->l3proto >= PF_MAX);
- if (l4proto == &nf_conntrack_l4proto_generic) {
- nf_ct_l4proto_unregister_sysctl(l4proto);
- return;
- }
-
mutex_lock(&nf_ct_proto_mutex);
BUG_ON(nf_ct_protos[l4proto->l3proto][l4proto->l4proto] != l4proto);
rcu_assign_pointer(nf_ct_protos[l4proto->l3proto][l4proto->l4proto],
@@ -371,3 +363,29 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
nf_ct_iterate_cleanup(kill_l4proto, l4proto);
}
EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister);
+
+int nf_conntrack_proto_init(void)
+{
+ unsigned int i;
+ int err;
+
+ err = nf_ct_l4proto_register_sysctl(&nf_conntrack_l4proto_generic);
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < AF_MAX; i++)
+ rcu_assign_pointer(nf_ct_l3protos[i],
+ &nf_conntrack_l3proto_generic);
+ return 0;
+}
+
+void nf_conntrack_proto_fini(void)
+{
+ unsigned int i;
+
+ nf_ct_l4proto_unregister_sysctl(&nf_conntrack_l4proto_generic);
+
+ /* free l3proto protocol tables */
+ for (i = 0; i < PF_MAX; i++)
+ kfree(nf_ct_protos[i]);
+}