net: Simplify conntrack_proto_dccp pernet operations.
Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 80abdf2..98916ef 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -810,12 +810,7 @@
static __net_init int dccp_net_init(struct net *net)
{
- struct dccp_net *dn;
- int err;
-
- dn = kmalloc(sizeof(*dn), GFP_KERNEL);
- if (!dn)
- return -ENOMEM;
+ struct dccp_net *dn = dccp_pernet(net);
/* default values */
dn->dccp_loose = 1;
@@ -827,16 +822,11 @@
dn->dccp_timeout[CT_DCCP_CLOSING] = 64 * HZ;
dn->dccp_timeout[CT_DCCP_TIMEWAIT] = 2 * DCCP_MSL;
- err = net_assign_generic(net, dccp_net_id, dn);
- if (err)
- goto out;
-
#ifdef CONFIG_SYSCTL
- err = -ENOMEM;
dn->sysctl_table = kmemdup(dccp_sysctl_table,
sizeof(dccp_sysctl_table), GFP_KERNEL);
if (!dn->sysctl_table)
- goto out;
+ return -ENOMEM;
dn->sysctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST];
dn->sysctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND];
@@ -851,15 +841,11 @@
nf_net_netfilter_sysctl_path, dn->sysctl_table);
if (!dn->sysctl_header) {
kfree(dn->sysctl_table);
- goto out;
+ return -ENOMEM;
}
#endif
return 0;
-
-out:
- kfree(dn);
- return err;
}
static __net_exit void dccp_net_exit(struct net *net)
@@ -869,21 +855,20 @@
unregister_net_sysctl_table(dn->sysctl_header);
kfree(dn->sysctl_table);
#endif
- kfree(dn);
-
- net_assign_generic(net, dccp_net_id, NULL);
}
static struct pernet_operations dccp_net_ops = {
.init = dccp_net_init,
.exit = dccp_net_exit,
+ .id = &dccp_net_id,
+ .size = sizeof(struct dccp_net),
};
static int __init nf_conntrack_proto_dccp_init(void)
{
int err;
- err = register_pernet_gen_subsys(&dccp_net_id, &dccp_net_ops);
+ err = register_pernet_subsys(&dccp_net_ops);
if (err < 0)
goto err1;
@@ -899,14 +884,14 @@
err3:
nf_conntrack_l4proto_unregister(&dccp_proto4);
err2:
- unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
+ unregister_pernet_subsys(&dccp_net_ops);
err1:
return err;
}
static void __exit nf_conntrack_proto_dccp_fini(void)
{
- unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
+ unregister_pernet_subsys(&dccp_net_ops);
nf_conntrack_l4proto_unregister(&dccp_proto6);
nf_conntrack_l4proto_unregister(&dccp_proto4);
}