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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>
This commit is contained in:
Eric W. Biederman 2009-11-29 15:46:07 +00:00 committed by David S. Miller
parent 23c049ca92
commit 32b51f92d8
1 changed files with 8 additions and 23 deletions
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31
net/netfilter/nf_conntrack_proto_dccp.c
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@ -810,12 +810,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
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 @@ static __net_init int dccp_net_init(struct net *net)
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 @@ static __net_init int dccp_net_init(struct net *net)
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 @@ static __net_exit void dccp_net_exit(struct net *net)
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 @@ static int __init nf_conntrack_proto_dccp_init(void)
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);
}