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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:
parent
23c049ca92
commit
32b51f92d8
1 changed files with 8 additions and 23 deletions
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@ -810,12 +810,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
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static __net_init int dccp_net_init(struct net *net)
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{
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struct dccp_net *dn;
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int err;
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dn = kmalloc(sizeof(*dn), GFP_KERNEL);
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if (!dn)
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return -ENOMEM;
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struct dccp_net *dn = dccp_pernet(net);
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/* default values */
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dn->dccp_loose = 1;
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@ -827,16 +822,11 @@ static __net_init int dccp_net_init(struct net *net)
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dn->dccp_timeout[CT_DCCP_CLOSING] = 64 * HZ;
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dn->dccp_timeout[CT_DCCP_TIMEWAIT] = 2 * DCCP_MSL;
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err = net_assign_generic(net, dccp_net_id, dn);
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if (err)
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goto out;
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#ifdef CONFIG_SYSCTL
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err = -ENOMEM;
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dn->sysctl_table = kmemdup(dccp_sysctl_table,
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sizeof(dccp_sysctl_table), GFP_KERNEL);
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if (!dn->sysctl_table)
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goto out;
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return -ENOMEM;
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dn->sysctl_table[0].data = &dn->dccp_timeout[CT_DCCP_REQUEST];
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dn->sysctl_table[1].data = &dn->dccp_timeout[CT_DCCP_RESPOND];
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@ -851,15 +841,11 @@ static __net_init int dccp_net_init(struct net *net)
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nf_net_netfilter_sysctl_path, dn->sysctl_table);
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if (!dn->sysctl_header) {
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kfree(dn->sysctl_table);
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goto out;
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return -ENOMEM;
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}
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#endif
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return 0;
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out:
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kfree(dn);
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return err;
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}
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static __net_exit void dccp_net_exit(struct net *net)
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@ -869,21 +855,20 @@ static __net_exit void dccp_net_exit(struct net *net)
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unregister_net_sysctl_table(dn->sysctl_header);
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kfree(dn->sysctl_table);
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#endif
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kfree(dn);
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net_assign_generic(net, dccp_net_id, NULL);
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}
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static struct pernet_operations dccp_net_ops = {
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.init = dccp_net_init,
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.exit = dccp_net_exit,
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.id = &dccp_net_id,
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.size = sizeof(struct dccp_net),
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};
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static int __init nf_conntrack_proto_dccp_init(void)
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{
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int err;
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err = register_pernet_gen_subsys(&dccp_net_id, &dccp_net_ops);
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err = register_pernet_subsys(&dccp_net_ops);
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if (err < 0)
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goto err1;
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@ -899,14 +884,14 @@ static int __init nf_conntrack_proto_dccp_init(void)
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err3:
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nf_conntrack_l4proto_unregister(&dccp_proto4);
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err2:
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unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
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unregister_pernet_subsys(&dccp_net_ops);
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err1:
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return err;
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}
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static void __exit nf_conntrack_proto_dccp_fini(void)
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{
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unregister_pernet_gen_subsys(dccp_net_id, &dccp_net_ops);
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unregister_pernet_subsys(&dccp_net_ops);
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nf_conntrack_l4proto_unregister(&dccp_proto6);
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nf_conntrack_l4proto_unregister(&dccp_proto4);
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}
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