diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_dccp.c')
-rw-r--r-- | net/netfilter/nf_conntrack_proto_dccp.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 7bf1395b4158..dd375500dccc 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -384,7 +384,7 @@ dccp_state_table[CT_DCCP_ROLE_MAX + 1][DCCP_PKT_SYNCACK + 1][CT_DCCP_MAX + 1] = }; /* this module per-net specifics */ -static int dccp_net_id; +static int dccp_net_id __read_mostly; struct dccp_net { int dccp_loose; unsigned int dccp_timeout[CT_DCCP_MAX + 1]; @@ -800,12 +800,7 @@ 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; @@ -817,16 +812,11 @@ 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]; @@ -841,15 +831,11 @@ 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) @@ -859,21 +845,20 @@ 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; @@ -889,14 +874,14 @@ 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); } |