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| author | Eric W. Biederman <ebiederm@xmission.com> | 2009-11-29 18:46:08 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-02 03:15:55 +0300 |
| commit | e8d02885997081f09272af6b9a27061a142da4c5 (patch) | |
| tree | c48e588864265012bdc7a68e19bb573a979d510e | |
| parent | 32b51f92d858dd3002ec2240960b772518a6803b (diff) | |
| download | linux-e8d02885997081f09272af6b9a27061a142da4c5.tar.xz | |
net: Simplify conntrack_proto_gre 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>
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_gre.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c index 91d0e719d67c..c99cfba64ddc 100644 --- a/net/netfilter/nf_conntrack_proto_gre.c +++ b/net/netfilter/nf_conntrack_proto_gre.c @@ -300,32 +300,24 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 __read_mostly = { static int proto_gre_net_init(struct net *net) { - struct netns_proto_gre *net_gre; - int rv; + struct netns_proto_gre *net_gre = net_generic(net, proto_gre_net_id); - net_gre = kmalloc(sizeof(struct netns_proto_gre), GFP_KERNEL); - if (!net_gre) - return -ENOMEM; rwlock_init(&net_gre->keymap_lock); INIT_LIST_HEAD(&net_gre->keymap_list); - rv = net_assign_generic(net, proto_gre_net_id, net_gre); - if (rv < 0) - kfree(net_gre); - return rv; + return 0; } static void proto_gre_net_exit(struct net *net) { - struct netns_proto_gre *net_gre = net_generic(net, proto_gre_net_id); - nf_ct_gre_keymap_flush(net); - kfree(net_gre); } static struct pernet_operations proto_gre_net_ops = { .init = proto_gre_net_init, .exit = proto_gre_net_exit, + .id = &proto_gre_net_id, + .size = sizeof(struct netns_proto_gre), }; static int __init nf_ct_proto_gre_init(void) @@ -335,7 +327,7 @@ static int __init nf_ct_proto_gre_init(void) rv = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_gre4); if (rv < 0) return rv; - rv = register_pernet_gen_subsys(&proto_gre_net_id, &proto_gre_net_ops); + rv = register_pernet_subsys(&proto_gre_net_ops); if (rv < 0) nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4); return rv; @@ -344,7 +336,7 @@ static int __init nf_ct_proto_gre_init(void) static void __exit nf_ct_proto_gre_fini(void) { nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_gre4); - unregister_pernet_gen_subsys(proto_gre_net_id, &proto_gre_net_ops); + unregister_pernet_subsys(&proto_gre_net_ops); } module_init(nf_ct_proto_gre_init); |