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authorEric W. Biederman <ebiederm@xmission.com>2009-11-29 15:46:08 +0000
committerDavid S. Miller <davem@davemloft.net>2009-12-01 16:15:55 -0800
commite8d02885997081f09272af6b9a27061a142da4c5 (patch)
treec48e588864265012bdc7a68e19bb573a979d510e /net
parent32b51f92d858dd3002ec2240960b772518a6803b (diff)
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>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_proto_gre.c20
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 91d0e719d67..c99cfba64dd 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);