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>
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 91d0e71..c99cfba 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -300,32 +300,24 @@
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 @@
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 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);