From c296bb4d5d417d466c9bcc8afef68a3db5449a64 Mon Sep 17 00:00:00 2001 From: Gao feng Date: Wed, 23 Jan 2013 12:51:10 +0100 Subject: netfilter: nf_conntrack: refactor l4proto support for netns Move the code that register/unregister l4proto to the module_init/exit context. Given that we have to modify some interfaces to accomodate these changes, it is a good time to use shorter function names for this using the nf_ct_* prefix instead of nf_conntrack_*, that is: nf_ct_l4proto_register nf_ct_l4proto_pernet_register nf_ct_l4proto_unregister nf_ct_l4proto_pernet_unregister We same many line breaks with it. Signed-off-by: Gao feng Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_conntrack_proto_gre.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) (limited to 'net/netfilter/nf_conntrack_proto_gre.c') diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c index b09b7af7f6f8..bd7d01d9c7e7 100644 --- a/net/netfilter/nf_conntrack_proto_gre.c +++ b/net/netfilter/nf_conntrack_proto_gre.c @@ -397,15 +397,15 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 __read_mostly = { static int proto_gre_net_init(struct net *net) { int ret = 0; - ret = nf_conntrack_l4proto_register(net, &nf_conntrack_l4proto_gre4); + ret = nf_ct_l4proto_pernet_register(net, &nf_conntrack_l4proto_gre4); if (ret < 0) - pr_err("nf_conntrack_l4proto_gre4 :protocol register failed.\n"); + pr_err("nf_conntrack_gre4: pernet registration failed.\n"); return ret; } static void proto_gre_net_exit(struct net *net) { - nf_conntrack_l4proto_unregister(net, &nf_conntrack_l4proto_gre4); + nf_ct_l4proto_pernet_unregister(net, &nf_conntrack_l4proto_gre4); nf_ct_gre_keymap_flush(net); } @@ -418,11 +418,26 @@ static struct pernet_operations proto_gre_net_ops = { static int __init nf_ct_proto_gre_init(void) { - return register_pernet_subsys(&proto_gre_net_ops); + int ret; + + ret = nf_ct_l4proto_register(&nf_conntrack_l4proto_gre4); + if (ret < 0) + goto out_gre4; + + ret = register_pernet_subsys(&proto_gre_net_ops); + if (ret < 0) + goto out_pernet; + + return 0; +out_pernet: + nf_ct_l4proto_unregister(&nf_conntrack_l4proto_gre4); +out_gre4: + return ret; } static void __exit nf_ct_proto_gre_fini(void) { + nf_ct_l4proto_unregister(&nf_conntrack_l4proto_gre4); unregister_pernet_subsys(&proto_gre_net_ops); } -- cgit v1.2.3