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netfilter: nf_conntrack: refactor l3proto support for netns

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Move the code that register/unregister l3proto 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_l3proto_register
nf_ct_l3proto_pernet_register
nf_ct_l3proto_unregister
nf_ct_l3proto_pernet_unregister

We same many line breaks with it.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Gao feng
2013-01-21 22:10:33 +00:00
zatwierdzone przez Pablo Neira Ayuso
rodzic 04d8700179
commit 6330750d56
4 zmienionych plików z 49 dodań i 41 usunięć
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22
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
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@@ -438,10 +438,9 @@ static int ipv4_net_init(struct net *net)
pr_err("nf_conntrack_l4proto_icmp4 :protocol register failed\n");
goto out_icmp;
}
ret = nf_conntrack_l3proto_register(net,
&nf_conntrack_l3proto_ipv4);
ret = nf_ct_l3proto_pernet_register(net, &nf_conntrack_l3proto_ipv4);
if (ret < 0) {
pr_err("nf_conntrack_l3proto_ipv4 :protocol register failed\n");
pr_err("nf_conntrack_ipv4: pernet registration failed\n");
goto out_ipv4;
}
return 0;
@@ -460,8 +459,7 @@ out_tcp:
static void ipv4_net_exit(struct net *net)
{
nf_conntrack_l3proto_unregister(net,
&nf_conntrack_l3proto_ipv4);
nf_ct_l3proto_pernet_unregister(net, &nf_conntrack_l3proto_ipv4);
nf_conntrack_l4proto_unregister(net,
&nf_conntrack_l4proto_icmp);
nf_conntrack_l4proto_unregister(net,
@@ -500,16 +498,25 @@ static int __init nf_conntrack_l3proto_ipv4_init(void)
pr_err("nf_conntrack_ipv4: can't register hooks.\n");
goto cleanup_pernet;
}
ret = nf_ct_l3proto_register(&nf_conntrack_l3proto_ipv4);
if (ret < 0) {
pr_err("nf_conntrack_ipv4: can't register ipv4 proto.\n");
goto cleanup_hooks;
}
#if defined(CONFIG_PROC_FS) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
ret = nf_conntrack_ipv4_compat_init();
if (ret < 0)
goto cleanup_hooks;
goto cleanup_proto;
#endif
return ret;
#if defined(CONFIG_PROC_FS) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
cleanup_proto:
nf_ct_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
#endif
cleanup_hooks:
nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
#endif
cleanup_pernet:
unregister_pernet_subsys(&ipv4_net_ops);
cleanup_sockopt:
@@ -523,6 +530,7 @@ static void __exit nf_conntrack_l3proto_ipv4_fini(void)
#if defined(CONFIG_PROC_FS) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT)
nf_conntrack_ipv4_compat_fini();
#endif
nf_ct_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
unregister_pernet_subsys(&ipv4_net_ops);
nf_unregister_sockopt(&so_getorigdst);