提交 efe41606 编写于 作者: F Florian Westphal 提交者: Pablo Neira Ayuso

ipvs: convert to use pernet nf_hook api

nf_(un)register_hooks has to maintain an internal hook list to add/remove
those hooks from net namespaces as they are added/deleted.

ipvs already uses pernet_ops, so we can switch to the (more recent)
pernet hook api instead.

Compile tested only.
Signed-off-by: NFlorian Westphal <fw@strlen.de>
Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
上级 1fefe147
......@@ -2200,6 +2200,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
static int __net_init __ip_vs_init(struct net *net)
{
struct netns_ipvs *ipvs;
int ret;
ipvs = net_generic(net, ip_vs_net_id);
if (ipvs == NULL)
......@@ -2231,11 +2232,17 @@ static int __net_init __ip_vs_init(struct net *net)
if (ip_vs_sync_net_init(ipvs) < 0)
goto sync_fail;
ret = nf_register_net_hooks(net, ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
if (ret < 0)
goto hook_fail;
return 0;
/*
* Error handling
*/
hook_fail:
ip_vs_sync_net_cleanup(ipvs);
sync_fail:
ip_vs_conn_net_cleanup(ipvs);
conn_fail:
......@@ -2255,6 +2262,7 @@ static void __net_exit __ip_vs_cleanup(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
nf_unregister_net_hooks(net, ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
ip_vs_service_net_cleanup(ipvs); /* ip_vs_flush() with locks */
ip_vs_conn_net_cleanup(ipvs);
ip_vs_app_net_cleanup(ipvs);
......@@ -2315,24 +2323,16 @@ static int __init ip_vs_init(void)
if (ret < 0)
goto cleanup_sub;
ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
if (ret < 0) {
pr_err("can't register hooks.\n");
goto cleanup_dev;
}
ret = ip_vs_register_nl_ioctl();
if (ret < 0) {
pr_err("can't register netlink/ioctl.\n");
goto cleanup_hooks;
goto cleanup_dev;
}
pr_info("ipvs loaded.\n");
return ret;
cleanup_hooks:
nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
cleanup_dev:
unregister_pernet_device(&ipvs_core_dev_ops);
cleanup_sub:
......@@ -2349,7 +2349,6 @@ static int __init ip_vs_init(void)
static void __exit ip_vs_cleanup(void)
{
ip_vs_unregister_nl_ioctl();
nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
unregister_pernet_device(&ipvs_core_dev_ops);
unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
ip_vs_conn_cleanup();
......
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