smack: use pernet operations for hook registration

It will allow us to remove the old netfilter hook api in the near future.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
This commit is contained in:
Florian Westphal 2017-04-21 11:49:08 +02:00 committed by Casey Schaufler
parent d68c51e0b3
commit e661a58279

View File

@ -18,6 +18,7 @@
#include <linux/netfilter_ipv6.h>
#include <linux/netdevice.h>
#include <net/inet_sock.h>
#include <net/net_namespace.h>
#include "smack.h"
#if IS_ENABLED(CONFIG_IPV6)
@ -74,20 +75,29 @@ static struct nf_hook_ops smack_nf_ops[] = {
#endif /* IPV6 */
};
static int __net_init smack_nf_register(struct net *net)
{
return nf_register_net_hooks(net, smack_nf_ops,
ARRAY_SIZE(smack_nf_ops));
}
static void __net_exit smack_nf_unregister(struct net *net)
{
nf_unregister_net_hooks(net, smack_nf_ops, ARRAY_SIZE(smack_nf_ops));
}
static struct pernet_operations smack_net_ops = {
.init = smack_nf_register,
.exit = smack_nf_unregister,
};
static int __init smack_nf_ip_init(void)
{
int err;
if (smack_enabled == 0)
return 0;
printk(KERN_DEBUG "Smack: Registering netfilter hooks\n");
err = nf_register_hooks(smack_nf_ops, ARRAY_SIZE(smack_nf_ops));
if (err)
pr_info("Smack: nf_register_hooks: error %d\n", err);
return 0;
return register_pernet_subsys(&smack_net_ops);
}
__initcall(smack_nf_ip_init);