selinux: 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: Paul Moore <paul@paul-moore.com>

1 files changed, 20 insertions, 4 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 158f6a005246..9926adbd50a9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -6540,6 +6540,23 @@ static struct nf_hook_ops selinux_nf_ops[] = {
 #endif  /* IPV6 */
 };
 
+static int __net_init selinux_nf_register(struct net *net)
+{
+        return nf_register_net_hooks(net, selinux_nf_ops,
+                                     ARRAY_SIZE(selinux_nf_ops));
+}
+
+static void __net_exit selinux_nf_unregister(struct net *net)
+{
+        nf_unregister_net_hooks(net, selinux_nf_ops,
+                                ARRAY_SIZE(selinux_nf_ops));
+}
+
+static struct pernet_operations selinux_net_ops = {
+        .init = selinux_nf_register,
+        .exit = selinux_nf_unregister,
+};
+
 static int __init selinux_nf_ip_init(void)
 {
         int err;
@@ -6549,13 +6566,12 @@ static int __init selinux_nf_ip_init(void)
 
         printk(KERN_DEBUG "SELinux:  Registering netfilter hooks\n");
 
-        err = nf_register_hooks(selinux_nf_ops, ARRAY_SIZE(selinux_nf_ops));
+        err = register_pernet_subsys(&selinux_net_ops);
         if (err)
-                panic("SELinux: nf_register_hooks: error %d\n", err);
+                panic("SELinux: register_pernet_subsys: error %d\n", err);
 
         return 0;
 }
-
 __initcall(selinux_nf_ip_init);
 
 #ifdef CONFIG_SECURITY_SELINUX_DISABLE
@@ -6563,7 +6579,7 @@ static void selinux_nf_ip_exit(void)
 {
         printk(KERN_DEBUG "SELinux:  Unregistering netfilter hooks\n");
 
-        nf_unregister_hooks(selinux_nf_ops, ARRAY_SIZE(selinux_nf_ops));
+        unregister_pernet_subsys(&selinux_net_ops);
 }
 #endif