net: Simplify pppol2tp pernet operations.
Take advantage of the new pernet automatic storage management,
and stop using compatibility network namespace functions.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index c58b50f..9fbb2eb 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -2605,53 +2605,31 @@
static __net_init int pppol2tp_init_net(struct net *net)
{
- struct pppol2tp_net *pn;
+ struct pppol2tp_net *pn = pppol2tp_pernet(net);
struct proc_dir_entry *pde;
- int err;
-
- pn = kzalloc(sizeof(*pn), GFP_KERNEL);
- if (!pn)
- return -ENOMEM;
INIT_LIST_HEAD(&pn->pppol2tp_tunnel_list);
rwlock_init(&pn->pppol2tp_tunnel_list_lock);
- err = net_assign_generic(net, pppol2tp_net_id, pn);
- if (err)
- goto out;
-
pde = proc_net_fops_create(net, "pppol2tp", S_IRUGO, &pppol2tp_proc_fops);
#ifdef CONFIG_PROC_FS
- if (!pde) {
- err = -ENOMEM;
- goto out;
- }
+ if (!pde)
+ return -ENOMEM;
#endif
return 0;
-
-out:
- kfree(pn);
- return err;
}
static __net_exit void pppol2tp_exit_net(struct net *net)
{
- struct pppoe_net *pn;
-
proc_net_remove(net, "pppol2tp");
- pn = net_generic(net, pppol2tp_net_id);
- /*
- * if someone has cached our net then
- * further net_generic call will return NULL
- */
- net_assign_generic(net, pppol2tp_net_id, NULL);
- kfree(pn);
}
static struct pernet_operations pppol2tp_net_ops = {
.init = pppol2tp_init_net,
.exit = pppol2tp_exit_net,
+ .id = &pppol2tp_net_id,
+ .size = sizeof(struct pppol2tp_net),
};
static int __init pppol2tp_init(void)
@@ -2665,7 +2643,7 @@
if (err)
goto out_unregister_pppol2tp_proto;
- err = register_pernet_gen_device(&pppol2tp_net_id, &pppol2tp_net_ops);
+ err = register_pernet_device(&pppol2tp_net_ops);
if (err)
goto out_unregister_pppox_proto;
@@ -2684,7 +2662,7 @@
static void __exit pppol2tp_exit(void)
{
unregister_pppox_proto(PX_PROTO_OL2TP);
- unregister_pernet_gen_device(pppol2tp_net_id, &pppol2tp_net_ops);
+ unregister_pernet_device(&pppol2tp_net_ops);
proto_unregister(&pppol2tp_sk_proto);
}