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-rw-r--r--drivers/net/ppp_generic.c30
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 0a56a778af0..f671bb81004 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -864,12 +864,7 @@ static const struct file_operations ppp_device_fops = {
static __net_init int ppp_init_net(struct net *net)
{
- struct ppp_net *pn;
- int err;
-
- pn = kzalloc(sizeof(*pn), GFP_KERNEL);
- if (!pn)
- return -ENOMEM;
+ struct ppp_net *pn = net_generic(net, ppp_net_id);
idr_init(&pn->units_idr);
mutex_init(&pn->all_ppp_mutex);
@@ -879,32 +874,21 @@ static __net_init int ppp_init_net(struct net *net)
spin_lock_init(&pn->all_channels_lock);
- err = net_assign_generic(net, ppp_net_id, pn);
- if (err) {
- kfree(pn);
- return err;
- }
-
return 0;
}
static __net_exit void ppp_exit_net(struct net *net)
{
- struct ppp_net *pn;
+ struct ppp_net *pn = net_generic(net, ppp_net_id);
- pn = net_generic(net, ppp_net_id);
idr_destroy(&pn->units_idr);
- /*
- * if someone has cached our net then
- * further net_generic call will return NULL
- */
- net_assign_generic(net, ppp_net_id, NULL);
- kfree(pn);
}
static struct pernet_operations ppp_net_ops = {
.init = ppp_init_net,
.exit = ppp_exit_net,
+ .id = &ppp_net_id,
+ .size = sizeof(struct ppp_net),
};
#define PPP_MAJOR 108
@@ -917,7 +901,7 @@ static int __init ppp_init(void)
printk(KERN_INFO "PPP generic driver version " PPP_VERSION "\n");
- err = register_pernet_gen_device(&ppp_net_id, &ppp_net_ops);
+ err = register_pernet_device(&ppp_net_ops);
if (err) {
printk(KERN_ERR "failed to register PPP pernet device (%d)\n", err);
goto out;
@@ -943,7 +927,7 @@ static int __init ppp_init(void)
out_chrdev:
unregister_chrdev(PPP_MAJOR, "ppp");
out_net:
- unregister_pernet_gen_device(ppp_net_id, &ppp_net_ops);
+ unregister_pernet_device(&ppp_net_ops);
out:
return err;
}
@@ -2835,7 +2819,7 @@ static void __exit ppp_cleanup(void)
unregister_chrdev(PPP_MAJOR, "ppp");
device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0));
class_destroy(ppp_class);
- unregister_pernet_gen_device(ppp_net_id, &ppp_net_ops);
+ unregister_pernet_device(&ppp_net_ops);
}
/*