diff options
| -rw-r--r-- | drivers/net/ppp_generic.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 0a56a77..f671bb8 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); } /* |
