From c879a6fcd6382415015e246b443dc2a1eab604dc Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Sun, 29 Nov 2009 15:46:10 +0000 Subject: [PATCH] net: Simplify pppoe pernet operations. Take advantage of the new pernet automatic storage management, and stop using compatibility network namespace functions. Signed-off-by: Eric W. Biederman Signed-off-by: David S. Miller --- drivers/net/pppoe.c | 38 ++++++++------------------------------ 1 file changed, 8 insertions(+), 30 deletions(-) diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index a1dcba255b0..a4ed776d823 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -1139,59 +1139,37 @@ static struct pppox_proto pppoe_proto = { static __net_init int pppoe_init_net(struct net *net) { - struct pppoe_net *pn; + struct pppoe_net *pn = pppoe_pernet(net); struct proc_dir_entry *pde; - int err; - - pn = kzalloc(sizeof(*pn), GFP_KERNEL); - if (!pn) - return -ENOMEM; rwlock_init(&pn->hash_lock); - err = net_assign_generic(net, pppoe_net_id, pn); - if (err) - goto out; - pde = proc_net_fops_create(net, "pppoe", S_IRUGO, &pppoe_seq_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 pppoe_exit_net(struct net *net) { - struct pppoe_net *pn; - proc_net_remove(net, "pppoe"); - pn = net_generic(net, pppoe_net_id); - /* - * if someone has cached our net then - * further net_generic call will return NULL - */ - net_assign_generic(net, pppoe_net_id, NULL); - kfree(pn); } static struct pernet_operations pppoe_net_ops = { .init = pppoe_init_net, .exit = pppoe_exit_net, + .id = &pppoe_net_id, + .size = sizeof(struct pppoe_net), }; static int __init pppoe_init(void) { int err; - err = register_pernet_gen_device(&pppoe_net_id, &pppoe_net_ops); + err = register_pernet_device(&pppoe_net_ops); if (err) goto out; @@ -1212,7 +1190,7 @@ static int __init pppoe_init(void) out_unregister_pppoe_proto: proto_unregister(&pppoe_sk_proto); out_unregister_net_ops: - unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops); + unregister_pernet_device(&pppoe_net_ops); out: return err; } @@ -1224,7 +1202,7 @@ static void __exit pppoe_exit(void) dev_remove_pack(&pppoes_ptype); unregister_pppox_proto(PX_PROTO_OE); proto_unregister(&pppoe_sk_proto); - unregister_pernet_gen_device(pppoe_net_id, &pppoe_net_ops); + unregister_pernet_device(&pppoe_net_ops); } module_init(pppoe_init);