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net: Simplify vlan 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>
This commit is contained in:
Eric W. Biederman 2009-11-29 15:46:05 +00:00 committed by David S. Miller
parent 15449745e5
commit 946d1a9298
1 changed files with 7 additions and 26 deletions
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33
net/8021q/vlan.c
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@ -686,47 +686,28 @@ out:
static int vlan_init_net(struct net *net)
{
struct vlan_net *vn = net_generic(net, vlan_net_id);
int err;
struct vlan_net *vn;
err = -ENOMEM;
vn = kzalloc(sizeof(struct vlan_net), GFP_KERNEL);
if (vn == NULL)
goto err_alloc;
err = net_assign_generic(net, vlan_net_id, vn);
if (err < 0)
goto err_assign;
vn->name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD;
err = vlan_proc_init(net);
if (err < 0)
goto err_proc;
return 0;
err_proc:
/* nothing */
err_assign:
kfree(vn);
err_alloc:
return err;
}
static void vlan_exit_net(struct net *net)
{
struct vlan_net *vn;
vn = net_generic(net, vlan_net_id);
rtnl_kill_links(net, &vlan_link_ops);
vlan_proc_cleanup(net);
kfree(vn);
}
static struct pernet_operations vlan_net_ops = {
.init = vlan_init_net,
.exit = vlan_exit_net,
.id = &vlan_net_id,
.size = sizeof(struct vlan_net),
};
static int __init vlan_proto_init(void)
@ -736,7 +717,7 @@ static int __init vlan_proto_init(void)
pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright);
pr_info("All bugs added by %s\n", vlan_buggyright);
err = register_pernet_gen_device(&vlan_net_id, &vlan_net_ops);
err = register_pernet_device(&vlan_net_ops);
if (err < 0)
goto err0;
@ -761,7 +742,7 @@ err4:
err3:
unregister_netdevice_notifier(&vlan_notifier_block);
err2:
unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
unregister_pernet_device(&vlan_net_ops);
err0:
return err;
}
@ -781,7 +762,7 @@ static void __exit vlan_cleanup_module(void)
for (i = 0; i < VLAN_GRP_HASH_SIZE; i++)
BUG_ON(!hlist_empty(&vlan_group_hash[i]));
unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
unregister_pernet_device(&vlan_net_ops);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
vlan_gvrp_uninit();