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net: Simplify ip6_tunnel pernet operations.

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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 15:46:15 +00:00 committed by David S. Miller
parent 86de8a631e
commit ac31cd3cba
1 changed files with 6 additions and 19 deletions
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25
net/ipv6/ip6_tunnel.c
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@ -1409,17 +1409,8 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
static int ip6_tnl_init_net(struct net *net)
{
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
int err;
struct ip6_tnl_net *ip6n;
err = -ENOMEM;
ip6n = kzalloc(sizeof(struct ip6_tnl_net), GFP_KERNEL);
if (ip6n == NULL)
goto err_alloc;
err = net_assign_generic(net, ip6_tnl_net_id, ip6n);
if (err < 0)
goto err_assign;
ip6n->tnls[0] = ip6n->tnls_wc;
ip6n->tnls[1] = ip6n->tnls_r_l;
@ -1442,27 +1433,23 @@ static int ip6_tnl_init_net(struct net *net)
err_register:
free_netdev(ip6n->fb_tnl_dev);
err_alloc_dev:
/* nothing */
err_assign:
kfree(ip6n);
err_alloc:
return err;
}
static void ip6_tnl_exit_net(struct net *net)
{
struct ip6_tnl_net *ip6n;
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
ip6n = net_generic(net, ip6_tnl_net_id);
rtnl_lock();
ip6_tnl_destroy_tunnels(ip6n);
rtnl_unlock();
kfree(ip6n);
}
static struct pernet_operations ip6_tnl_net_ops = {
.init = ip6_tnl_init_net,
.exit = ip6_tnl_exit_net,
.id = &ip6_tnl_net_id,
.size = sizeof(struct ip6_tnl_net),
};
/**
@ -1487,7 +1474,7 @@ static int __init ip6_tunnel_init(void)
goto unreg_ip4ip6;
}
err = register_pernet_gen_device(&ip6_tnl_net_id, &ip6_tnl_net_ops);
err = register_pernet_device(&ip6_tnl_net_ops);
if (err < 0)
goto err_pernet;
return 0;
@ -1511,7 +1498,7 @@ static void __exit ip6_tunnel_cleanup(void)
if (xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6))
printk(KERN_INFO "ip6_tunnel close: can't deregister ip6ip6\n");
unregister_pernet_gen_device(ip6_tnl_net_id, &ip6_tnl_net_ops);
unregister_pernet_device(&ip6_tnl_net_ops);
}
module_init(ip6_tunnel_init);