From: Eric W. Biederman <ebiederm@xmission.com>

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>
---
 net/ipv6/ip6_tunnel.c |   25 ++++++-------------------
 1 files changed, 6 insertions(+), 19 deletions(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index e5c0f6b..d453d07 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -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);
-- 
1.6.5.2.143.g8cc62

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