1 files changed, 9 insertions, 18 deletions

diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index e550240c85e1..590737c27537 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -174,11 +174,6 @@ vti6_tnl_unlink(struct vti6_net *ip6n, struct ip6_tnl *t)
 	}
 }
 
-static void vti6_dev_free(struct net_device *dev)
-{
-	free_percpu(dev->tstats);
-}
-
 static int vti6_tnl_create2(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
@@ -671,7 +666,8 @@ static void vti6_link_config(struct ip6_tnl *t, bool keep_mtu)
 		dev->flags &= ~IFF_POINTOPOINT;
 
 	if (keep_mtu && dev->mtu) {
-		dev->mtu = clamp(dev->mtu, dev->min_mtu, dev->max_mtu);
+		WRITE_ONCE(dev->mtu,
+			   clamp(dev->mtu, dev->min_mtu, dev->max_mtu));
 		return;
 	}
 
@@ -892,7 +888,6 @@ static const struct net_device_ops vti6_netdev_ops = {
 	.ndo_uninit	= vti6_dev_uninit,
 	.ndo_start_xmit = vti6_tnl_xmit,
 	.ndo_siocdevprivate = vti6_siocdevprivate,
-	.ndo_get_stats64 = dev_get_tstats64,
 	.ndo_get_iflink = ip6_tnl_get_iflink,
 };
 
@@ -908,8 +903,8 @@ static void vti6_dev_setup(struct net_device *dev)
 	dev->netdev_ops = &vti6_netdev_ops;
 	dev->header_ops = &ip_tunnel_header_ops;
 	dev->needs_free_netdev = true;
-	dev->priv_destructor = vti6_dev_free;
 
+	dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
 	dev->type = ARPHRD_TUNNEL6;
 	dev->min_mtu = IPV4_MIN_MTU;
 	dev->max_mtu = IP_MAX_MTU - sizeof(struct ipv6hdr);
@@ -931,10 +926,8 @@ static inline int vti6_dev_init_gen(struct net_device *dev)
 
 	t->dev = dev;
 	t->net = dev_net(dev);
-	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
-	if (!dev->tstats)
-		return -ENOMEM;
 	netdev_hold(dev, &t->dev_tracker, GFP_KERNEL);
+	netdev_lockdep_set_classes(dev);
 	return 0;
 }
 
@@ -1174,24 +1167,22 @@ err_alloc_dev:
 	return err;
 }
 
-static void __net_exit vti6_exit_batch_net(struct list_head *net_list)
+static void __net_exit vti6_exit_batch_rtnl(struct list_head *net_list,
+					    struct list_head *dev_to_kill)
 {
 	struct vti6_net *ip6n;
 	struct net *net;
-	LIST_HEAD(list);
 
-	rtnl_lock();
+	ASSERT_RTNL();
 	list_for_each_entry(net, net_list, exit_list) {
 		ip6n = net_generic(net, vti6_net_id);
-		vti6_destroy_tunnels(ip6n, &list);
+		vti6_destroy_tunnels(ip6n, dev_to_kill);
 	}
-	unregister_netdevice_many(&list);
-	rtnl_unlock();
 }
 
 static struct pernet_operations vti6_net_ops = {
 	.init = vti6_init_net,
-	.exit_batch = vti6_exit_batch_net,
+	.exit_batch_rtnl = vti6_exit_batch_rtnl,
 	.id   = &vti6_net_id,
 	.size = sizeof(struct vti6_net),
 };