UBUNTU: Ubuntu-raspi2-4.13.0-1014.15

[mirror_ubuntu-artful-kernel.git] / net / l2tp / l2tp_eth.c

diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 4de2ec94b08cbf5aba016da754b799c46d5f378a..cf456720930c7d7342fc7094480c47b5ce7beecf 100644 (file)
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -44,7 +44,6 @@ struct l2tp_eth {
        struct net_device       *dev;
        struct sock             *tunnel_sock;
        struct l2tp_session     *session;
-       struct list_head        list;
        atomic_long_t           tx_bytes;
        atomic_long_t           tx_packets;
        atomic_long_t           tx_dropped;
@@ -58,17 +57,6 @@ struct l2tp_eth_sess {
        struct net_device       *dev;
 };
 
-/* per-net private data for this module */
-static unsigned int l2tp_eth_net_id;
-struct l2tp_eth_net {
-       struct list_head l2tp_eth_dev_list;
-       spinlock_t l2tp_eth_lock;
-};
-
-static inline struct l2tp_eth_net *l2tp_eth_pernet(struct net *net)
-{
-       return net_generic(net, l2tp_eth_net_id);
-}
 
 static int l2tp_eth_dev_init(struct net_device *dev)
 {
@@ -84,12 +72,6 @@ static int l2tp_eth_dev_init(struct net_device *dev)
 
 static void l2tp_eth_dev_uninit(struct net_device *dev)
 {
-       struct l2tp_eth *priv = netdev_priv(dev);
-       struct l2tp_eth_net *pn = l2tp_eth_pernet(dev_net(dev));
-
-       spin_lock(&pn->l2tp_eth_lock);
-       list_del_init(&priv->list);
-       spin_unlock(&pn->l2tp_eth_lock);
        dev_put(dev);
 }
 
@@ -272,7 +254,6 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p
        struct l2tp_eth *priv;
        struct l2tp_eth_sess *spriv;
        int rc;
-       struct l2tp_eth_net *pn;
 
        tunnel = l2tp_tunnel_find(net, tunnel_id);
        if (!tunnel) {
@@ -310,7 +291,6 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p
        priv = netdev_priv(dev);
        priv->dev = dev;
        priv->session = session;
-       INIT_LIST_HEAD(&priv->list);
 
        priv->tunnel_sock = tunnel->sock;
        session->recv_skb = l2tp_eth_dev_recv;
@@ -331,10 +311,6 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p
        strlcpy(session->ifname, dev->name, IFNAMSIZ);
 
        dev_hold(dev);
-       pn = l2tp_eth_pernet(dev_net(dev));
-       spin_lock(&pn->l2tp_eth_lock);
-       list_add(&priv->list, &pn->l2tp_eth_dev_list);
-       spin_unlock(&pn->l2tp_eth_lock);
 
        return 0;
 
@@ -347,22 +323,6 @@ out:
        return rc;
 }
 
-static __net_init int l2tp_eth_init_net(struct net *net)
-{
-       struct l2tp_eth_net *pn = net_generic(net, l2tp_eth_net_id);
-
-       INIT_LIST_HEAD(&pn->l2tp_eth_dev_list);
-       spin_lock_init(&pn->l2tp_eth_lock);
-
-       return 0;
-}
-
-static struct pernet_operations l2tp_eth_net_ops = {
-       .init = l2tp_eth_init_net,
-       .id   = &l2tp_eth_net_id,
-       .size = sizeof(struct l2tp_eth_net),
-};
-
 
 static const struct l2tp_nl_cmd_ops l2tp_eth_nl_cmd_ops = {
        .session_create = l2tp_eth_create,
@@ -376,25 +336,18 @@ static int __init l2tp_eth_init(void)
 
        err = l2tp_nl_register_ops(L2TP_PWTYPE_ETH, &l2tp_eth_nl_cmd_ops);
        if (err)
-               goto out;
-
-       err = register_pernet_device(&l2tp_eth_net_ops);
-       if (err)
-               goto out_unreg;
+               goto err;
 
        pr_info("L2TP ethernet pseudowire support (L2TPv3)\n");
 
        return 0;
 
-out_unreg:
-       l2tp_nl_unregister_ops(L2TP_PWTYPE_ETH);
-out:
+err:
        return err;
 }
 
 static void __exit l2tp_eth_exit(void)
 {
-       unregister_pernet_device(&l2tp_eth_net_ops);
        l2tp_nl_unregister_ops(L2TP_PWTYPE_ETH);
 }