Phonet: improve GPRS variable names

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 22848dd..0b640b0 100644 (file)
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -40,7 +40,7 @@ struct gprs_dev {
        void                    (*old_data_ready)(struct sock *, int);
        void                    (*old_write_space)(struct sock *);
 
-       struct net_device       *net;
+       struct net_device       *dev;
 
        struct sk_buff_head     tx_queue;
        struct work_struct      tx_work;
@@ -72,17 +72,19 @@ static __be16 gprs_type_trans(struct sk_buff *skb)
 
 static void gprs_state_change(struct sock *sk)
 {
-       struct gprs_dev *dev = sk->sk_user_data;
+       struct gprs_dev *gp = sk->sk_user_data;
 
        if (sk->sk_state == TCP_CLOSE_WAIT) {
-               netif_stop_queue(dev->net);
-               netif_carrier_off(dev->net);
+               struct net_device *dev = gp->dev;
+
+               netif_stop_queue(dev);
+               netif_carrier_off(dev);
        }
 }
 
-static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
+static int gprs_recv(struct gprs_dev *gp, struct sk_buff *skb)
 {
-       struct net_device *net = dev->net;
+       struct net_device *dev = gp->dev;
        int err = 0;
        __be16 protocol = gprs_type_trans(skb);
 
@@ -99,7 +101,7 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
                 * so wrap the IP packet as a single fragment of an head-less
                 * socket buffer. The network stack will pull what it needs,
                 * but at least, the whole IP payload is not memcpy'd. */
-               rskb = netdev_alloc_skb(net, 0);
+               rskb = netdev_alloc_skb(dev, 0);
                if (!rskb) {
                        err = -ENOBUFS;
                        goto drop;
@@ -123,11 +125,11 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
 
        skb->protocol = protocol;
        skb_reset_mac_header(skb);
-       skb->dev = net;
+       skb->dev = dev;
 
-       if (likely(net->flags & IFF_UP)) {
-               net->stats.rx_packets++;
-               net->stats.rx_bytes += skb->len;
+       if (likely(dev->flags & IFF_UP)) {
+               dev->stats.rx_packets++;
+               dev->stats.rx_bytes += skb->len;
                netif_rx(skb);
                skb = NULL;
        } else
@@ -136,33 +138,33 @@ static int gprs_recv(struct gprs_dev *dev, struct sk_buff *skb)
 drop:
        if (skb) {
                dev_kfree_skb(skb);
-               net->stats.rx_dropped++;
+               dev->stats.rx_dropped++;
        }
        return err;
 }
 
 static void gprs_data_ready(struct sock *sk, int len)
 {
-       struct gprs_dev *dev = sk->sk_user_data;
+       struct gprs_dev *gp = sk->sk_user_data;
        struct sk_buff *skb;
 
        while ((skb = pep_read(sk)) != NULL) {
                skb_orphan(skb);
-               gprs_recv(dev, skb);
+               gprs_recv(gp, skb);
        }
 }
 
 static void gprs_write_space(struct sock *sk)
 {
-       struct gprs_dev *dev = sk->sk_user_data;
-       struct net_device *net = dev->net;
+       struct gprs_dev *gp = sk->sk_user_data;
+       struct net_device *dev = gp->dev;
        unsigned credits = pep_writeable(sk);
 
-       spin_lock_bh(&dev->tx_lock);
-       dev->tx_max = credits;
-       if (credits > skb_queue_len(&dev->tx_queue) && netif_running(net))
-               netif_wake_queue(net);
-       spin_unlock_bh(&dev->tx_lock);
+       spin_lock_bh(&gp->tx_lock);
+       gp->tx_max = credits;
+       if (credits > skb_queue_len(&gp->tx_queue) && netif_running(dev))
+               netif_wake_queue(dev);
+       spin_unlock_bh(&gp->tx_lock);
 }
 
 /*
@@ -186,9 +188,9 @@ static int gprs_close(struct net_device *dev)
        return 0;
 }
 
-static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
+static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-       struct gprs_dev *dev = netdev_priv(net);
+       struct gprs_dev *gp = netdev_priv(dev);
 
        switch (skb->protocol) {
        case  htons(ETH_P_IP):
@@ -199,16 +201,16 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
                return 0;
        }
 
-       spin_lock(&dev->tx_lock);
-       if (likely(skb_queue_len(&dev->tx_queue) < dev->tx_max)) {
-               skb_queue_tail(&dev->tx_queue, skb);
+       spin_lock(&gp->tx_lock);
+       if (likely(skb_queue_len(&gp->tx_queue) < gp->tx_max)) {
+               skb_queue_tail(&gp->tx_queue, skb);
                skb = NULL;
        }
-       if (skb_queue_len(&dev->tx_queue) >= dev->tx_max)
-               netif_stop_queue(net);
-       spin_unlock(&dev->tx_lock);
+       if (skb_queue_len(&gp->tx_queue) >= gp->tx_max)
+               netif_stop_queue(dev);
+       spin_unlock(&gp->tx_lock);
 
-       schedule_work(&dev->tx_work);
+       schedule_work(&gp->tx_work);
        if (unlikely(skb))
                dev_kfree_skb(skb);
        return 0;
@@ -216,16 +218,16 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *net)
 
 static void gprs_tx(struct work_struct *work)
 {
-       struct gprs_dev *dev = container_of(work, struct gprs_dev, tx_work);
-       struct net_device *net = dev->net;
-       struct sock *sk = dev->sk;
+       struct gprs_dev *gp = container_of(work, struct gprs_dev, tx_work);
+       struct net_device *dev = gp->dev;
+       struct sock *sk = gp->sk;
        struct sk_buff *skb;
 
-       while ((skb = skb_dequeue(&dev->tx_queue)) != NULL) {
+       while ((skb = skb_dequeue(&gp->tx_queue)) != NULL) {
                int err;
 
-               net->stats.tx_bytes += skb->len;
-               net->stats.tx_packets++;
+               dev->stats.tx_bytes += skb->len;
+               dev->stats.tx_packets++;
 
                skb_orphan(skb);
                skb_set_owner_w(skb, sk);
@@ -234,9 +236,9 @@ static void gprs_tx(struct work_struct *work)
                err = pep_write(sk, skb);
                if (err) {
                        LIMIT_NETDEBUG(KERN_WARNING"%s: TX error (%d)\n",
-                                       net->name, err);
-                       net->stats.tx_aborted_errors++;
-                       net->stats.tx_errors++;
+                                       dev->name, err);
+                       dev->stats.tx_aborted_errors++;
+                       dev->stats.tx_errors++;
                }
                release_sock(sk);
        }
@@ -246,30 +248,30 @@ static void gprs_tx(struct work_struct *work)
        release_sock(sk);
 }
 
-static int gprs_set_mtu(struct net_device *net, int new_mtu)
+static int gprs_set_mtu(struct net_device *dev, int new_mtu)
 {
        if ((new_mtu < 576) || (new_mtu > (PHONET_MAX_MTU - 11)))
                return -EINVAL;
 
-       net->mtu = new_mtu;
+       dev->mtu = new_mtu;
        return 0;
 }
 
-static void gprs_setup(struct net_device *net)
+static void gprs_setup(struct net_device *dev)
 {
-       net->features           = NETIF_F_FRAGLIST;
-       net->type               = ARPHRD_NONE;
-       net->flags              = IFF_POINTOPOINT | IFF_NOARP;
-       net->mtu                = GPRS_DEFAULT_MTU;
-       net->hard_header_len    = 0;
-       net->addr_len           = 0;
-       net->tx_queue_len       = 10;
-
-       net->destructor         = free_netdev;
-       net->open               = gprs_open;
-       net->stop               = gprs_close;
-       net->hard_start_xmit    = gprs_xmit; /* mandatory */
-       net->change_mtu         = gprs_set_mtu;
+       dev->features           = NETIF_F_FRAGLIST;
+       dev->type               = ARPHRD_NONE;
+       dev->flags              = IFF_POINTOPOINT | IFF_NOARP;
+       dev->mtu                = GPRS_DEFAULT_MTU;
+       dev->hard_header_len    = 0;
+       dev->addr_len           = 0;
+       dev->tx_queue_len       = 10;
+
+       dev->destructor         = free_netdev;
+       dev->open               = gprs_open;
+       dev->stop               = gprs_close;
+       dev->hard_start_xmit    = gprs_xmit; /* mandatory */
+       dev->change_mtu         = gprs_set_mtu;
 }
 
 /*
@@ -283,28 +285,28 @@ static void gprs_setup(struct net_device *net)
 int gprs_attach(struct sock *sk)
 {
        static const char ifname[] = "gprs%d";
-       struct gprs_dev *dev;
-       struct net_device *net;
+       struct gprs_dev *gp;
+       struct net_device *dev;
        int err;
 
        if (unlikely(sk->sk_type == SOCK_STREAM))
                return -EINVAL; /* need packet boundaries */
 
        /* Create net device */
-       net = alloc_netdev(sizeof(*dev), ifname, gprs_setup);
-       if (!net)
+       dev = alloc_netdev(sizeof(*gp), ifname, gprs_setup);
+       if (!dev)
                return -ENOMEM;
-       dev = netdev_priv(net);
-       dev->net = net;
-       dev->tx_max = 0;
-       spin_lock_init(&dev->tx_lock);
-       skb_queue_head_init(&dev->tx_queue);
-       INIT_WORK(&dev->tx_work, gprs_tx);
-
-       netif_stop_queue(net);
-       err = register_netdev(net);
+       gp = netdev_priv(dev);
+       gp->dev = dev;
+       gp->tx_max = 0;
+       spin_lock_init(&gp->tx_lock);
+       skb_queue_head_init(&gp->tx_queue);
+       INIT_WORK(&gp->tx_work, gprs_tx);
+
+       netif_stop_queue(dev);
+       err = register_netdev(dev);
        if (err) {
-               free_netdev(net);
+               free_netdev(dev);
                return err;
        }
 
@@ -318,40 +320,40 @@ int gprs_attach(struct sock *sk)
                err = -EINVAL;
                goto out_rel;
        }
-       sk->sk_user_data        = dev;
-       dev->old_state_change   = sk->sk_state_change;
-       dev->old_data_ready     = sk->sk_data_ready;
-       dev->old_write_space    = sk->sk_write_space;
+       sk->sk_user_data        = gp;
+       gp->old_state_change    = sk->sk_state_change;
+       gp->old_data_ready      = sk->sk_data_ready;
+       gp->old_write_space     = sk->sk_write_space;
        sk->sk_state_change     = gprs_state_change;
        sk->sk_data_ready       = gprs_data_ready;
        sk->sk_write_space      = gprs_write_space;
        release_sock(sk);
 
        sock_hold(sk);
-       dev->sk = sk;
+       gp->sk = sk;
 
-       printk(KERN_DEBUG"%s: attached\n", net->name);
-       return net->ifindex;
+       printk(KERN_DEBUG"%s: attached\n", dev->name);
+       return dev->ifindex;
 
 out_rel:
        release_sock(sk);
-       unregister_netdev(net);
+       unregister_netdev(dev);
        return err;
 }
 
 void gprs_detach(struct sock *sk)
 {
-       struct gprs_dev *dev = sk->sk_user_data;
-       struct net_device *net = dev->net;
+       struct gprs_dev *gp = sk->sk_user_data;
+       struct net_device *dev = gp->dev;
 
        lock_sock(sk);
        sk->sk_user_data        = NULL;
-       sk->sk_state_change     = dev->old_state_change;
-       sk->sk_data_ready       = dev->old_data_ready;
-       sk->sk_write_space      = dev->old_write_space;
+       sk->sk_state_change     = gp->old_state_change;
+       sk->sk_data_ready       = gp->old_data_ready;
+       sk->sk_write_space      = gp->old_write_space;
        release_sock(sk);
 
-       printk(KERN_DEBUG"%s: detached\n", net->name);
-       unregister_netdev(net);
+       printk(KERN_DEBUG"%s: detached\n", dev->name);
+       unregister_netdev(dev);
        sock_put(sk);
 }