netdevice: safe convert to netdev_priv() #part-2

We have some reasons to kill netdev->priv:
1. netdev->priv is equal to netdev_priv().
2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
   netdev_priv() is more flexible than netdev->priv.
But we cann't kill netdev->priv, because so many drivers reference to it
directly.

This patch is a safe convert for netdev->priv to netdev_priv(netdev).
Since all of the netdev->priv is only for read.
But it is too big to be sent in one mail.
I split it to 4 parts and make every part smaller than 100,000 bytes,
which is max size allowed by vger.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index aa6fef8..ccde5829 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -298,7 +298,7 @@
 	if (!dev)
 		return 0;
 
-	si = dev->priv;
+	si = netdev_priv(dev);
 	if (si->open) {
 		/*
 		 * Stop the transmit queue
@@ -323,7 +323,7 @@
 	if (!dev)
 		return 0;
 
-	si = dev->priv;
+	si = netdev_priv(dev);
 	if (si->open) {
 		/*
 		 * If we missed a speed change, initialise at the new speed
@@ -359,7 +359,7 @@
  */
 static void sa1100_irda_hpsir_irq(struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	int status;
 
 	status = Ser2UTSR0;
@@ -532,7 +532,7 @@
  */
 static void sa1100_irda_fir_irq(struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 
 	/*
 	 * Stop RX DMA
@@ -580,7 +580,7 @@
 static irqreturn_t sa1100_irda_irq(int irq, void *dev_id)
 {
 	struct net_device *dev = dev_id;
-	if (IS_FIR(((struct sa1100_irda *)dev->priv)))
+	if (IS_FIR(((struct sa1100_irda *)netdev_priv(dev))))
 		sa1100_irda_fir_irq(dev);
 	else
 		sa1100_irda_hpsir_irq(dev);
@@ -593,7 +593,7 @@
 static void sa1100_irda_txdma_irq(void *id)
 {
 	struct net_device *dev = id;
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	struct sk_buff *skb = si->txskb;
 
 	si->txskb = NULL;
@@ -647,7 +647,7 @@
 
 static int sa1100_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	int speed = irda_get_next_speed(skb);
 
 	/*
@@ -722,7 +722,7 @@
 sa1100_irda_ioctl(struct net_device *dev, struct ifreq *ifreq, int cmd)
 {
 	struct if_irda_req *rq = (struct if_irda_req *)ifreq;
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	int ret = -EOPNOTSUPP;
 
 	switch (cmd) {
@@ -764,13 +764,13 @@
 
 static struct net_device_stats *sa1100_irda_stats(struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	return &si->stats;
 }
 
 static int sa1100_irda_start(struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 	int err;
 
 	si->speed = 9600;
@@ -833,7 +833,7 @@
 
 static int sa1100_irda_stop(struct net_device *dev)
 {
-	struct sa1100_irda *si = dev->priv;
+	struct sa1100_irda *si = netdev_priv(dev);
 
 	disable_irq(dev->irq);
 	sa1100_irda_shutdown(si);
@@ -906,7 +906,7 @@
 	if (!dev)
 		goto err_mem_4;
 
-	si = dev->priv;
+	si = netdev_priv(dev);
 	si->dev = &pdev->dev;
 	si->pdata = pdev->dev.platform_data;
 
@@ -985,7 +985,7 @@
 	struct net_device *dev = platform_get_drvdata(pdev);
 
 	if (dev) {
-		struct sa1100_irda *si = dev->priv;
+		struct sa1100_irda *si = netdev_priv(dev);
 		unregister_netdev(dev);
 		kfree(si->tx_buff.head);
 		kfree(si->rx_buff.head);