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/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index fa60020..161d591 100644
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -178,7 +178,7 @@
 		goto err_out;
 	}
 
-	self = dev->priv;
+	self = netdev_priv(dev);
 	spin_lock_init(&self->lock);
    
 
@@ -497,7 +497,7 @@
 	__u8 set;
 	int mtt;
 	
-	self = (struct w83977af_ir *) dev->priv;
+	self = netdev_priv(dev);
 
 	iobase = self->io.fir_base;
 
@@ -1118,7 +1118,7 @@
 	__u8 set, icr, isr;
 	int iobase;
 
-	self = dev->priv;
+	self = netdev_priv(dev);
 
 	iobase = self->io.fir_base;
 
@@ -1191,7 +1191,7 @@
 	IRDA_DEBUG(0, "%s()\n", __func__ );
 	
 	IRDA_ASSERT(dev != NULL, return -1;);
-	self = (struct w83977af_ir *) dev->priv;
+	self = netdev_priv(dev);
 	
 	IRDA_ASSERT(self != NULL, return 0;);
 	
@@ -1255,7 +1255,7 @@
 
 	IRDA_ASSERT(dev != NULL, return -1;);
 	
-	self = (struct w83977af_ir *) dev->priv;
+	self = netdev_priv(dev);
 	
 	IRDA_ASSERT(self != NULL, return 0;);
 	
@@ -1302,7 +1302,7 @@
 
 	IRDA_ASSERT(dev != NULL, return -1;);
 
-	self = dev->priv;
+	self = netdev_priv(dev);
 
 	IRDA_ASSERT(self != NULL, return -1;);
 
@@ -1338,7 +1338,7 @@
 
 static struct net_device_stats *w83977af_net_get_stats(struct net_device *dev)
 {
-	struct w83977af_ir *self = (struct w83977af_ir *) dev->priv;
+	struct w83977af_ir *self = netdev_priv(dev);
 	
 	return &self->stats;
 }