netdevice: safe convert to netdev_priv() #part-3

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/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 93f7476..57f6c12 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -945,7 +945,7 @@
 		 union iwreq_data *wrqu, char *extra)
 {
 	DECLARE_SSID_BUF(ssid);
-	struct lbs_private *priv = dev->priv;
+	struct lbs_private *priv = netdev_priv(dev);
 	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_WEXT);
@@ -1008,7 +1008,7 @@
 		 struct iw_point *dwrq, char *extra)
 {
 #define SCAN_ITEM_SIZE 128
-	struct lbs_private *priv = dev->priv;
+	struct lbs_private *priv = netdev_priv(dev);
 	int err = 0;
 	char *ev = extra;
 	char *stop = ev + dwrq->length;