isdn: Kill directly reference of netdev->priv

Simply use netdev_priv() to replace netdev->priv.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/isdn/i4l/isdn_concap.c

@@ -42,7 +42,7 @@
 static int isdn_concap_dl_data_req(struct concap_proto *concap, struct sk_buff *skb)
 {
 	struct net_device *ndev = concap -> net_dev;
-	isdn_net_dev *nd = ((isdn_net_local *) ndev->priv)->netdev;
+	isdn_net_dev *nd = ((isdn_net_local *) netdev_priv(ndev))->netdev;
 	isdn_net_local *lp = isdn_net_get_locked_lp(nd);
 
 	IX25DEBUG( "isdn_concap_dl_data_req: %s \n", concap->net_dev->name);
@@ -61,7 +61,7 @@ static int isdn_concap_dl_data_req(struct concap_proto *concap, struct sk_buff *
 static int isdn_concap_dl_connect_req(struct concap_proto *concap)
 {
 	struct net_device *ndev = concap -> net_dev;
-	isdn_net_local *lp = (isdn_net_local *) ndev->priv;
+	isdn_net_local *lp = (isdn_net_local *) netdev_priv(ndev);
 	int ret;
 	IX25DEBUG( "isdn_concap_dl_connect_req: %s \n", ndev -> name);
 

drivers/isdn/i4l/isdn_net.h

@@ -56,6 +56,11 @@ extern void isdn_net_write_super(isdn_net_local *lp, struct sk_buff *skb);
 
 #define ISDN_NET_MAX_QUEUE_LENGTH 2
 
+#define ISDN_MASTER_PRIV(lp) ((isdn_net_local *) netdev_priv(lp->master))
+#define ISDN_SLAVE_PRIV(lp) ((isdn_net_local *) netdev_priv(lp->slave))
+#define MASTER_TO_SLAVE(master)	\
+			(((isdn_net_local *) netdev_priv(master))->slave)
+
 /*
  * is this particular channel busy?
  */
@@ -126,7 +131,7 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
 	unsigned long flags;
 
 	if (lp->master)
-		master_lp = (isdn_net_local *) lp->master->priv;
+		master_lp = ISDN_MASTER_PRIV(lp);
 
 //	printk(KERN_DEBUG "%s: lp:%s(%p) mlp:%s(%p) last(%p) next(%p) mndq(%p)\n",
 //		__func__, lp->name, lp, master_lp->name, master_lp, lp->last, lp->next, master_lp->netdev->queue);

drivers/isdn/i4l/isdn_ppp.c

@@ -1040,7 +1040,7 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
 	is = ippp_table[slot];
  	
  	if (lp->master) { // FIXME?
-		mlp = (isdn_net_local *) lp->master->priv;
+		mlp = ISDN_MASTER_PRIV(lp);
  		slot = mlp->ppp_slot;
  		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
  			printk(KERN_ERR "isdn_ppp_push_higher: master->ppp_slot(%d)\n",
@@ -1223,7 +1223,7 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
 	struct ippp_struct *ipt,*ipts;
 	int slot, retval = 0;
 
-	mlp = (isdn_net_local *) (netdev->priv);
+	mlp = (isdn_net_local *) netdev_priv(netdev);
 	nd = mlp->netdev;       /* get master lp */
 
 	slot = mlp->ppp_slot;
@@ -2013,7 +2013,7 @@ isdn_ppp_dev_ioctl_stats(int slot, struct ifreq *ifr, struct net_device *dev)
 {
 	struct ppp_stats __user *res = ifr->ifr_data;
 	struct ppp_stats t;
-	isdn_net_local *lp = (isdn_net_local *) dev->priv;
+	isdn_net_local *lp = (isdn_net_local *) netdev_priv(dev);
 
 	if (!access_ok(VERIFY_WRITE, res, sizeof(struct ppp_stats)))
 		return -EFAULT;
@@ -2052,7 +2052,7 @@ isdn_ppp_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
 	int error=0;
 	int len;
-	isdn_net_local *lp = (isdn_net_local *) dev->priv;
+	isdn_net_local *lp = (isdn_net_local *) netdev_priv(dev);
 
 
 	if (lp->p_encap != ISDN_NET_ENCAP_SYNCPPP)
@@ -2119,7 +2119,7 @@ isdn_ppp_dial_slave(char *name)
 
 	sdev = lp->slave;
 	while (sdev) {
-		isdn_net_local *mlp = (isdn_net_local *) sdev->priv;
+		isdn_net_local *mlp = (isdn_net_local *) netdev_priv(sdev);
 		if (!(mlp->flags & ISDN_NET_CONNECTED))
 			break;
 		sdev = mlp->slave;
@@ -2127,7 +2127,7 @@ isdn_ppp_dial_slave(char *name)
 	if (!sdev)
 		return 2;
 
-	isdn_net_dial_req((isdn_net_local *) sdev->priv);
+	isdn_net_dial_req((isdn_net_local *) netdev_priv(sdev));
 	return 0;
 #else
 	return -1;
@@ -2150,10 +2150,10 @@ isdn_ppp_hangup_slave(char *name)
 
 	sdev = lp->slave;
 	while (sdev) {
-		isdn_net_local *mlp = (isdn_net_local *) sdev->priv;
+		isdn_net_local *mlp = (isdn_net_local *) netdev_priv(sdev);
 
 		if (mlp->slave) { /* find last connected link in chain */
-			isdn_net_local *nlp = (isdn_net_local *) mlp->slave->priv;
+			isdn_net_local *nlp = ISDN_SLAVE_PRIV(mlp);
 
 			if (!(nlp->flags & ISDN_NET_CONNECTED))
 				break;
@@ -2688,7 +2688,7 @@ static void isdn_ppp_receive_ccp(isdn_net_dev *net_dev, isdn_net_local *lp,
 	isdn_ppp_frame_log("ccp-rcv", skb->data, skb->len, 32, is->unit,lp->ppp_slot);
 
 	if(lp->master) {
-		int slot = ((isdn_net_local *) (lp->master->priv))->ppp_slot;
+		int slot = ISDN_MASTER_PRIV(lp)->ppp_slot;
 		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 			printk(KERN_ERR "%s: slot(%d) out of range\n",
 				__func__, slot);
@@ -2875,7 +2875,7 @@ static void isdn_ppp_send_ccp(isdn_net_dev *net_dev, isdn_net_local *lp, struct
 	isdn_ppp_frame_log("ccp-xmit", skb->data, skb->len, 32, is->unit,lp->ppp_slot);
 
 	if (lp->master) {
-		slot = ((isdn_net_local *) (lp->master->priv))->ppp_slot;
+		slot = ISDN_MASTER_PRIV(lp)->ppp_slot;
 		if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
 			printk(KERN_ERR "%s: slot(%d) out of range\n",
 				__func__, slot);