net: wan: code indent use tabs where possible

Code indent should use tabs where possible.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/wanxl.c

@@ -54,7 +54,7 @@ struct port {
 	struct net_device *dev;
 	struct card *card;
 	spinlock_t lock;	/* for wanxl_xmit */
-        int node;		/* physical port #0 - 3 */
+	int node;		/* physical port #0 - 3 */
 	unsigned int clock_type;
 	int tx_in, tx_out;
 	struct sk_buff *tx_skbs[TX_BUFFERS];
@@ -153,7 +153,7 @@ static inline void wanxl_tx_intr(struct port *port)
 	struct net_device *dev = port->dev;
 
 	while (1) {
-                desc_t *desc = &get_status(port)->tx_descs[port->tx_in];
+		desc_t *desc = &get_status(port)->tx_descs[port->tx_in];
 		struct sk_buff *skb = port->tx_skbs[port->tx_in];
 
 		switch (desc->stat) {
@@ -171,12 +171,12 @@ static inline void wanxl_tx_intr(struct port *port)
 			dev->stats.tx_packets++;
 			dev->stats.tx_bytes += skb->len;
 		}
-                desc->stat = PACKET_EMPTY; /* Free descriptor */
+		desc->stat = PACKET_EMPTY; /* Free descriptor */
 		dma_unmap_single(&port->card->pdev->dev, desc->address,
 				 skb->len, DMA_TO_DEVICE);
 		dev_consume_skb_irq(skb);
-                port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
-        }
+		port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
+	}
 }
 
 /* Receive complete interrupt service */
@@ -233,15 +233,15 @@ static inline void wanxl_rx_intr(struct card *card)
 static irqreturn_t wanxl_intr(int irq, void *dev_id)
 {
 	struct card *card = dev_id;
-        int i;
-        u32 stat;
-        int handled = 0;
+	int i;
+	u32 stat;
+	int handled = 0;
 
-        while((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) {
-                handled = 1;
+	while ((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) {
+		handled = 1;
 		writel(stat, card->plx + PLX_DOORBELL_FROM_CARD);
 
-                for (i = 0; i < card->n_ports; i++) {
+		for (i = 0; i < card->n_ports; i++) {
 			if (stat & (1 << (DOORBELL_FROM_CARD_TX_0 + i)))
 				wanxl_tx_intr(&card->ports[i]);
 			if (stat & (1 << (DOORBELL_FROM_CARD_CABLE_0 + i)))
@@ -249,9 +249,9 @@ static irqreturn_t wanxl_intr(int irq, void *dev_id)
 		}
 		if (stat & (1 << DOORBELL_FROM_CARD_RX))
 			wanxl_rx_intr(card);
-        }
+	}
 
-        return IRQ_RETVAL(handled);
+	return IRQ_RETVAL(handled);
 }
 
 static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -259,11 +259,11 @@ static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct port *port = dev_to_port(dev);
 	desc_t *desc;
 
-        spin_lock(&port->lock);
+	spin_lock(&port->lock);
 
 	desc = &get_status(port)->tx_descs[port->tx_out];
-        if (desc->stat != PACKET_EMPTY) {
-                /* should never happen - previous xmit should stop queue */
+	if (desc->stat != PACKET_EMPTY) {
+		/* should never happen - previous xmit should stop queue */
 #ifdef DEBUG_PKT
                 printk(KERN_DEBUG "%s: transmitter buffer full\n", dev->name);
 #endif
@@ -366,7 +366,7 @@ static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
 	default:
 		return hdlc_ioctl(dev, ifr, cmd);
-        }
+	}
 }
 
 static int wanxl_open(struct net_device *dev)