usbnet whitespace fixes

Whitespace updates for usbnet core, mostly switching to tab-only indents.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/net/usb/usbnet.c

@@ -326,7 +326,7 @@ static void rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 	if (netif_running (dev->net)
 			&& netif_device_present (dev->net)
 			&& !test_bit (EVENT_RX_HALT, &dev->flags)) {
-		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)){
+		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
 		case -EPIPE:
 			usbnet_defer_kevent (dev, EVENT_RX_HALT);
 			break;
@@ -393,7 +393,7 @@ static void rx_complete (struct urb *urb)
 	entry->urb = NULL;
 
 	switch (urb_status) {
-	    // success
+	/* success */
 	case 0:
 		if (skb->len < dev->net->hard_header_len) {
 			entry->state = rx_cleanup;
@@ -404,25 +404,27 @@ static void rx_complete (struct urb *urb)
 		}
 		break;
 
-	    // stalls need manual reset. this is rare ... except that
-	    // when going through USB 2.0 TTs, unplug appears this way.
-	    // we avoid the highspeed version of the ETIMEOUT/EILSEQ
-	    // storm, recovering as needed.
+	/* stalls need manual reset. this is rare ... except that
+	 * when going through USB 2.0 TTs, unplug appears this way.
+	 * we avoid the highspeed version of the ETIMEOUT/EILSEQ
+	 * storm, recovering as needed.
+	 */
 	case -EPIPE:
 		dev->stats.rx_errors++;
 		usbnet_defer_kevent (dev, EVENT_RX_HALT);
 		// FALLTHROUGH
 
-	    // software-driven interface shutdown
-	    case -ECONNRESET:		// async unlink
-	    case -ESHUTDOWN:		// hardware gone
+	/* software-driven interface shutdown */
+	case -ECONNRESET:		/* async unlink */
+	case -ESHUTDOWN:		/* hardware gone */
 		if (netif_msg_ifdown (dev))
 			devdbg (dev, "rx shutdown, code %d", urb_status);
 		goto block;
 
-	    // we get controller i/o faults during khubd disconnect() delays.
-	    // throttle down resubmits, to avoid log floods; just temporarily,
-	    // so we still recover when the fault isn't a khubd delay.
+	/* we get controller i/o faults during khubd disconnect() delays.
+	 * throttle down resubmits, to avoid log floods; just temporarily,
+	 * so we still recover when the fault isn't a khubd delay.
+	 */
 	case -EPROTO:
 	case -ETIME:
 	case -EILSEQ:
@@ -438,7 +440,7 @@ static void rx_complete (struct urb *urb)
 		urb = NULL;
 		break;
 
-	    // data overrun ... flush fifo?
+	/* data overrun ... flush fifo? */
 	case -EOVERFLOW:
 		dev->stats.rx_over_errors++;
 		// FALLTHROUGH
@@ -477,8 +479,8 @@ static void intr_complete (struct urb *urb)
 		break;
 
 	/* software-driven interface shutdown */
-	    case -ENOENT:		// urb killed
-	    case -ESHUTDOWN:		// hardware gone
+	case -ENOENT:		/* urb killed */
+	case -ESHUTDOWN:	/* hardware gone */
 		if (netif_msg_ifdown (dev))
 			devdbg (dev, "intr shutdown, code %d", status);
 		return;
@@ -569,9 +571,9 @@ static int usbnet_stop (struct net_device *net)
 	temp = unlink_urbs (dev, &dev->txq) + unlink_urbs (dev, &dev->rxq);
 
 	// maybe wait for deletions to finish.
-	while (!skb_queue_empty(&dev->rxq) &&
-	       !skb_queue_empty(&dev->txq) &&
-	       !skb_queue_empty(&dev->done)) {
+	while (!skb_queue_empty(&dev->rxq)
+			&& !skb_queue_empty(&dev->txq)
+			&& !skb_queue_empty(&dev->done)) {
 		msleep(UNLINK_TIMEOUT_MS);
 		if (netif_msg_ifdown (dev))
 			devdbg (dev, "waited for %d urb completions", temp);