via-rhine: changed to use netdev_alloc_skb() from dev_alloc_skb

Use netdev_alloc_skb. This sets skb->dev and allows
arch specific allocation. Also cleanup the alignment code.

Signed-off-by:	Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 96dff04..5b78700 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -914,7 +914,7 @@
 
 	/* Fill in the Rx buffers.  Handle allocation failure gracefully. */
 	for (i = 0; i < RX_RING_SIZE; i++) {
-		struct sk_buff *skb = dev_alloc_skb(rp->rx_buf_sz);
+		struct sk_buff *skb = netdev_alloc_skb(dev, rp->rx_buf_sz);
 		rp->rx_skbuff[i] = skb;
 		if (skb == NULL)
 			break;
@@ -1473,8 +1473,8 @@
 			/* Check if the packet is long enough to accept without
 			   copying to a minimally-sized skbuff. */
 			if (pkt_len < rx_copybreak &&
-				(skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
-				skb_reserve(skb, 2);	/* 16 byte align the IP header */
+				(skb = netdev_alloc_skb(dev, pkt_len + NET_IP_ALIGN)) != NULL) {
+				skb_reserve(skb, NET_IP_ALIGN);	/* 16 byte align the IP header */
 				pci_dma_sync_single_for_cpu(rp->pdev,
 							    rp->rx_skbuff_dma[entry],
 							    rp->rx_buf_sz,
@@ -1518,7 +1518,7 @@
 		struct sk_buff *skb;
 		entry = rp->dirty_rx % RX_RING_SIZE;
 		if (rp->rx_skbuff[entry] == NULL) {
-			skb = dev_alloc_skb(rp->rx_buf_sz);
+			skb = netdev_alloc_skb(dev, rp->rx_buf_sz);
 			rp->rx_skbuff[entry] = skb;
 			if (skb == NULL)
 				break;	/* Better luck next round. */