fec: align receive packets

Otherwise we get a lot of alignment errors

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 5ca2d6b..ba3eb54 100644 (file)
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -598,13 +598,14 @@ fec_enet_rx(struct net_device *dev)
                 * include that when passing upstream as it messes up
                 * bridging applications.
                 */
-               skb = dev_alloc_skb(pkt_len - 4);
+               skb = dev_alloc_skb(pkt_len - 4 + NET_IP_ALIGN);
 
-               if (skb == NULL) {
+               if (unlikely(!skb)) {
                        printk("%s: Memory squeeze, dropping packet.\n",
                                        dev->name);
                        dev->stats.rx_dropped++;
                } else {
+                       skb_reserve(skb, NET_IP_ALIGN);
                        skb_put(skb, pkt_len - 4);      /* Make room */
                        skb_copy_to_linear_data(skb, data, pkt_len - 4);
                        skb->protocol = eth_type_trans(skb, dev);