Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[pandora-kernel.git] / drivers / net / usb / ipheth.c

diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 7d42f9a..81126ff 100644 (file)
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -65,6 +65,7 @@
 #define IPHETH_USBINTF_PROTO    1
 
 #define IPHETH_BUF_SIZE         1516
+#define IPHETH_IP_ALIGN                2       /* padding at front of URB */
 #define IPHETH_TX_TIMEOUT       (5 * HZ)
 
 #define IPHETH_INTFNUM          2
@@ -202,18 +203,21 @@ static void ipheth_rcvbulk_callback(struct urb *urb)
                return;
        }
 
-       len = urb->actual_length;
-       buf = urb->transfer_buffer;
+       if (urb->actual_length <= IPHETH_IP_ALIGN) {
+               dev->net->stats.rx_length_errors++;
+               return;
+       }
+       len = urb->actual_length - IPHETH_IP_ALIGN;
+       buf = urb->transfer_buffer + IPHETH_IP_ALIGN;
 
-       skb = dev_alloc_skb(NET_IP_ALIGN + len);
+       skb = dev_alloc_skb(len);
        if (!skb) {
                err("%s: dev_alloc_skb: -ENOMEM", __func__);
                dev->net->stats.rx_dropped++;
                return;
        }
 
-       skb_reserve(skb, NET_IP_ALIGN);
-       memcpy(skb_put(skb, len), buf + NET_IP_ALIGN, len - NET_IP_ALIGN);
+       memcpy(skb_put(skb, len), buf, len);
        skb->dev = dev->net;
        skb->protocol = eth_type_trans(skb, dev->net);