get_buf() gives the length written by the other side, which will be
zero.  We want to add the skb length.

Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
---
 drivers/net/virtio_net.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -r 51bdbdc4f199 drivers/net/virtio_net.c
--- a/drivers/net/virtio_net.c  Thu Apr 10 15:55:52 2008 +1000
+++ b/drivers/net/virtio_net.c  Mon Apr 14 11:13:45 2008 +1000
@@ -221,7 +221,7 @@ static void free_old_xmit_skbs(struct vi
        while ((skb = vi->svq->vq_ops->get_buf(vi->svq, &len)) != NULL) {
                pr_debug("Sent skb %p\n", skb);
                __skb_unlink(skb, &vi->send);
-               vi->dev->stats.tx_bytes += len;
+               vi->dev->stats.tx_bytes += skb->len;
                vi->dev->stats.tx_packets++;
                kfree_skb(skb);
        }

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