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virtio-net: remove unused skb_vnet_hdr->num_sg field 

[Split from "correct capacity math on ring full" -- Rusty]

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2012-10-16 23:56:14 +10:30 committed by Rusty Russell
parent 6ee57bcc1e
commit 7bedc7dc7c
1 changed files with 3 additions and 3 deletions
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6
drivers/net/virtio_net.c
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@ -95,7 +95,6 @@ struct skb_vnet_hdr {
struct virtio_net_hdr hdr;
struct virtio_net_hdr_mrg_rxbuf mhdr;
};
unsigned int num_sg;
};
struct padded_vnet_hdr {
@ -579,6 +578,7 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
{
struct skb_vnet_hdr *hdr = skb_vnet_hdr(skb);
const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest;
unsigned num_sg;
pr_debug("%s: xmit %p %pM\n", vi->dev->name, skb, dest);
@ -617,8 +617,8 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
else
sg_set_buf(vi->tx_sg, &hdr->hdr, sizeof hdr->hdr);
hdr->num_sg = skb_to_sgvec(skb, vi->tx_sg + 1, 0, skb->len) + 1;
return virtqueue_add_buf(vi->svq, vi->tx_sg, hdr->num_sg,
num_sg = skb_to_sgvec(skb, vi->tx_sg + 1, 0, skb->len) + 1;
return virtqueue_add_buf(vi->svq, vi->tx_sg, num_sg,
0, skb, GFP_ATOMIC);
}