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>
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@ -95,7 +95,6 @@ struct skb_vnet_hdr {
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struct virtio_net_hdr hdr;
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struct virtio_net_hdr_mrg_rxbuf mhdr;
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};
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unsigned int num_sg;
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};
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struct padded_vnet_hdr {
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@ -579,6 +578,7 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
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{
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struct skb_vnet_hdr *hdr = skb_vnet_hdr(skb);
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const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest;
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unsigned num_sg;
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pr_debug("%s: xmit %p %pM\n", vi->dev->name, skb, dest);
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@ -617,8 +617,8 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
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else
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sg_set_buf(vi->tx_sg, &hdr->hdr, sizeof hdr->hdr);
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hdr->num_sg = skb_to_sgvec(skb, vi->tx_sg + 1, 0, skb->len) + 1;
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return virtqueue_add_buf(vi->svq, vi->tx_sg, hdr->num_sg,
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num_sg = skb_to_sgvec(skb, vi->tx_sg + 1, 0, skb->len) + 1;
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return virtqueue_add_buf(vi->svq, vi->tx_sg, num_sg,
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0, skb, GFP_ATOMIC);
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}
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