From 7bedc7dc7c05e6072dc81da770f70c683c45da10 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Tue, 16 Oct 2012 23:56:14 +1030 Subject: [PATCH] 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 Signed-off-by: Rusty Russell Acked-by: Michael S. Tsirkin --- drivers/net/virtio_net.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 3db65867895..6c094c88424 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -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); } -- 2.20.1