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vhost_net: use XDP helpers

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Make use of the xdp_{init,prepare}_buff() helpers instead of
an open-coded version.

Also, the field xdp->rxq was never set, so pass NULL to xdp_init_buff()
to clear it.

Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matteo Croce 2021-05-14 20:39:54 +02:00 committed by David S. Miller
parent 082294f294
commit 224bf7db55
1 changed files with 2 additions and 4 deletions
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6
drivers/vhost/net.c
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@ -744,11 +744,9 @@ static int vhost_net_build_xdp(struct vhost_net_virtqueue *nvq,
if (copied != len)
return -EFAULT;
xdp->data_hard_start = buf;
xdp->data = buf + pad;
xdp->data_end = xdp->data + len;
xdp_init_buff(xdp, buflen, NULL);
xdp_prepare_buff(xdp, buf, pad, len, true);
hdr->buflen = buflen;
xdp->frame_sz = buflen;
--net->refcnt_bias;
alloc_frag->offset += buflen;