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authorJason Wang <jasowang@redhat.com>2015-08-03 13:20:38 +0800
committerMichael S. Tsirkin <mst@redhat.com>2015-08-13 14:08:29 +0300
commitbd89dd98b2b835bbff43f02f2e7c823eb0c61331 (patch)
tree85e5ae7ef5c89024c348b8963355eac4eda10799 /hw
parente402463073ae51d00dc6cf98556e2f5c4b008a31 (diff)
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virtio-net: remove useless codes
After commit 40bad8f3deba15e2074ff34cfe923c12916b1cc5("virtio-net: fix used len for tx"), async_tx.len was no longer used afterwards. So remove useless codes with it. Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/net/virtio-net.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 1510839..8d28e45 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1124,7 +1124,7 @@ static void virtio_net_tx_complete(NetClientState *nc, ssize_t len)
virtqueue_push(q->tx_vq, &q->async_tx.elem, 0);
virtio_notify(vdev, q->tx_vq);
- q->async_tx.elem.out_num = q->async_tx.len = 0;
+ q->async_tx.elem.out_num = 0;
virtio_queue_set_notification(q->tx_vq, 1);
virtio_net_flush_tx(q);
@@ -1148,7 +1148,7 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
}
while (virtqueue_pop(q->tx_vq, &elem)) {
- ssize_t ret, len;
+ ssize_t ret;
unsigned int out_num = elem.out_num;
struct iovec *out_sg = &elem.out_sg[0];
struct iovec sg[VIRTQUEUE_MAX_SIZE], sg2[VIRTQUEUE_MAX_SIZE + 1];
@@ -1196,18 +1196,14 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q)
out_sg = sg;
}
- len = n->guest_hdr_len;
-
ret = qemu_sendv_packet_async(qemu_get_subqueue(n->nic, queue_index),
out_sg, out_num, virtio_net_tx_complete);
if (ret == 0) {
virtio_queue_set_notification(q->tx_vq, 0);
q->async_tx.elem = elem;
- q->async_tx.len = len;
return -EBUSY;
}
- len += ret;
drop:
virtqueue_push(q->tx_vq, &elem, 0);
virtio_notify(vdev, q->tx_vq);