[Qemu-devel] [PATCHv2 11/14] virtio-net: fix used len for tx

[Michael S. Tsirkin]

There is no out sg for TX, so used buf length for tx
should always be 0.

Signed-off-by: Michael S. Tsirkin <address@hidden>
---
 hw/virtio-net.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index 86cd4a9..ef7f399 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -689,7 +689,7 @@ static void virtio_net_tx_complete(NetClientState *nc, 
ssize_t len)
 {
     VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque;
 
-    virtqueue_push(n->tx_vq, &n->async_tx.elem, n->async_tx.len);
+    virtqueue_push(n->tx_vq, &n->async_tx.elem, 0);
     virtio_notify(&n->vdev, n->tx_vq);
 
     n->async_tx.elem.out_num = n->async_tx.len = 0;
@@ -755,7 +755,7 @@ static int32_t virtio_net_flush_tx(VirtIONet *n, VirtQueue 
*vq)
 
         len += ret;
 
-        virtqueue_push(vq, &elem, len);
+        virtqueue_push(vq, &elem, 0);
         virtio_notify(&n->vdev, vq);
 
         if (++num_packets >= n->tx_burst) {
-- 
MST