[RFC PATCH 16/17] vsock: Remove unused used length

[Xie Yongji]

The used length is not used in some cases. Let's drop it
and pass NULL to virtqueue_get_buf() instead.

Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
---
 net/vmw_vsock/virtio_transport.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 2700a63ab095..f0fc432c8697 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -298,10 +298,9 @@ static void virtio_transport_tx_work(struct work_struct *work)
 
 	do {
 		struct virtio_vsock_pkt *pkt;
-		unsigned int len;
 
 		virtqueue_disable_cb(vq);
-		while ((pkt = virtqueue_get_buf(vq, &len)) != NULL) {
+		while ((pkt = virtqueue_get_buf(vq, NULL)) != NULL) {
 			virtio_transport_free_pkt(pkt);
 			added = true;
 		}
-- 
2.11.0