linux-kernel - [RFC PATCH 05/17] drm/virtio: Remove unused used length

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Date:   Mon, 17 May 2021 17:08:24 +0800
From:   Xie Yongji <xieyongji@...edance.com>
To:     mst@...hat.com, jasowang@...hat.com, stefanha@...hat.com
Cc:     amit@...nel.org, arei.gonglei@...wei.com, airlied@...ux.ie,
        kraxel@...hat.com, dan.j.williams@...el.com,
        johannes@...solutions.net, ohad@...ery.com,
        bjorn.andersson@...aro.org, david@...hat.com, vgoyal@...hat.com,
        miklos@...redi.hu, sgarzare@...hat.com,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 05/17] drm/virtio: Remove unused used length

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

Signed-off-by: Xie Yongji <xieyongji@...edance.com>
---
 drivers/gpu/drm/virtio/virtgpu_vq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index cf84d382dd41..4b164bacc68e 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -186,10 +186,9 @@ static void free_vbuf(struct virtio_gpu_device *vgdev,
 static void reclaim_vbufs(struct virtqueue *vq, struct list_head *reclaim_list)
 {
 	struct virtio_gpu_vbuffer *vbuf;
-	unsigned int len;
 	int freed = 0;
 
-	while ((vbuf = virtqueue_get_buf(vq, &len))) {
+	while ((vbuf = virtqueue_get_buf(vq, NULL))) {
 		list_add_tail(&vbuf->list, reclaim_list);
 		freed++;
 	}
-- 
2.11.0