[PATCH v9 04/32] virtio_ring: remove the arg vq of vring_alloc_desc_extra()

Xuan Zhuo
2022-04-06T10:18:51Z

The parameter vq of vring_alloc_desc_extra() is useless. This patch
removes this parameter.

Subsequent patches will call this function to avoid passing useless
arguments.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
---
drivers/virtio/virtio_ring.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index f1807f6b06a5..cb6010750a94 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1636,8 +1636,7 @@ static void *virtqueue_detach_unused_buf_packed(struct virtqueue *_vq)
return NULL;
}

-static struct vring_desc_extra *vring_alloc_desc_extra(struct vring_virtqueue *vq,
- unsigned int num)
+static struct vring_desc_extra *vring_alloc_desc_extra(unsigned int num)
{
struct vring_desc_extra *desc_extra;
unsigned int i;
@@ -1755,7 +1754,7 @@ static struct virtqueue *vring_create_virtqueue_packed(
/* Put everything in free lists. */
vq->free_head = 0;

- vq->packed.desc_extra = vring_alloc_desc_extra(vq, num);
+ vq->packed.desc_extra = vring_alloc_desc_extra(num);
if (!vq->packed.desc_extra)
goto err_desc_extra;

@@ -2233,7 +2232,7 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index,
if (!vq->split.desc_state)
goto err_state;

- vq->split.desc_extra = vring_alloc_desc_extra(vq, vring.num);
+ vq->split.desc_extra = vring_alloc_desc_extra(vring.num);
if (!vq->split.desc_extra)
goto err_extra;

--
2.31.0