[PATCH v12 07/40] virtio_ring: split: introduce vring_free_split()

Xuan Zhuo
2022-07-20T03:05:55Z

Free the structure struct vring_vritqueue_split.

Subsequent patches require it.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
---
drivers/virtio/virtio_ring.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 87ce17562b29..c94c5461e702 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -939,6 +939,17 @@ static void *virtqueue_detach_unused_buf_split(struct virtqueue *_vq)
return NULL;
}

+static void vring_free_split(struct vring_virtqueue_split *vring_split,
+ struct virtio_device *vdev)
+{
+ vring_free_queue(vdev, vring_split->queue_size_in_bytes,
+ vring_split->vring.desc,
+ vring_split->queue_dma_addr);
+
+ kfree(vring_split->desc_state);
+ kfree(vring_split->desc_extra);
+}
+
static struct virtqueue *vring_create_virtqueue_split(
unsigned int index,
unsigned int num,
--
2.31.0