[PATCH v11 07/40] virtio_ring: split: introduce vring_free_split()

Xuan Zhuo
2022-06-29T06:57:42Z

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 | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 986dbd9294d6..49d61e412dc6 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -939,6 +939,16 @@ static void *virtqueue_detach_unused_buf_split(struct virtqueue *_vq)
return NULL;
}

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