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

Xuan Zhuo
Wed, 20 Jul 2022 03:04:03 -0000

Free the structure struct vring_vritqueue_split.

Subsequent patches require it.

Signed-off-by: Xuan Zhuo <xuanzhuo at 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