[PATCH v5 07/22] virtio_ring: queue_reset: extract the release function of the vq ring

Xuan Zhuo
2022-02-14T08:14:01Z

Extract a function __vring_del_virtqueue() from vring_del_virtqueue() to
handle releasing vq's ring.

Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com>
---
 drivers/virtio/virtio_ring.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 20659f7ca582..c5dd17c7dd4a 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2355,12 +2355,10 @@ struct virtqueue *vring_new_virtqueue(unsigned int
index,
 }
 EXPORT_SYMBOL_GPL(vring_new_virtqueue);

-void vring_del_virtqueue(struct virtqueue *_vq)
+static void __vring_del_virtqueue(struct vring_virtqueue *vq)
 {
-	struct vring_virtqueue *vq = to_vvq(_vq);
-
 	spin_lock(&vq->vq.vdev->vqs_list_lock);
-	list_del(&_vq->list);
+	list_del(&vq->vq.list);
 	spin_unlock(&vq->vq.vdev->vqs_list_lock);

 	if (vq->we_own_ring) {
@@ -2393,6 +2391,13 @@ void vring_del_virtqueue(struct virtqueue *_vq)
 		kfree(vq->split.desc_state);
 		kfree(vq->split.desc_extra);
 	}
+}
+
+void vring_del_virtqueue(struct virtqueue *_vq)
+{
+	struct vring_virtqueue *vq = to_vvq(_vq);
+
+	__vring_del_virtqueue(vq);
 	kfree(vq);
 }
 EXPORT_SYMBOL_GPL(vring_del_virtqueue);
--
2.31.0