Re: [PATCH v13 17/42] virtio_ring: packed: introduce vring_free_packed

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在 2022/7/26 15:22, Xuan Zhuo 写道:
Free the structure struct vring_vritqueue_packed.

Subsequent patches require it.

Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>


Acked-by: Jason Wang <jasowang@xxxxxxxxxx>


---
  drivers/virtio/virtio_ring.c | 22 ++++++++++++++++++++++
  1 file changed, 22 insertions(+)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 58355e1ac7d7..891900b31c3d 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1835,6 +1835,28 @@ static struct vring_desc_extra *vring_alloc_desc_extra(unsigned int num)
  	return desc_extra;
  }
+static void vring_free_packed(struct vring_virtqueue_packed *vring_packed,
+			      struct virtio_device *vdev)
+{
+	if (vring_packed->vring.desc)
+		vring_free_queue(vdev, vring_packed->ring_size_in_bytes,
+				 vring_packed->vring.desc,
+				 vring_packed->ring_dma_addr);
+
+	if (vring_packed->vring.driver)
+		vring_free_queue(vdev, vring_packed->event_size_in_bytes,
+				 vring_packed->vring.driver,
+				 vring_packed->driver_event_dma_addr);
+
+	if (vring_packed->vring.device)
+		vring_free_queue(vdev, vring_packed->event_size_in_bytes,
+				 vring_packed->vring.device,
+				 vring_packed->device_event_dma_addr);
+
+	kfree(vring_packed->desc_state);
+	kfree(vring_packed->desc_extra);
+}
+
  static struct virtqueue *vring_create_virtqueue_packed(
  	unsigned int index,
  	unsigned int num,




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