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,
