diff options
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5aeb13fd59..1bd19add75 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -47,6 +47,10 @@ static unsigned int virtqueue_attach_desc(struct virtqueue *vq, unsigned int i, return desc_shadow->next; } +static void virtqueue_detach_desc(struct virtqueue *vq, unsigned int idx) +{ +} + int virtqueue_add(struct virtqueue *vq, struct virtio_sg *sgs[], unsigned int out_sgs, unsigned int in_sgs) { @@ -165,10 +169,12 @@ static void detach_buf(struct virtqueue *vq, unsigned int head) i = head; while (vq->vring_desc_shadow[i].flags & VRING_DESC_F_NEXT) { + virtqueue_detach_desc(vq, i); i = vq->vring_desc_shadow[i].next; vq->num_free++; } + virtqueue_detach_desc(vq, i); vq->vring_desc_shadow[i].next = vq->free_head; vq->free_head = head; |