They are cleaned in vhost_vq_set_backend, which can be called with an
active backend. To set and remove backends already clean batched
descriptors, so to do it here is completely redundant.
Fixes: ("af3756cfed9a vhost: batching fetches")
Signed-off-by: Eugenio Pérez <eperezma@xxxxxxxxxx>
---
drivers/vhost/vhost.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 0395229486a9..882d0df57e24 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1579,7 +1579,6 @@ long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *arg
vq->last_avail_idx = s.num;
/* Forget the cached index value. */
vq->avail_idx = vq->last_avail_idx;
- vq->ndescs = vq->first_desc = 0;
break;
case VHOST_GET_VRING_BASE:
s.index = idx;
--
2.18.1
