diff mbox series

[6/6] fixup! vhost: batching fetches

Message ID 20200329113359.30960-7-eperezma@redhat.com (mailing list archive)
State New, archived
Headers show
Series vhost: Reset batched descriptors on SET_VRING_BASE call | expand

Commit Message

Eugenio Perez Martin March 29, 2020, 11:33 a.m. UTC
Old code did not take into account the _SET_BASE ioctl.

Signed-off-by: Eugenio PĂ©rez <eperezma@redhat.com>
---
 drivers/vhost/vhost.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 5f84f29b6c47..1646b1ce312a 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1652,6 +1652,7 @@  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;