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-rw-r--r--hw/virtio/vhost.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index ddc42f0f93..54041948cf 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1138,6 +1138,10 @@ static void vhost_virtqueue_stop(struct vhost_dev *dev,
r = dev->vhost_ops->vhost_get_vring_base(dev, &state);
if (r < 0) {
VHOST_OPS_DEBUG("vhost VQ %d ring restore failed: %d", idx, r);
+ /* Connection to the backend is broken, so let's sync internal
+ * last avail idx to the device used idx.
+ */
+ virtio_queue_restore_last_avail_idx(vdev, idx);
} else {
virtio_queue_set_last_avail_idx(vdev, idx, state.num);
}