No reason to calculate memory size again, as we have corresponding
variable for each vring.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Raphael Norwitz <raphael.s.norwitz@gmail.com>
---
 hw/virtio/vhost.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index db6ea42f9b..c8ec6b4911 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1374,12 +1374,9 @@ int vhost_virtqueue_start(struct vhost_dev *dev,
     return 0;
 
 fail:
-    vhost_memory_unmap(dev, &vq->used, virtio_queue_get_used_size(vdev, idx),
-                       0, 0);
-    vhost_memory_unmap(dev, &vq->avail, virtio_queue_get_avail_size(vdev, idx),
-                       0, 0);
-    vhost_memory_unmap(dev, &vq->desc, virtio_queue_get_desc_size(vdev, idx),
-                       0, 0);
+    vhost_memory_unmap(dev, &vq->used, vq->used_size, 0, 0);
+    vhost_memory_unmap(dev, &vq->avail, vq->avail_size, 0, 0);
+    vhost_memory_unmap(dev, &vq->desc, vq->desc_size, 0, 0);
     return r;
 }
 
@@ -1426,12 +1423,9 @@ static int do_vhost_virtqueue_stop(struct vhost_dev *dev,
                                                 vhost_vq_index);
     }
 
-    vhost_memory_unmap(dev, &vq->used, virtio_queue_get_used_size(vdev, idx),
-                       1, virtio_queue_get_used_size(vdev, idx));
-    vhost_memory_unmap(dev, &vq->avail, virtio_queue_get_avail_size(vdev, idx),
-                       0, virtio_queue_get_avail_size(vdev, idx));
-    vhost_memory_unmap(dev, &vq->desc, virtio_queue_get_desc_size(vdev, idx),
-                       0, virtio_queue_get_desc_size(vdev, idx));
+    vhost_memory_unmap(dev, &vq->used, vq->used_size, 1, vq->used_size);
+    vhost_memory_unmap(dev, &vq->avail, vq->avail_size, 0, vq->avail_size);
+    vhost_memory_unmap(dev, &vq->desc, vq->desc_size, 0, vq->desc_size);
     return r;
 }
 
-- 
2.48.1