[PATCH 4/4] vhost: convert byte order on avail_event read

[Eugenio Pérez]

This causes errors on virtio modern devices on big endian hosts

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 hw/virtio/vhost-shadow-virtqueue.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/virtio/vhost-shadow-virtqueue.c 
b/hw/virtio/vhost-shadow-virtqueue.c
index 18a49e1ecb..3131903edd 100644
--- a/hw/virtio/vhost-shadow-virtqueue.c
+++ b/hw/virtio/vhost-shadow-virtqueue.c
@@ -231,7 +231,8 @@ static void vhost_svq_kick(VhostShadowVirtqueue *svq)
         size_t num = svq->vring.num;
         uint16_t *avail_event = (uint16_t *)&svq->vring.used->ring[num];
 
-        needs_kick = vring_need_event(*avail_event, svq->shadow_avail_idx,
+        needs_kick = vring_need_event(le16_to_cpu(*avail_event),
+                                      svq->shadow_avail_idx,
                                       svq->shadow_avail_idx - 1);
     } else {
         needs_kick = !(svq->vring.used->flags & VRING_USED_F_NO_NOTIFY);
-- 
2.31.1