commit 8b04e2c797b01a4baf379ec4f40b3f0e9cdf7a25
author Xie Yongji <xieyongji@baidu.com> Wed Jun 26 10:31:29 2019 +0800
committer Michael S. Tsirkin <mst@redhat.com> Thu Jul 04 17:00:32 2019 -0400
tree 14a89e97c5b61af783cdf0a7e77b6ff7521481e1
parent 868a8f44f57f15670b30631a95e3e31e5cf268d0

virtio: Make sure we get correct state of device on handle_aio_output()

We should set the flags: "start_on_kick" and "started" after we call
the kick functions (handle_aio_output() and handle_output()).

Signed-off-by: Xie Yongji <xieyongji@baidu.com>
Message-Id: <20190626023130.31315-5-xieyongji@baidu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/virtio/virtio.c

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 5fd25d9..e098fc8 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1571,10 +1571,10 @@
         event_notifier_set(&vq->host_notifier);
     } else if (vq->handle_output) {
         vq->handle_output(vdev, vq);
-    }
 
-    if (unlikely(vdev->start_on_kick)) {
-        virtio_set_started(vdev, true);
+        if (unlikely(vdev->start_on_kick)) {
+            virtio_set_started(vdev, true);
+        }
     }
 }