diff mbox series

[3/5] virtio: Make sure we get correct state of device on handle_aio_output()

Message ID 20190529070955.25565-4-xieyongji@baidu.com (mailing list archive)
State New, archived
Headers show
Series virtio: fix some issues of "started" and "start_on_kick" flag | expand

Commit Message

Yongji Xie May 29, 2019, 7:09 a.m. UTC 
From: Xie Yongji <xieyongji@baidu.com>

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>
---
 hw/virtio/virtio.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 4d4ff67791..8a81374492 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1575,11 +1575,11 @@  void virtio_queue_notify(VirtIODevice *vdev, int n)
         event_notifier_set(&vq->host_notifier);
     } else if (vq->handle_output) {
         vq->handle_output(vdev, vq);
-    }
 
-    if (unlikely(vdev->start_on_kick)) {
-        vdev->started = true;
-        vdev->start_on_kick = false;
+        if (unlikely(vdev->start_on_kick)) {
+            vdev->started = true;
+            vdev->start_on_kick = false;
+        }
     }
 }