Commit 4c5cf37b authored by Xie Yongji's avatar Xie Yongji Committed by Michael S. Tsirkin
Browse files

virtio: Don't change "started" flag on virtio_vmstate_change() 



We will call virtio_set_status() on virtio_vmstate_change().
The "started" flag should not be changed in this case. Otherwise,
we may get an incorrect value when we set "started" flag but
not set DRIVER_OK in source VM.

Signed-off-by: default avatarXie Yongji <xieyongji@baidu.com>
Message-Id: <20190626023130.31315-6-xieyongji@baidu.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 8b04e2c7

hw/virtio/virtio.c

+4 −1
Original line number Diff line number Diff line
@@ -1163,7 +1163,10 @@ int virtio_set_status(VirtIODevice *vdev, uint8_t val) 
        }

    }



    if ((vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) !=

        (val & VIRTIO_CONFIG_S_DRIVER_OK)) {

        virtio_set_started(vdev, val & VIRTIO_CONFIG_S_DRIVER_OK);

    }



    if (k->set_status) {

        k->set_status(vdev, val);