[PATCH RFC 3/3] virtio: revert changes to virtio_device_started

["Michael S. Tsirkin" <mst@redhat.com>]

virtio core often needs to know whether device is started, this is what
virtio_device_started already did. However, backends want to know
whether virtio is actually running which also depends on whether vm is
running. To address this we moved the check to virtio_device_started,
but this changes virtio core behavior which wasn't intentional.
Now that backends use the new virtio_device_running API,
revert the change to virtio_device_started.

Fixes: 9f6bcfd99f ("hw/virtio: move vm_running check to virtio_device_started")
Cc: "Alex Bennée" <alex.bennee@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/virtio/virtio.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 634c24513f..de8d78af12 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -395,10 +395,6 @@ static inline bool virtio_device_started(VirtIODevice *vdev, uint8_t status)
         return vdev->started;
     }
 
-    if (!vdev->vm_running) {
-        return false;
-    }
-
     return status & VIRTIO_CONFIG_S_DRIVER_OK;
 }
 
-- 
MST