Commit 52c9cf1a authored Oct 15, 2014 by Michael S. Tsirkin Committed by Rusty Russell Oct 15, 2014

virtio_scsi: enable VQs early on restore



virtio spec requires drivers to set DRIVER_OK before using VQs.
This is set automatically after restore returns, virtio scsi violated
this rule on restore by kicking event vq within restore.

To fix, call virtio_device_ready before using event queue.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

parent 6d62c37f

drivers/scsi/virtio_scsi.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1054,6 +1054,8 @@ static int virtscsi_restore(struct virtio_device *vdev)
		return err;
		}

		virtio_device_ready(vdev);

		if (virtio_has_feature(vdev, VIRTIO_SCSI_F_HOTPLUG))
		virtscsi_kick_event_all(vscsi);