xen_disk: detach the blkdev before bdrv_delete

We need to detach the blkdev from the BlockDriverState before calling
bdrv_delete.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index 68fa36a1cf..bf06fc1978 100644
--- a/hw/xen_disk.c
+++ b/hw/xen_disk.c
@@ -726,6 +726,7 @@ static void blk_disconnect(struct XenDevice *xendev)
         if (!blkdev->dinfo) {
             /* close/delete only if we created it ourself */
             bdrv_close(blkdev->bs);
+            bdrv_detach_dev(blkdev->bs, blkdev);
             bdrv_delete(blkdev->bs);
         }
         blkdev->bs = NULL;