On Thu, Jul 25, 2013 at 05:01:45PM +0800, Fam Zheng wrote: > We call bdrv_attach_dev when initializing whether or not bs is created > locally, so call bdrv_detach_dev and let the refcnt handle the > lifecycle. > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > hw/block/xen_disk.c | 7 +------ > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c > index 99537e8..3ec4bd2 100644 > --- a/hw/block/xen_disk.c > +++ b/hw/block/xen_disk.c > @@ -910,12 +910,7 @@ static void blk_disconnect(struct XenDevice *xendev) > struct XenBlkDev *blkdev = container_of(xendev, struct XenBlkDev, > xendev); > > if (blkdev->bs) { > - if (!blkdev->dinfo) { > - /* close/delete only if we created it ourself */ > - bdrv_close(blkdev->bs); > - bdrv_detach_dev(blkdev->bs, blkdev); > - bdrv_unref(blkdev->bs); > - } > + bdrv_detach_dev(blkdev->bs, blkdev); > blkdev->bs = NULL;
If the refcnt for blkdev->bs is > 1, then this leaks blkdev->bs, and doesn't call bdrv_close(). > } > xen_be_unbind_evtchn(&blkdev->xendev); > -- > 1.8.3.2 > >