[Qemu-devel] [PATCH v3 06/11] block: Use blk_remove_bs() in blk_delete()

[Max Reitz <mreitz@redhat.com>]

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 block/block-backend.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/block/block-backend.c b/block/block-backend.c
index 254fde4..7e9d53a 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -163,12 +163,7 @@ static void blk_delete(BlockBackend *blk)
 {
     assert(!blk->refcnt);
     assert(!blk->dev);
-    if (blk->bs) {
-        assert(blk->bs->blk == blk);
-        blk->bs->blk = NULL;
-        bdrv_unref(blk->bs);
-        blk->bs = NULL;
-    }
+    blk_remove_bs(blk);
     /* Avoid double-remove after blk_hide_on_behalf_of_do_drive_del() */
     if (blk->name[0]) {
         QTAILQ_REMOVE(&blk_backends, blk, link);
@@ -324,6 +319,8 @@ void blk_remove_bs(BlockBackend *blk)
         return;
     }
 
+    assert(blk->bs->blk == blk);
+
     notifier_list_notify(&blk->remove_bs_notifiers, blk);
 
     blk_update_root_state(blk);
-- 
2.1.0