diff options
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 6936b25c83..0bf0188133 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -808,6 +808,7 @@ void blk_remove_bs(BlockBackend *blk) { ThrottleGroupMember *tgm = &blk->public.throttle_group_member; BlockDriverState *bs; + BdrvChild *root; notifier_list_notify(&blk->remove_bs_notifiers, blk); if (tgm->throttle_state) { @@ -825,8 +826,9 @@ void blk_remove_bs(BlockBackend *blk) * to avoid that and a potential QEMU crash. */ blk_drain(blk); - bdrv_root_unref_child(blk->root); + root = blk->root; blk->root = NULL; + bdrv_root_unref_child(root); } /* |