And remove the comments that were put in inplace of a fix too....
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
                return;
        if (!mddev->raid_disks && list_empty(&mddev->disks)) {
                list_del(&mddev->all_mddevs);
-               /* that blocks */
+               spin_unlock(&all_mddevs_lock);
                blk_cleanup_queue(mddev->queue);
-               /* that also blocks */
                kobject_unregister(&mddev->kobj);
-               /* result blows... */
-       }
-       spin_unlock(&all_mddevs_lock);
+       } else
+               spin_unlock(&all_mddevs_lock);
 }
 
 static mddev_t * mddev_find(dev_t unit)