kobject_add() and kobject_del() don't emit hotplug events anymore. Do it
ourselves if we are finished populating the device directory.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
        if ((err = kobject_add(&disk->kobj)))
                return;
        disk_sysfs_symlinks(disk);
+       kobject_hotplug(&disk->kobj, KOBJ_ADD);
 
        /* No minors to use for partitions */
        if (disk->minors == 1) {
                sysfs_remove_link(&disk->driverfs_dev->kobj, "block");
                put_device(disk->driverfs_dev);
        }
+       kobject_hotplug(&disk->kobj, KOBJ_REMOVE);
        kobject_del(&disk->kobj);
 }