Kobject: convert fs/* from kobject_unregister() to kobject_put()

There is no need for kobject_unregister() anymore, thanks to Kay's
kobject cleanup changes, so replace all instances of it with
kobject_put().


Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 97f3f5f..739da70 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -314,7 +314,7 @@
 	p->nr_sects = 0;
 	p->ios[0] = p->ios[1] = 0;
 	p->sectors[0] = p->sectors[1] = 0;
-	kobject_unregister(p->holder_dir);
+	kobject_put(p->holder_dir);
 	device_del(&p->dev);
 	put_device(&p->dev);
 }
@@ -505,8 +505,8 @@
 	disk_stat_set_all(disk, 0);
 	disk->stamp = 0;
 
-	kobject_unregister(disk->holder_dir);
-	kobject_unregister(disk->slave_dir);
+	kobject_put(disk->holder_dir);
+	kobject_put(disk->slave_dir);
 	disk->driverfs_dev = NULL;
 #ifndef CONFIG_SYSFS_DEPRECATED
 	sysfs_remove_link(block_depr, disk->dev.bus_id);