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/ecryptfs/main.c b/fs/ecryptfs/main.c
index 4f13321..0249aa4 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -767,7 +767,7 @@
 	if (rc) {
 		printk(KERN_ERR
 		       "Unable to create ecryptfs version attributes\n");
-		kobject_unregister(ecryptfs_kobj);
+		kobject_put(ecryptfs_kobj);
 	}
 out:
 	return rc;
@@ -776,7 +776,7 @@
 static void do_sysfs_unregistration(void)
 {
 	sysfs_remove_group(ecryptfs_kobj, &attr_group);
-	kobject_unregister(ecryptfs_kobj);
+	kobject_put(ecryptfs_kobj);
 }
 
 static int __init ecryptfs_init(void)