fs: configfs: Drop unused parameter from configfs_undepend_item()

subsys parameter is never used by configfs_undepend_item()
so there is no point in passing it to this function.

Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 758a029..3b5c6d5 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -209,7 +209,8 @@
 
 /* These functions can sleep and can alloc with GFP_KERNEL */
 /* WARNING: These cannot be called underneath configfs callbacks!! */
-int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target);
-void configfs_undepend_item(struct configfs_subsystem *subsys, struct config_item *target);
+int configfs_depend_item(struct configfs_subsystem *subsys,
+			 struct config_item *target);
+void configfs_undepend_item(struct config_item *target);
 
 #endif /* _CONFIGFS_H_ */