diff --git a/drivers/base/class.c b/drivers/base/class.c
index 9c63a56..7975a52 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -482,8 +482,8 @@
 	class_put(parent);
 }
 
-ssize_t show_class_attr_string(struct class *class, struct class_attribute *attr,
-                        	char *buf)
+ssize_t show_class_attr_string(struct class *class,
+			       struct class_attribute *attr, char *buf)
 {
 	struct class_attribute_string *cs;
 	cs = container_of(attr, struct class_attribute_string, attr);