+
+static int class_device_add_attrs(struct class_device * cd)
+{
+ int i;
+ int error = 0;
+ struct class * cls = cd->class;
+
+ if (cls->class_dev_attrs) {
+ for (i = 0; attr_name(cls->class_dev_attrs[i]); i++) {
+ error = class_device_create_file(cd,
+ &cls->class_dev_attrs[i]);
+ if (error)
+ goto Err;
+ }
+ }
+ Done:
+ return error;
+ Err:
+ while (--i >= 0)
+ class_device_remove_file(cd,&cls->class_dev_attrs[i]);
+ goto Done;
+}
+
+static void class_device_remove_attrs(struct class_device * cd)
+{
+ int i;
+ struct class * cls = cd->class;
+
+ if (cls->class_dev_attrs) {
+ for (i = 0; attr_name(cls->class_dev_attrs[i]); i++)
+ class_device_remove_file(cd,&cls->class_dev_attrs[i]);
+ }
+}
+