for (i = 0; attrs[i]; i++) {
error = class_device_create_file(classdev, attrs[i]);
if (error)
for (i = 0; attrs[i]; i++) {
error = class_device_create_file(classdev, attrs[i]);
if (error)
for (i = 0; attrs[i]; i++)
class_device_remove_file(classdev, attrs[i]);
}
for (i = 0; attrs[i]; i++)
class_device_remove_file(classdev, attrs[i]);
}