+static int match_name(struct device *dev, const void *data)
+{
+ if (!dev_name(dev))
+ return 0;
+ return !strcmp(dev_name(dev), (char *)data);
+}
+
+static int led_classdev_next_name(const char *init_name, char *name,
+ size_t len)
+{
+ unsigned int i = 0;
+ int ret = 0;
+
+ strlcpy(name, init_name, len);
+
+ while (class_find_device(leds_class, NULL, name, match_name) &&
+ (ret < len))
+ ret = snprintf(name, len, "%s_%u", init_name, ++i);
+
+ if (ret >= len)
+ return -ENOMEM;
+
+ return i;
+}
+