-#define dev_err(x, args...) dev_printf(ERR, args)
-#define dev_info(x, args...) dev_printf(INFO, args)
-#define dev_warn(x, args...) dev_printf(WARNING, args)
+#define dev_err(x, fmt, ...) dev_printf(ERR, fmt, ##__VA_ARGS__)
+#define dev_info(x, fmt, ...) dev_printf(INFO, fmt, ##__VA_ARGS__)
+#define dev_warn(x, fmt, ...) dev_printf(WARNING, fmt, ##__VA_ARGS__)