On Mon, Feb 15, 2016 at 03:35:23PM +0100, Andrzej Hajda wrote: > IS_ERR_VALUE macro should be used only with unsigned long type. > For signed types comparison 'ret < 0' should be used. ACK -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html