diff --git a/drivers/comedi/drivers/das16m1.c b/drivers/comedi/drivers/das16m1.c
index 1b638f5b5a4f..9f531ba593b4 100644
--- a/drivers/comedi/drivers/das16m1.c
+++ b/drivers/comedi/drivers/das16m1.c
@@ -511,7 +511,8 @@ static int das16m1_attach(struct comedi_device *dev,
 	if (!devpriv)
 		return -ENOMEM;
 
-	ret = comedi_request_region(dev, it->options[0], 0x10);
+	ret = comedi_check_request_region(dev, it->options[0], 0x10,
+					  0, 0x3ff, 16);
 	if (ret)
 		return ret;
 	/* Request an additional region for the 8255 and 3rd 8254 */