diff --git a/drivers/comedi/drivers/ni_at_a2150.c b/drivers/comedi/drivers/ni_at_a2150.c
index e4e5a0ebd195..44221c928e32 100644
--- a/drivers/comedi/drivers/ni_at_a2150.c
+++ b/drivers/comedi/drivers/ni_at_a2150.c
@@ -694,7 +694,8 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (!devpriv)
 		return -ENOMEM;
 
-	ret = comedi_request_region(dev, it->options[0], 0x1c);
+	ret = comedi_check_request_region(dev, it->options[0], 0x1c,
+					  0, 0x3ff, 32);
 	if (ret)
 		return ret;