diff --git a/drivers/comedi/drivers/aio_aio12_8.c b/drivers/comedi/drivers/aio_aio12_8.c
index 227a86a3a760..1d9e14981928 100644
--- a/drivers/comedi/drivers/aio_aio12_8.c
+++ b/drivers/comedi/drivers/aio_aio12_8.c
@@ -202,7 +202,8 @@ static int aio_aio12_8_attach(struct comedi_device *dev,
 	struct comedi_subdevice *s;
 	int ret;
 
-	ret = comedi_request_region(dev, it->options[0], 32);
+	ret = comedi_check_request_region(dev, it->options[0], 32,
+					  0x100, 0x3ff, 32);
 	if (ret)
 		return ret;