diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
index 64842f3539e1..0b06770642cb 100644
--- a/drivers/tty/serial/liteuart.c
+++ b/drivers/tty/serial/liteuart.c
@@ -270,8 +270,8 @@ static int liteuart_probe(struct platform_device *pdev)
 
 	/* get membase */
 	port->membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
-	if (!port->membase)
-		return -ENXIO;
+	if (IS_ERR(port->membase))
+		return PTR_ERR(port->membase);
 
 	/* values not from device tree */
 	port->dev = &pdev->dev;