diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 50cf5b10ceed98022cbc44609acd280ef2beba81..fd27e986b1dd3437dfd2560ec11efd8def7bf254 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2310,8 +2310,8 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap,
 	void __iomem *base;
 
 	base = devm_ioremap_resource(dev, mmiobase);
-	if (!base)
-		return -ENOMEM;
+	if (IS_ERR(base))
+		return PTR_ERR(base);
 
 	index = pl011_probe_dt_alias(index, dev);