diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 1894aded4c85775f2c939fc46398678e1d00db71..acfcb378767db2d81da3787ad95d92562f5fabac 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -269,6 +269,8 @@ static int mtk_rtc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -EINVAL;
 	rtc->addr_base = res->start;
 
 	rtc->data = of_device_get_match_data(&pdev->dev);