linux-kernel - [PATCH 1/2] rtc: goldfish: Fix return value of goldfish_rtc

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Message-Id: <1590227782-32249-1-git-send-email-yangtiezhu@loongson.cn>
Date:   Sat, 23 May 2020 17:56:21 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>
Subject: [PATCH 1/2] rtc: goldfish: Fix return value of goldfish_rtc_probe()

When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Fixes: 89576bebbc17 ("rtc: Use devm_platform_ioremap_resource()")
Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
---
 drivers/rtc/rtc-goldfish.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c
index cb6b0ad..2779715 100644
--- a/drivers/rtc/rtc-goldfish.c
+++ b/drivers/rtc/rtc-goldfish.c
@@ -174,7 +174,7 @@ static int goldfish_rtc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, rtcdrv);
 	rtcdrv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rtcdrv->base))
-		return -ENODEV;
+		return PTR_ERR(rtcdrv->base);
 
 	rtcdrv->irq = platform_get_irq(pdev, 0);
 	if (rtcdrv->irq < 0)
-- 
2.1.0