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

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Date:   Mon, 25 May 2020 09:27:38 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH 1/2] rtc: goldfish: Fix return value of
 goldfish_rtc_probe()

On 05/24/2020 03:50 AM, Alexandre Belloni wrote:
> Hi,
>
> On 23/05/2020 17:56:21+0800, Tiezhu Yang wrote:
>> 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()")
> This doesn't fix an issue and it was anyway not introduced by that
> commit. Please correct your commit message and subject.

OK, thanks for your reply.

I will remove the fixes tag and use the following patch subjects:
"rtc: goldfish: Use correct return value for goldfish_rtc_probe()"
"rtc: mpc5121: Use correct return value for mpc5121_rtc_probe()"

Thanks,
Tiezhu Yang

>
>> 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
>>