linux-kernel - Re: [PATCH] iio:adc:ad7766: Fix unnecessary check in ad7766

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Message-ID: <05486432-25ab-0e48-c31b-148049a80732@cmss.chinamobile.com>
Date:   Fri, 14 May 2021 14:12:45 +0800
From:   tangbin <tangbin@...s.chinamobile.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     lars@...afoo.de, Michael.Hennerich@...log.com, knaack.h@....de,
        pmeerw@...erw.net, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Zhang Shengju <zhangshengju@...s.chinamobile.com>
Subject: Re: [PATCH] iio:adc:ad7766: Fix unnecessary check in ad7766_probe()

Hi Jonathan:

On 2021/5/14 0:03, Jonathan Cameron wrote:
> On Tue, 11 May 2021 21:47:39 +0800
> Tang Bin <tangbin@...s.chinamobile.com> wrote:
>
>> In the function ad7766_probe(), the return value of
>> devm_iio_device_register() can be zero or ret, Thus it
>> is unnecessary to repeated check here.
>>
>> Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
>> Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
> Hi Tang Bin,
>
> A quick query on this sign off sequence as I'd like to check what the
> intended meaning is.
>
> If you both developed this patch, please use the Co-developed-by: tag
> to indicate that.   If Zhang Shengju wrote the patch then you sent it
> upstream, please fix the 'from' field on the email to reflect that.
>
> Patch itself is good.

Thanks for your reply, it's my mistake, this place should use:

     Co-developed-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>

Thanks

Tang Bin


> Thanks,
>
> Jonathan
>
>> ---
>>   drivers/iio/adc/ad7766.c | 5 +----
>>   1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> diff --git a/drivers/iio/adc/ad7766.c b/drivers/iio/adc/ad7766.c
>> index b6b6765be..acf56e987 100644
>> --- a/drivers/iio/adc/ad7766.c
>> +++ b/drivers/iio/adc/ad7766.c
>> @@ -291,10 +291,7 @@ static int ad7766_probe(struct spi_device *spi)
>>   	if (ret)
>>   		return ret;
>>   
>> -	ret = devm_iio_device_register(&spi->dev, indio_dev);
>> -	if (ret)
>> -		return ret;
>> -	return 0;
>> +	return devm_iio_device_register(&spi->dev, indio_dev);
>>   }
>>   
>>   static const struct spi_device_id ad7766_id[] = {