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SubjectRe: [PATCH -next] iio: adc: ad7793: Add missing error code in ad7793_setup()
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On 2021/5/14 15:36, Lars-Peter Clausen wrote:
> On 5/14/21 8:54 AM, YueHaibing wrote:
>> Set error code while device ID query failed.
>>
>> Fixes: 88bc30548aae ("IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>
> Hi,
>
> Thanks for finding and fixing this. One small comment.
>
>
>> ---
>>   drivers/iio/adc/ad7793.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
>> index 5e980a06258e..b4f9ac3838e1 100644
>> --- a/drivers/iio/adc/ad7793.c
>> +++ b/drivers/iio/adc/ad7793.c
>> @@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
>>       id &= AD7793_ID_MASK;
>>         if (id != st->chip_info->id) {
>> +        ret = -EINVAL;
> Usually we use ENODEV as the error code when the device ID does not match.

Thanks, will send v2.

>>           dev_err(&st->sd.spi->dev, "device ID query failed\n");
>>           goto out;
>>       }
>
>
> .

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