On Fri, 14 May 2021 16:02:54 +0800 YueHaibing <yuehaibing@xxxxxxxxxx> 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@xxxxxxxxxx> This one is going to be 'interesting' as that bit of code has changed a lot since the fixes tag so chances are we may need to do a manual backport (or several!) Applied to the fixes-togreg branch of iio.git. Thanks, Jonathan > --- > v2: use ENODEV instead of EINVAL > > 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 = -ENODEV; > dev_err(&st->sd.spi->dev, "device ID query failed\n"); > goto out; > }