Re: [PATCH] iio:adc:ad7766: Fix unnecessary check in ad7766_probe()

From: Jonathan Cameron
Date: Sun May 16 2021 - 05:22:05 EST


On Fri, 14 May 2021 14:12:45 +0800
tangbin <tangbin@xxxxxxxxxxxxxxxxxxxx> wrote:

> Hi Jonathan:
>
> On 2021/5/14 0:03, Jonathan Cameron wrote:
> > On Tue, 11 May 2021 21:47:39 +0800
> > Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxx>
> >> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
> > 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@xxxxxxxxxxxxxxxxxxxx>

Thanks for clarifying that.

Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to see if we missed anything.

Thanks,

Jonathan

>
> 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[] = {
>
>