linux-kernel - Re: [PATCH v2 2/3] staging: iio: ad7150: simplify i2c SMBus return treatment

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Message-ID: <20190616112048.67082117@archlinux>
Date:   Sun, 16 Jun 2019 11:20:48 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Melissa Wen <melissa.srw@...il.com>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Stefan Popa <stefan.popa@...log.com>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Barry Song <21cnbao@...il.com>, linux-iio@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        kernel-usp@...glegroups.com
Subject: Re: [PATCH v2 2/3] staging: iio: ad7150: simplify i2c SMBus return
 treatment

On Fri, 14 Jun 2019 13:32:54 -0300
Melissa Wen <melissa.srw@...il.com> wrote:

> Since i2c_smbus_write_byte_data returns no-positive value, this commit
> making the treatment of its return value less verbose.
> 
> Signed-off-by: Melissa Wen <melissa.srw@...il.com>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.

Thanks,

Jonathan

> ---
>  drivers/staging/iio/cdc/ad7150.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
> index 091aa33589d7..7d56f10a19ed 100644
> --- a/drivers/staging/iio/cdc/ad7150.c
> +++ b/drivers/staging/iio/cdc/ad7150.c
> @@ -202,16 +202,11 @@ static int ad7150_write_event_params(struct iio_dev *indio_dev,
>  	ret = i2c_smbus_write_byte_data(chip->client,
>  					ad7150_addresses[chan][4],
>  					sens);
> -	if (ret < 0)
> +	if (ret)
>  		return ret;
> -
> -	ret = i2c_smbus_write_byte_data(chip->client,
> +	return i2c_smbus_write_byte_data(chip->client,
>  					ad7150_addresses[chan][5],
>  					timeout);
> -	if (ret < 0)
> -		return ret;
> -
> -	return 0;
>  }
>  
>  static int ad7150_write_event_config(struct iio_dev *indio_dev,