Re: [PATCH V7 5/7] iio: adc: Update return value checks

Andy Shevchenko
2020-06-23T08:04:16Z

On Tue, Jun 23, 2020 at 10:31 AM Jishnu Prakash <jprakash@codeaurora.org> wrote:
>
> Clean up some return value checks to make code more compact.
>

FWIW,
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

> Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
> ---
> drivers/iio/adc/qcom-spmi-adc5.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
> index dcc7599..3022313 100644
> --- a/drivers/iio/adc/qcom-spmi-adc5.c
> +++ b/drivers/iio/adc/qcom-spmi-adc5.c
> @@ -301,7 +301,7 @@ static int adc5_configure(struct adc5_chip *adc,
>
> /* Read registers 0x42 through 0x46 */
> ret = adc5_read(adc, ADC5_USR_DIG_PARAM, buf, sizeof(buf));
> - if (ret < 0)
> + if (ret)
> return ret;
>
> /* Digital param selection */
> @@ -388,7 +388,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
>
> if (adc->poll_eoc) {
> ret = adc5_poll_wait_eoc(adc);
> - if (ret < 0) {
> + if (ret) {
> pr_err("EOC bit not set\n");
> goto unlock;
> }
> @@ -398,7 +398,7 @@ static int adc5_do_conversion(struct adc5_chip *adc,
> if (!ret) {
> pr_debug("Did not get completion timeout.\n");
> ret = adc5_poll_wait_eoc(adc);
> - if (ret < 0) {
> + if (ret) {
> pr_err("EOC bit not set\n");
> goto unlock;
> }
> @@ -516,8 +516,6 @@ static int adc5_read_raw(struct iio_dev *indio_dev,
> default:
> return -EINVAL;
> }
> -
> - return 0;
> }
>
> static int adc7_read_raw(struct iio_dev *indio_dev,
> @@ -761,7 +759,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc,
>
> ret = adc5_read(adc, ADC5_USR_REVISION1, dig_version,
> sizeof(dig_version));
> - if (ret < 0) {
> + if (ret) {
> dev_err(dev, "Invalid dig version read %d\n", ret);
> return ret;
> }
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>

--
With Best Regards,
Andy Shevchenko