On Sat, 3 Nov 2018 19:49:43 -0300
Matheus Tavares <matheus.bernard...@usp.br> wrote:
> Previously, when spi_read returned an error code inside ad2s90_read_raw,
> the code was ignored and IIO_VAL_INT was returned. This patch makes the
> function return the error code returned by spi_read when it fails.
>
> Signed-off-by: Matheus Tavares <matheus.bernard...@usp.br>
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/resolver/ad2s90.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/iio/resolver/ad2s90.c
> b/drivers/staging/iio/resolver/ad2s90.c
> index 59586947a936..ba55de29ef36 100644
> --- a/drivers/staging/iio/resolver/ad2s90.c
> +++ b/drivers/staging/iio/resolver/ad2s90.c
> @@ -36,11 +36,12 @@ static int ad2s90_read_raw(struct iio_dev *indio_dev,
>
> mutex_lock(&st->lock);
> ret = spi_read(st->sdev, st->rx, 2);
> - if (ret)
> - goto error_ret;
> + if (ret < 0) {
> + mutex_unlock(&st->lock);
> + return ret;
> + }
> *val = (((u16)(st->rx[0])) << 4) | ((st->rx[1] & 0xF0) >> 4);
>
> -error_ret:
> mutex_unlock(&st->lock);
>
> return IIO_VAL_INT;
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