On 19/10/16 11:32, Brian Masney wrote:
> taos_gain_store() and taos_als_calibrate() both have a code path where
> -1 was returned. This patch changes the code so that a proper error code
> is returned to make the code consistent with the error paths that are
> present within those same functions.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
> ---
> drivers/staging/iio/light/tsl2583.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
> index 08f1583..1e42a19 100644
> --- a/drivers/staging/iio/light/tsl2583.c
> +++ b/drivers/staging/iio/light/tsl2583.c
> @@ -359,7 +359,7 @@ static int taos_als_calibrate(struct iio_dev *indio_dev)
> != (TSL258X_CNTL_ADC_ENBL | TSL258X_CNTL_PWR_ON)) {
> dev_err(&chip->client->dev,
> "taos_als_calibrate failed: device not powered on with ADC enabled\n");
> - return -1;
> + return -ENODATA;
Hmm. Not sure about this as the error value. Perhaps a simple -EINVAL?
Also, this is still eating the possible error returned directly by
i2c_smbus_read_byte - would you mind fixing that whilst we are here?
> }
>
> ret = i2c_smbus_write_byte(chip->client,
> @@ -569,7 +569,7 @@ static ssize_t taos_gain_store(struct device *dev,
> break;
> default:
> dev_err(dev, "Invalid Gain Index (must be 1,8,16,111)\n");
> - return -1;
> + return -EINVAL;
> }
>
> return len;
>
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