On 10/11/16 09:25, Brian Masney wrote:
> in_illuminance_calibrate_store() did not check to see if the chip is
> suspended. This patch adds the proper check. The return value from
> taos_als_calibrate() was also not checked in this function, so the
> proper check was also added while changes are being made here.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>
Applied.
> ---
> drivers/staging/iio/light/tsl2583.c | 17 ++++++++++++++---
> 1 file changed, 14 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c
> index 1a7be12..eb59ea0 100644
> --- a/drivers/staging/iio/light/tsl2583.c
> +++ b/drivers/staging/iio/light/tsl2583.c
> @@ -501,16 +501,27 @@ static ssize_t in_illuminance_calibrate_store(struct device *dev,
> {
> struct iio_dev *indio_dev = dev_to_iio_dev(dev);
> struct tsl2583_chip *chip = iio_priv(indio_dev);
> - int value;
> + int value, ret;
>
> if (kstrtoint(buf, 0, &value) || value != 1)
> return -EINVAL;
>
> mutex_lock(&chip->als_mutex);
> - taos_als_calibrate(indio_dev);
> +
> + if (chip->suspended) {
> + ret = -EBUSY;
> + goto done;
> + }
> +
> + ret = taos_als_calibrate(indio_dev);
> + if (ret < 0)
> + goto done;
> +
> + ret = len;
> +done:
> mutex_unlock(&chip->als_mutex);
>
> - return len;
> + return ret;
> }
>
> static ssize_t in_illuminance_lux_table_show(struct device *dev,
>
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