On Sun, 6 Oct 2019 15:22:02 +0200
Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:
> Always grub conf mutex in st_lsm6dsx_write_event_config since it can run
> concurrently with FIFO configuration
>
> Fixes: b5969abfa8b8 ("iio: imu: st_lsm6dsx: add motion events")
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
applied.
> ---
> drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> index 023646762b4a..04231710ab9c 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> @@ -1604,7 +1604,9 @@ static int st_lsm6dsx_write_event_config(struct iio_dev *iio_dev,
> if (err < 0)
> return err;
>
> + mutex_lock(&hw->conf_lock);
> err = st_lsm6dsx_sensor_set_enable(sensor, state);
> + mutex_unlock(&hw->conf_lock);
> if (err < 0)
> return err;
>
