From: Lorenzo Bianconi Date: Sun, 6 Oct 2019 13:22:02 +0000 (+0200) Subject: iio: imu: st_lsm6dsx: grab conf mutex in st_lsm6dsx_write_event_config X-Git-Tag: v5.15~5053^2~130^2~47 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d278d4479402d9cd653bfa5714399410f4196445;p=platform%2Fkernel%2Flinux-starfive.git iio: imu: st_lsm6dsx: grab conf mutex in st_lsm6dsx_write_event_config 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 Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index a6d5a9e..0d5054a 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -1619,7 +1619,9 @@ 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;