Commit 98496ccd authored by Dan Carpenter's avatar Dan Carpenter Committed by Jonathan Cameron
Browse files

iio: accel: bma400: prevent setting accel scale too low 



This puts an upper bound on "val2" but it also needs to have a lower
bound (BMA400_SCALE_MIN).

Fixes: 465c811f ("iio: accel: Add driver for the BMA400")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 84961af7

drivers/iio/accel/bma400_core.c

+2 −1
Original line number Diff line number Diff line
@@ -752,7 +752,8 @@ static int bma400_write_raw(struct iio_dev *indio_dev, 
		mutex_unlock(&data->mutex);

		return ret;

	case IIO_CHAN_INFO_SCALE:

		if (val != 0 || val2 > BMA400_SCALE_MAX)

		if (val != 0 ||

		    val2 < BMA400_SCALE_MIN || val2 > BMA400_SCALE_MAX)

			return -EINVAL;



		mutex_lock(&data->mutex);