This puts an upper bound on "val2" but it also needs to have a lower
bound (BMA400_SCALE_MIN).
Fixes: 465c811f1f20 ("iio: accel: Add driver for the BMA400")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: the first version just capped it at zero but it should be
BMA400_SCALE_MIN (38357).
drivers/iio/accel/bma400_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index ab4a158b35af..cc77f89c048b 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c
@@ -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);
--
2.11.0
