iio:bma180: Missing check for frequency fractional part
val2 should be zero
This will make no difference for correct inputs but will reject
incorrect ones with a decimal part in the value written to the sysfs
interface.
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 28388bb..a077cc8 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -376,6 +376,8 @@
mutex_unlock(&data->mutex);
return ret;
case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
+ if (val2)
+ return -EINVAL;
mutex_lock(&data->mutex);
ret = bma180_set_bw(data, val);
mutex_unlock(&data->mutex);