The "t" variable is unsigned so it can't be less than zero. We really are just trying to prevent divide by zero bugs so just checking against zero is sufficient. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/iio/imu/adis16480.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index b99d73887c9f..e144e567675d 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -318,7 +318,7 @@ static int adis16480_set_freq(struct iio_dev *indio_dev, int val, int val2) unsigned int t, reg; t = val * 1000 + val2 / 1000; - if (t <= 0) + if (t == 0) return -EINVAL; /* -- 2.20.1