linux-kernel - [PATCH] iio: imu: adis16480: clean up a condition

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Message-ID: <20190926081016.GA2332@mwanda>
Date:   Thu, 26 Sep 2019 11:10:18 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Lars-Peter Clausen <lars@...afoo.de>
Cc:     Michael Hennerich <Michael.Hennerich@...log.com>,
        Stefan Popa <stefan.popa@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] iio: imu: adis16480: clean up a condition

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@...cle.com>
---
 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