linux-kernel - [PATCH] iio: st_accel: remove unnecessary comparison of unsigned integer with

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Date:   Mon, 18 Mar 2019 12:33:02 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Daniel Drake <drake@...lessm.com>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] iio: st_accel: remove unnecessary comparison of unsigned
 integer with < 0

There is no need to compare *val* with < 0 because such comparison
of an unsigned value is always false.

Fix this by removing such comparison.

Addresses-Coverity-ID: 1443919 ("Unsigned compared against 0")
Fixes: f38ab20b749d ("iio: st_accel: use ACPI orientation data")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/iio/accel/st_accel_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index a3c0916479fa..9930edf423bf 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -992,7 +992,7 @@ static int apply_acpi_orientation(struct iio_dev *indio_dev,
 			goto out;
 
 		val = elements[i].integer.value;
-		if (val < 0 || val > 2)
+		if (val > 2)
 			goto out;
 
 		/* Avoiding full matrix multiplication, we simply reorder the
-- 
2.21.0