linux-kernel - [PATCH 4.15 100/105] iio: imu: st_lsm6dsx: fix endianness in st_lsm6dsx_read

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Message-Id: <20180327162804.082521634@linuxfoundation.org>
Date:   Tue, 27 Mar 2018 18:28:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH 4.15 100/105] iio: imu: st_lsm6dsx: fix endianness in st_lsm6dsx_read_oneshot()

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>

commit 7b9ebe428266fb7e0a6d769bb3ff3fcb6044b15e upstream.

Apply le16_to_cpu() to data read from the sensor in order to take into
account architecture endianness

Fixes: 290a6ce11d93 (iio: imu: add support to lsm6dsx driver)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -448,7 +448,7 @@ static int st_lsm6dsx_read_oneshot(struc
 
 	st_lsm6dsx_sensor_disable(sensor);
 
-	*val = (s16)data;
+	*val = (s16)le16_to_cpu(data);
 
 	return IIO_VAL_INT;
 }