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iio: imu: st_lsm6dsx: check return value from st_lsm6dsx_sensor_set_enable

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Add missing return value check in st_lsm6dsx_read_oneshot disabling the
sensor. The issue is reported by coverity with the following error:

Unchecked return value:
If the function returns an error value, the error value may be mistaken
for a normal value.

Addresses-Coverity-ID: 1446733 ("Unchecked return value")
Fixes: b5969abfa8 ("iio: imu: st_lsm6dsx: add motion events")
Fixes: 290a6ce11d ("iio: imu: add support to lsm6dsx driver")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Lorenzo Bianconi 2020-01-02 09:36:29 +01:00 • committed by Jonathan Cameron
parent 4766897a9d
commit a2dd9bd933
1 changed files with 5 additions and 2 deletions
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7
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
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@ -1555,8 +1555,11 @@ static int st_lsm6dsx_read_oneshot(struct st_lsm6dsx_sensor *sensor,
if (err < 0)
return err;
if (!hw->enable_event)
st_lsm6dsx_sensor_set_enable(sensor, false);
if (!hw->enable_event) {
err = st_lsm6dsx_sensor_set_enable(sensor, false);
if (err < 0)
return err;
}
*val = (s16)le16_to_cpu(data);