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iio: sensors-core: st: Check st_sensors_set_drdy_int_pin()'s return value

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Value from st_sensors_set_drdy_int_pin() is assigned to err here,
but that stored value is not used before it is overwritten.  To fix
this we're enforcing a check on st_sensors_set_drdy_int_pin()'s
return value and if it's an error, we're returning right away.

Cc: jic23@kernel.org
Cc: linux-iio@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lee Jones 2014-08-28 14:14:00 +01:00 committed by Jonathan Cameron
parent 3068ab202e
commit 3c8bf22346
1 changed files with 4 additions and 1 deletions
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5
drivers/iio/common/st_sensors/st_sensors_core.c
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@ -306,8 +306,11 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
if (of_pdata) if (of_pdata)
pdata = of_pdata; pdata = of_pdata;
if (pdata) if (pdata) {
err = st_sensors_set_drdy_int_pin(indio_dev, pdata); err = st_sensors_set_drdy_int_pin(indio_dev, pdata);
if (err < 0)
return err;
}
err = st_sensors_set_enable(indio_dev, false); err = st_sensors_set_enable(indio_dev, false);
if (err < 0) if (err < 0)