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

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

From: Naidu Tellapati <naidu.tellap...@imgtec.com>

commit 65a761bf8d55fdcf8ecc4642382a4e76c086e44c upstream.

regulator_get_voltage() returns a non-negative value in case of success,
and a negative error in case of error. Let's fix this.

Fixes: 1664f6a5b0c8 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellap...@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.gar...@imgtec.com>
Signed-off-by: Jonathan Cameron <ji...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/iio/adc/cc10001_adc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/adc/cc10001_adc.c
+++ b/drivers/iio/adc/cc10001_adc.c
@@ -231,7 +231,7 @@ static int cc10001_adc_read_raw(struct i
 
        case IIO_CHAN_INFO_SCALE:
                ret = regulator_get_voltage(adc_dev->reg);
-               if (ret)
+               if (ret < 0)
                        return ret;
 
                *val = ret / 1000;


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