From: Pan Bian <bianpan2016@xxxxxxx> At the end of function ad7150_write_event_config(), directly returns 0. As a result, the errors will be ignored by the callers. It may be better to return variable "ret". Signed-off-by: Pan Bian <bianpan2016@xxxxxxx> --- drivers/staging/iio/cdc/ad7150.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index 5578a07..50a5b0c2 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -274,7 +274,7 @@ static int ad7150_write_event_config(struct iio_dev *indio_dev, error_ret: mutex_unlock(&chip->state_lock); - return 0; + return ret; } static int ad7150_read_event_value(struct iio_dev *indio_dev, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html