regulator_get_voltage() may return negative error code. Add error checking to avoid setting error code to voltage_uv. Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> --- drivers/iio/dac/ad5504.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index 242bdc7..1e9a1f4 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -296,7 +296,11 @@ static int __devinit ad5504_probe(struct spi_device *spi) if (ret) goto error_put_reg; - voltage_uv = regulator_get_voltage(reg); + ret = regulator_get_voltage(reg); + if (ret) + goto error_disable_reg; + + voltage_uv = ret; } spi_set_drvdata(spi, indio_dev); -- 1.7.9.5 -- 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
