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> --- v2: check if ret is negative value drivers/iio/dac/ad5686.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c index bc92ff9..28f2e59 100644 --- a/drivers/iio/dac/ad5686.c +++ b/drivers/iio/dac/ad5686.c @@ -332,7 +332,11 @@ static int __devinit ad5686_probe(struct spi_device *spi) if (ret) goto error_put_reg; - voltage_uv = regulator_get_voltage(st->reg); + ret = regulator_get_voltage(st->reg); + if (ret < 0) + goto error_disable_reg; + + voltage_uv = ret; } st->chip_info = -- 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
