From 272cc9c8b5d0dffe9fb03e6c0ab3da2fde9c20e9 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Fri, 14 Dec 2012 07:48:00 +0000 Subject: [PATCH] iio: dac: ad5380: Don't set error code to st->vref regulator_get_voltage() may return negative error code. Add error checking to avoid setting error code to st->vref_uv. Signed-off-by: Axel Lin Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/iio/dac/ad5380.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c index 14991ac55f2..4aca1895ce5 100644 --- a/drivers/iio/dac/ad5380.c +++ b/drivers/iio/dac/ad5380.c @@ -406,7 +406,11 @@ static int __devinit ad5380_probe(struct device *dev, struct regmap *regmap, goto error_free_reg; } - st->vref = regulator_get_voltage(st->vref_reg); + ret = regulator_get_voltage(st->vref_reg); + if (ret < 0) + goto error_disable_reg; + + st->vref = ret; } else { st->vref = st->chip_info->int_vref; ctrl |= AD5380_CTRL_INT_VREF_EN; -- 2.41.0