From 13e57ee2056221296f1926d49d00edd224058bea Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 18 Dec 2012 03:33:00 +0000 Subject: iio: dac: ad5446: Don't set error code to voltage_uv regulator_get_voltage() may return negative error code. Add error checking to avoid setting error code to voltage_uv. Signed-off-by: Axel Lin Signed-off-by: Jonathan Cameron --- drivers/iio/dac/ad5446.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index 3310cbbd41e7..ecb639540dff 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -226,7 +226,11 @@ static int __devinit ad5446_probe(struct device *dev, const char *name, if (ret) goto error_put_reg; - voltage_uv = regulator_get_voltage(reg); + ret = regulator_get_voltage(reg); + if (ret < 0) + goto error_disable_reg; + + voltage_uv = ret; } indio_dev = iio_device_alloc(sizeof(*st)); -- cgit v1.2.3