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Subject[PATCH 5/6] iio: dac: ad5686: Don't set error code to voltage_uv
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Date
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@ingics.com>
---
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)
+ goto error_disable_reg;
+
+ voltage_uv = ret;
}

st->chip_info =
--
1.7.9.5




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