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....@ingics.com>
---
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
--
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