Messages in this thread Patch in this message | | | Subject | [PATCH] iio: dac: ad5446: Don't set error code to voltage_uv | From | Axel Lin <> | Date | Tue, 18 Dec 2012 09:45:09 +0800 |
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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/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 3310cbb..607378f 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) + goto error_disable_reg; + + voltage_uv = ret; } indio_dev = iio_device_alloc(sizeof(*st)); -- 1.7.9.5
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