diff options
| author | Axel Lin <axel.lin@ingics.com> | 2012-12-18 03:33:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2012-12-27 11:00:27 +0000 |
| commit | 13e57ee2056221296f1926d49d00edd224058bea (patch) | |
| tree | 2504fdb8150915afb2775401cc1ae2d09e24651b /drivers/iio | |
| parent | 359570ad3fcfcc3a3031b3a5e01bfb616233eca0 (diff) | |
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 <axel.lin@ingics.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/dac/ad5446.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index 3310cbbd41e..ecb639540df 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)); |