diff options
| author | Axel Lin <axel.lin@ingics.com> | 2012-12-14 12:08:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2012-12-27 11:00:22 +0000 |
| commit | 359570ad3fcfcc3a3031b3a5e01bfb616233eca0 (patch) | |
| tree | 3a0f820aa214f71b875f6583db356fad15011250 /drivers | |
| parent | 8434e7856551015650f62afa48e8f9e9b4bf80f2 (diff) | |
iio: dac: ad5686: 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>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/dac/ad5686.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c index bc92ff9309c..01eb1d0e4e4 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 < 0) + goto error_disable_reg; + + voltage_uv = ret; } st->chip_info = |