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authorNaidu Tellapati <naidu.tellapati@imgtec.com>2015-05-07 18:22:19 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-06-06 08:20:54 -0700
commitbfd7a0923d8a51373911328743699fe4623eeac0 (patch)
treebdad405b747e4cbda682e9261df05994efdfb19f
parentf82128dac1fa79c4f38d32f08adc80e237e7e5c6 (diff)
iio: adc: cc10001: Fix regulator_get_voltage() return value check
commit 65a761bf8d55fdcf8ecc4642382a4e76c086e44c upstream. regulator_get_voltage() returns a non-negative value in case of success, and a negative error in case of error. Let's fix this. Fixes: 1664f6a5b0c8 ("iio: adc: Cosmic Circuits 10001 ADC driver") Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/iio/adc/cc10001_adc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/cc10001_adc.c b/drivers/iio/adc/cc10001_adc.c
index 57146335862e..115f6e99a7fa 100644
--- a/drivers/iio/adc/cc10001_adc.c
+++ b/drivers/iio/adc/cc10001_adc.c
@@ -231,7 +231,7 @@ static int cc10001_adc_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
ret = regulator_get_voltage(adc_dev->reg);
- if (ret)
+ if (ret < 0)
return ret;
*val = ret / 1000;