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| author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2017-09-18 18:24:15 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-09-24 14:07:28 +0100 |
| commit | 4fb840c95f82652cece7352be9080884cafb92a0 (patch) | |
| tree | 30bf40cf9ff3014834d3e2d85c7f52a7be7dcd96 /drivers/iio/adc/stm32-adc.c | |
| parent | b7a9776c1f9443326632486fcbd82dca82f8511e (diff) | |
| download | linux-4fb840c95f82652cece7352be9080884cafb92a0.tar.gz linux-4fb840c95f82652cece7352be9080884cafb92a0.tar.bz2 linux-4fb840c95f82652cece7352be9080884cafb92a0.zip | |
iio: adc: stm32: fix bad error check on max_channels
Fix a bad error check when counting 'st,adc-channels' array elements.
This is seen when all channels are in use simultaneously.
Fixes: 64ad7f643 ("iio: adc: stm32: introduce compatible data cfg")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/stm32-adc.c')
| -rw-r--r-- | drivers/iio/adc/stm32-adc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 6bc602891f2f..e93244bc3edd 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -1656,7 +1656,7 @@ static int stm32_adc_chan_of_init(struct iio_dev *indio_dev) num_channels = of_property_count_u32_elems(node, "st,adc-channels"); if (num_channels < 0 || - num_channels >= adc_info->max_channels) { + num_channels > adc_info->max_channels) { dev_err(&indio_dev->dev, "Bad st,adc-channels?\n"); return num_channels < 0 ? num_channels : -EINVAL; } |