Fix a bad error check when counting 'st,adc-channels' array elements.
This is seen when all channels are in use simultaneously.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
---
drivers/iio/adc/stm32-adc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index e3c15f8..4df32cf 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -1666,7 +1666,7 @@ 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;
}
--
1.9.1
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