On Mon, 18 Sep 2017 18:24:15 +0200
Fabrice Gasnier <fabrice.gasnier@xxxxxx> wrote:
> 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>
Applied to fixes-togreg-post-rc1, fixes tag added and marked for
stable.
Jonathan
> ---
> 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;
> }
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