On Mon, 18 Sep 2017 18:24:15 +0200
Fabrice Gasnier <fabrice.gasn...@st.com> 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.gasn...@st.com>

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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