Re: [PATCH v6 5/9] extcon: max8997: Fix handling error code of regmap_irq_get_virq()

From: Chanwoo Choi
Date: Mon May 09 2016 - 21:23:56 EST


Hi Krzysztof,

On 2016ë 05ì 06ì 16:27, Krzysztof Kozlowski wrote:
> The regmap_irq_get_virq() can return negative ERRNO, so its result
> should not be stored in unsigned int because error would be ignored.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> ---
> drivers/extcon/extcon-max8997.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
> index 68754ac2c8ea..0afa3e8b5dc3 100644
> --- a/drivers/extcon/extcon-max8997.c
> +++ b/drivers/extcon/extcon-max8997.c
> @@ -660,11 +660,11 @@ static int max8997_muic_probe(struct platform_device *pdev)
>
> for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
> struct max8997_muic_irq *muic_irq = &muic_irqs[i];
> - unsigned int virq = 0;
> + int virq = 0;
>
> virq = regmap_irq_get_virq(max8997->irq_data_muic,
> muic_irq->irq);
> - if (!virq) {
> + if (virq <= 0) {
> ret = -EINVAL;
> goto err_irq;
> }
>

Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>

Thanks,
Chanwoo Choi