Re: [PATCH] extcon: max77843: fix handling return value of regmap_irq_get_virq

From: Chanwoo Choi
Date: Mon Dec 14 2015 - 20:09:13 EST


On 2015ë 12ì 14ì 19:06, Andrzej Hajda wrote:
> The function can return negative values, so its result should
> be assigned to signed variable.
>
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107
>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> ---
> drivers/extcon/extcon-max77843.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
> index 9f9ea33..74dfb7f 100644
> --- a/drivers/extcon/extcon-max77843.c
> +++ b/drivers/extcon/extcon-max77843.c
> @@ -811,7 +811,7 @@ static int max77843_muic_probe(struct platform_device *pdev)
>
> for (i = 0; i < ARRAY_SIZE(max77843_muic_irqs); i++) {
> struct max77843_muic_irq *muic_irq = &max77843_muic_irqs[i];
> - unsigned int virq = 0;
> + int virq = 0;
>
> virq = regmap_irq_get_virq(max77843->irq_data_muic,
> muic_irq->irq);
>

Applied it.

Thanks,
Chanwoo Choi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/