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

[Chanwoo Choi <cw00.choi@samsung.com>]

On 2015년 12월 14일 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@samsung.com>
> ---
>  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