linux-kernel - Re: [PATCH] extcon: max77693: fix handling return value of regmap_irq_get

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Date:	Tue, 15 Dec 2015 10:08:47 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Andrzej Hajda <a.hajda@...sung.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] extcon: max77693: fix handling return value of
 regmap_irq_get_virq

On 2015년 12월 14일 20:12, Andrzej Hajda wrote:
> The function can return negative values, so its result should
> be assigned to signed variable.
> 
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> Suggested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  drivers/extcon/extcon-max77693.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
> index 44c499e..fdf8f5d 100644
> --- a/drivers/extcon/extcon-max77693.c
> +++ b/drivers/extcon/extcon-max77693.c
> @@ -1127,11 +1127,11 @@ static int max77693_muic_probe(struct platform_device *pdev)
>  	/* Support irq domain for MAX77693 MUIC device */
>  	for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
>  		struct max77693_muic_irq *muic_irq = &muic_irqs[i];
> -		unsigned int virq = 0;
> +		int virq;
>  
>  		virq = regmap_irq_get_virq(max77693->irq_data_muic,
>  					muic_irq->irq);
> -		if (!virq)
> +		if (virq <= 0)
>  			return -EINVAL;
>  		muic_irq->virq = virq;
>  
> 

Applied it.

Thanks,
Chanwoo Choi
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