linux-kernel - Re: [PATCH] extcon: max77843: fix handling return value of regmap_irq_get

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Date:	Mon, 14 Dec 2015 19:30:44 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] extcon: max77843: fix handling return value of regmap_irq_get_virq

2015-12-14 19:06 GMT+09:00 Andrzej Hajda <a.hajda@...sung.com>:
> 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@...sung.com>
> ---
>  drivers/extcon/extcon-max77843.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Best regards,
Krzysztof
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