From: Andrzej Hajda Date: Mon, 14 Dec 2015 10:06:02 +0000 (+0100) Subject: extcon: max14577: fix handling return value of regmap_irq_get_virq X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c2957563ad0965c8bfb393dcd22ddb683dd1ff1c;p=openwrt%2Fstaging%2Fblogic.git extcon: max14577: fix handling return value of regmap_irq_get_virq 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 Reviewed-by: Krzysztof Kozlowski Signed-off-by: Chanwoo Choi --- diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c index 601dbd996487..b30ab97ce75f 100644 --- a/drivers/extcon/extcon-max14577.c +++ b/drivers/extcon/extcon-max14577.c @@ -692,7 +692,7 @@ static int max14577_muic_probe(struct platform_device *pdev) /* Support irq domain for max14577 MUIC device */ for (i = 0; i < info->muic_irqs_num; i++) { struct max14577_muic_irq *muic_irq = &info->muic_irqs[i]; - unsigned int virq = 0; + int virq = 0; virq = regmap_irq_get_virq(max14577->irq_data, muic_irq->irq); if (virq <= 0)