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extcon: max77693: fix handling return value of regmap_irq_get_virq 

The function can return negative values, so its result should
be assigned to signed variable.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Andrzej Hajda 2015-12-14 12:12:42 +01:00 committed by Chanwoo Choi
parent c2957563ad
commit cbc46603df
1 changed files with 2 additions and 2 deletions
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4
drivers/extcon/extcon-max77693.c
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@ -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;