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Groups > linux.kernel > #1424693

[RESEND v7 4/6] extcon: max8997: Fix handling error code of regmap_irq_get_virq()

From Krzysztof Kozlowski <k.kozlowski@samsung.com>
Newsgroups linux.kernel
Subject [RESEND v7 4/6] extcon: max8997: Fix handling error code of regmap_irq_get_virq()
Date 2016-06-17 08:20 +0200
Message-ID <rKVih-2Tr-7@gated-at.bofh.it> (permalink)
References <rKVih-2Tr-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The regmap_irq_get_virq() can return negative ERRNO, so its result
should not be stored in unsigned int because error would be ignored.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
---
 drivers/extcon/extcon-max8997.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index 68754ac2c8ea..0afa3e8b5dc3 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -660,11 +660,11 @@ static int max8997_muic_probe(struct platform_device *pdev)
 
 	for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
 		struct max8997_muic_irq *muic_irq = &muic_irqs[i];
-		unsigned int virq = 0;
+		int virq = 0;
 
 		virq = regmap_irq_get_virq(max8997->irq_data_muic,
 					muic_irq->irq);
-		if (!virq) {
+		if (virq <= 0) {
 			ret = -EINVAL;
 			goto err_irq;
 		}
-- 
1.9.1

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Thread

[RESEND v7 0/6] regulator: mfd: max8997: Add regmap Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  [RESEND v7 4/6] extcon: max8997: Fix handling error code of  regmap_irq_get_virq() Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  [RESEND v7 5/6] rtc: max8997: Check for ERRNO of regmap_irq_get_virq() Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  [RESEND v7 2/6] mfd: max8997: handle IRQs using regmap Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  [RESEND v7 6/6] extcon: max8997: Fix inconsistent indenting Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  [RESEND v7 3/6] mfd: max8997: Change irq names to upper case Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-06-17 08:20 +0200
  Re: [RESEND v7 1/6] mfd: max8997: Use regmap to access registers Mark Brown <broonie@kernel.org> - 2016-06-17 15:10 +0200

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