From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Date: Fri, 18 Apr 2014 14:47:30 +0000 (+0200)
Subject: extcon: max14577: Properly handle regmap_irq_get_virq error
X-Git-Tag: firefly_0821_release~176^2~3465^2~41^2~21^2~17
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=369afd4ba22f5b8de0c9229b6e62b3f9e2207034;p=firefly-linux-kernel-4.4.55.git

extcon: max14577: Properly handle regmap_irq_get_virq error

The regmap_irq_get_virq may return 0 or -EINVAL on error. Fail the probe
in both situations.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---

diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index 4179ce1a23de..2acf7461c905 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -721,7 +721,7 @@ static int max14577_muic_probe(struct platform_device *pdev)
 		unsigned int virq = 0;
 
 		virq = regmap_irq_get_virq(max14577->irq_data, muic_irq->irq);
-		if (!virq)
+		if (virq <= 0)
 			return -EINVAL;
 		muic_irq->virq = virq;