linux-kernel - [PATCH] power: gpio-charger: Fix checking return value of request_any_context

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Date:	Mon, 04 Jul 2011 18:04:15 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Anton Vorontsov <cbouatmailru@...il.com>,
	Lars-Peter Clausen <lars@...afoo.de>
Subject: [PATCH] power: gpio-charger: Fix checking return value of
 request_any_context_irq

request_any_context_irq() returns a negative value on failure.
On success, it returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/power/gpio-charger.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index 718f2c5..a64b885 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -127,7 +127,7 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
 		ret = request_any_context_irq(irq, gpio_charger_irq,
 				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 				dev_name(&pdev->dev), charger);
-		if (ret)
+		if (ret < 0)
 			dev_warn(&pdev->dev, "Failed to request irq: %d\n", ret);
 		else
 			gpio_charger->irq = irq;
-- 
1.7.4.1



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