linux-kernel - [PATCH] gpio: Fix uninitialized variable bit in adp5588_irq

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Date:	Fri, 06 Apr 2012 20:37:43 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Michael Hennerich <hennerich@...ckfin.uclinux.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH] gpio: Fix uninitialized variable bit in adp5588_irq_handler

The variable 'bit' is uninitialized in the first iteration of for loop. Fix it.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/gpio/gpio-adp5588.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index 9ad1703..ae5d7f1 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -252,7 +252,7 @@ static irqreturn_t adp5588_irq_handler(int irq, void *devid)
 		if (ret < 0)
 			memset(dev->irq_stat, 0, ARRAY_SIZE(dev->irq_stat));
 
-		for (bank = 0; bank <= ADP5588_BANK(ADP5588_MAXGPIO);
+		for (bank = 0, bit = 0; bank <= ADP5588_BANK(ADP5588_MAXGPIO);
 			bank++, bit = 0) {
 			pending = dev->irq_stat[bank] & dev->irq_mask[bank];
 
-- 
1.7.5.4



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