linux-kernel - [PATCH] power: gpio-charger: fix potential NULL dereference

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Date:	Fri, 26 Nov 2010 20:06:47 +0300
From:	Vasiliy Kulikov <segoon@...nwall.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] power: gpio-charger: fix potential NULL dereference

kzalloc() may fail, if so return with -ENOMEM.

Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>
---
 Compile tested only.

 drivers/power/gpio-charger.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index fccbe99..41e4687 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -87,6 +87,8 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
 	}
 
 	gpio_charger = kzalloc(sizeof(*gpio_charger), GFP_KERNEL);
+	if (gpio_charger == NULL)
+		return -ENOMEM;
 
 	charger = &gpio_charger->charger;
 
-- 
1.7.0.4

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