linux-kernel - [PATCH] POWER: gpio-charger: Check result of kzalloc

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Message-Id: <1290118119-16468-1-git-send-email-lars@metafoo.de>
Date:	Thu, 18 Nov 2010 23:08:37 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Anton Vorontsov <cbouatmailru@...il.com>
Cc:	linux-kernel@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>
Subject: [PATCH] POWER: gpio-charger: Check result of kzalloc

Since kzalloc can return NULL we have to check its result.

Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
---
 drivers/power/gpio-charger.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index fccbe99..8458caf 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -87,6 +87,10 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
 	}
 
 	gpio_charger = kzalloc(sizeof(*gpio_charger), GFP_KERNEL);
+	if (!gpio_charger) {
+		dev_err(&pdev->dev, "Failed to alloc driver structure\n");
+		return -ENOMEM;
+	}
 
 	charger = &gpio_charger->charger;
 
-- 
1.5.6.5

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