linux-kernel - [PATCH RESEND] jz4740-hwmon: check kmalloc() result

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Message-Id: <1280711795.6538.9.camel@mola>
Date:	Mon, 02 Aug 2010 09:16:35 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	lm-sensors@...sensors.org, Jean Delvare <khali@...ux-fr.org>,
	Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH RESEND] jz4740-hwmon: check kmalloc() result

>>From 16482398f86ac6cc3b08b10352efd01b56d67473 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@...il.com>
Date: Mon, 2 Aug 2010 09:02:26 +0800
Subject: [PATCH] jz4740-hwmon: check kmalloc() result

If kmalloc() fails exit with -ENOMEM.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
This patch is against linux-next.
This resend separates the fix for jz4740-hwmon and jz474-adc in 2 patches.

 drivers/hwmon/jz4740-hwmon.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
index 72a4335..1c8b3d9 100644
--- a/drivers/hwmon/jz4740-hwmon.c
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -107,6 +107,10 @@ static int __devinit jz4740_hwmon_probe(struct platform_device *pdev)
 	struct jz4740_hwmon *hwmon;
 
 	hwmon = kmalloc(sizeof(*hwmon), GFP_KERNEL);
+	if (!hwmon) {
+		dev_err(&pdev->dev, "Failed to allocate driver structure\n");
+		return -ENOMEM;
+	}
 
 	hwmon->cell = pdev->dev.platform_data;
 
-- 
1.5.4.3



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