linux-kernel - [patch 5/6] ACPI video: check for error in thermal_cooling_device

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Date:	Fri, 15 Feb 2008 10:54:44 +0530
From:	"Thomas, Sujith" <sujith.thomas@...el.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	<lenb@...nel.org>, <mingo@...e.hu>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-pm@...ts.linux-foundation.org>,
	"Zhang, Rui" <rui.zhang@...el.com>
Subject: [patch 5/6] ACPI video: check for error in thermal_cooling_device_register call

From: Thomas Sujith <sujith.thomas@...el.com>

Need to check whetherthermal_cooling_device_register
returned ERROR or not.

Signed-off-by: Thomas Sujith <sujith.thomas@...el.com>
---

 drivers/acpi/video.c |    3 +++
 1 files changed, 3 insertions(+)

Index: linux-2.6.24/drivers/acpi/video.c
===================================================================
--- linux-2.6.24.orig/drivers/acpi/video.c
+++ linux-2.6.24/drivers/acpi/video.c
@@ -731,6 +731,9 @@ static void acpi_video_device_find_cap(s
 
 		device->cdev = thermal_cooling_device_register("LCD",
 					device->dev,
&video_cooling_ops);
+		if (IS_ERR(device->cdev))
+			return;
+
 		if (device->cdev) {
 			printk(KERN_INFO PREFIX
 				"%s is registered as
cooling_device%d\n",

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