From: Thomas Sujith <sujith.thomas@intel.com>
Date: Fri, 15 Feb 2008 23:29:18 +0000 (-0500)
Subject: ACPI video: check for error from thermal_cooling_device_register
X-Git-Tag: v2.6.25-rc3~95^2^6~1
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=43ff39f2f6450fa2e9a566f8bf007a26d76f2c9d;p=~emulex%2Finfiniband.git

ACPI video: check for error from thermal_cooling_device_register

Need to check whether thermal_cooling_device_register
returned ERROR or not.

Signed-off-by: Thomas Sujith <sujith.thomas@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 7f714fa2a45..12cce69b544 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -731,6 +731,9 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 
 		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",