From: Thomas Sujith <[EMAIL PROTECTED]>
Need to extract errors using PTR_ERR macro and
process accordingly.thermal_cooling_device_register
returning NULL means that CONFIG_THERMAL=n and in that
case no need to create symbolic links.
Signed-off-by: Thomas Sujith <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/misc/intel_menlow.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index f70984a..de16e88 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -170,10 +170,13 @@ static int intel_menlow_memory_add(struct acpi_device
*device)
cdev = thermal_cooling_device_register("Memory controller", device,
&memory_cooling_ops);
- acpi_driver_data(device) = cdev;
- if (!cdev)
- result = -ENODEV;
- else {
+ if (IS_ERR(cdev)) {
+ result = PTR_ERR(cdev);
+ goto end;
+ }
+
+ if (cdev) {
+ acpi_driver_data(device) = cdev;
result = sysfs_create_link(&device->dev.kobj,
&cdev->device.kobj, "thermal_cooling");
if (result)
--
1.5.4.2
-
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