diff options
| -rw-r--r-- | drivers/acpi/processor_core.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 75ccf5d18bf..b02006951cd 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -670,21 +670,26 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); - if (pr->cdev) + if (IS_ERR(pr->cdev)) { + result = PTR_ERR(pr->cdev); + goto end; + } + if (pr->cdev) { printk(KERN_INFO PREFIX "%s is registered as cooling_device%d\n", device->dev.bus_id, pr->cdev->id); - else - goto end; - result = sysfs_create_link(&device->dev.kobj, &pr->cdev->device.kobj, - "thermal_cooling"); - if (result) - return result; - result = sysfs_create_link(&pr->cdev->device.kobj, &device->dev.kobj, - "device"); - if (result) - return result; + result = sysfs_create_link(&device->dev.kobj, + &pr->cdev->device.kobj, + "thermal_cooling"); + if (result) + return result; + result = sysfs_create_link(&pr->cdev->device.kobj, + &device->dev.kobj, + "device"); + if (result) + return result; + } if (pr->flags.throttling) { printk(KERN_INFO PREFIX "%s [%s] (supports", @@ -809,10 +814,12 @@ static int acpi_processor_remove(struct acpi_device *device, int type) acpi_processor_remove_fs(device); - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&pr->cdev->device.kobj, "device"); - thermal_cooling_device_unregister(pr->cdev); - pr->cdev = NULL; + if (pr->cdev) { + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); + sysfs_remove_link(&pr->cdev->device.kobj, "device"); + thermal_cooling_device_unregister(pr->cdev); + pr->cdev = NULL; + } processors[pr->id] = NULL; |