acpi: use non-racy method for proc entries creation

[deliverable/linux.git] / drivers / acpi / fan.c

diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 48cb705b274afb837129ae6d13ead27f8f2c6ccc..194077ab9b85859c5077a9ec26ccf6a94d89be56 100644 (file)
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -192,17 +192,13 @@ static int acpi_fan_add_fs(struct acpi_device *device)
        }
 
        /* 'status' [R/W] */
-       entry = create_proc_entry(ACPI_FAN_FILE_STATE,
-                                 S_IFREG | S_IRUGO | S_IWUSR,
-                                 acpi_device_dir(device));
+       entry = proc_create_data(ACPI_FAN_FILE_STATE,
+                                S_IFREG | S_IRUGO | S_IWUSR,
+                                acpi_device_dir(device),
+                                &acpi_fan_state_ops,
+                                device);
        if (!entry)
                return -ENODEV;
-       else {
-               entry->proc_fops = &acpi_fan_state_ops;
-               entry->data = device;
-               entry->owner = THIS_MODULE;
-       }
-
        return 0;
 }
 
@@ -256,22 +252,28 @@ static int acpi_fan_add(struct acpi_device *device)
 
        cdev = thermal_cooling_device_register("Fan", device,
                                                &fan_cooling_ops);
-       if (cdev)
+       if (IS_ERR(cdev)) {
+               result = PTR_ERR(cdev);
+               goto end;
+       }
+       if (cdev) {
                printk(KERN_INFO PREFIX
                        "%s is registered as cooling_device%d\n",
                        device->dev.bus_id, cdev->id);
-       else
-               goto end;
-       acpi_driver_data(device) = cdev;
-       result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj,
-                                       "thermal_cooling");
-       if (result)
-               return result;
 
-       result = sysfs_create_link(&cdev->device.kobj, &device->dev.kobj,
-                                       "device");
-        if (result)
-                return result;
+               acpi_driver_data(device) = cdev;
+               result = sysfs_create_link(&device->dev.kobj,
+                                          &cdev->device.kobj,
+                                          "thermal_cooling");
+               if (result)
+                       return result;
+
+               result = sysfs_create_link(&cdev->device.kobj,
+                                          &device->dev.kobj,
+                                          "device");
+               if (result)
+                       return result;
+       }
 
        result = acpi_fan_add_fs(device);
        if (result)