ACPI: dock: dock_add - hoist up platform_device_register_simple()

Move the call to platform_device_register_simple so that we do it
before allocating and initializing our struct dock_station.
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/dock.c

@@ -948,11 +948,18 @@ static int dock_add(acpi_handle handle)
 	struct dock_station *dock_station;
 	struct platform_device *dock_device;
 
+	dock_device =
+		platform_device_register_simple("dock",
+			dock_station_count, NULL, 0);
+	if (IS_ERR(dock_device))
+		return PTR_ERR(dock_device);
+
 	/* allocate & initialize the dock_station private data */
 	dock_station = kzalloc(sizeof(*dock_station), GFP_KERNEL);
 	if (!dock_station)
 		return -ENOMEM;
 	dock_station->handle = handle;
+	dock_station->dock_device = dock_device;
 	dock_station->last_dock_time = jiffies - HZ;
 	INIT_LIST_HEAD(&dock_station->dependent_devices);
 	INIT_LIST_HEAD(&dock_station->hotplug_devices);
@@ -961,15 +968,6 @@ static int dock_add(acpi_handle handle)
 	mutex_init(&dock_station->hp_lock);
 	ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list);
 
-	/* initialize platform device stuff */
-	dock_station->dock_device =
-		platform_device_register_simple("dock",
-			dock_station_count, NULL, 0);
-	dock_device = dock_station->dock_device;
-	if (IS_ERR(dock_device)) {
-		ret = PTR_ERR(dock_device);
-		goto out;
-	}
 	platform_device_add_data(dock_device, &dock_station,
 		sizeof(struct dock_station *));