ACPI: Create symlinks in acpi_bind_one() under physical_node_lock

Put the creation of symlinks in acpi_bind_one() under the
physical_node_lock mutex of the given ACPI device object, because
that is part of the binding operation logically (those links are
already removed under that mutex too).

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>

drivers/acpi/glue.c

@@ -242,8 +242,6 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
 	list_add(&physical_node->node, physnode_list);
 	acpi_dev->physical_node_count++;
 
-	mutex_unlock(&acpi_dev->physical_node_lock);
-
 	if (!ACPI_HANDLE(dev))
 		ACPI_HANDLE_SET(dev, acpi_dev->handle);
 
@@ -253,6 +251,8 @@ int acpi_bind_one(struct device *dev, acpi_handle handle)
 	retval = sysfs_create_link(&dev->kobj, &acpi_dev->dev.kobj,
 		"firmware_node");
 
+	mutex_unlock(&acpi_dev->physical_node_lock);
+
 	if (acpi_dev->wakeup.flags.valid)
 		device_set_wakeup_capable(dev, true);