+ const char *name)
+{
+ struct usb_device *ret_dev = NULL;
++ struct usb_device *childdev = NULL;
+ int child;
+
+ dev_dbg(&dev->dev, "check for name %s ...\n", name);
+ ret_dev = usb_get_dev(dev);
+ goto exit;
+ }
-+
+ /* look through all of the children of this device */
-+ for (child = 0; child < dev->maxchild; ++child) {
-+ if (dev->children[child]) {
-+ usb_lock_device(dev->children[child]);
-+ ret_dev = match_device_name(dev->children[child], name);
-+ usb_unlock_device(dev->children[child]);
++ usb_hub_for_each_child(dev, child, childdev) {
++ if (childdev) {
++ usb_lock_device(childdev);
++ ret_dev = match_device_name(childdev, name);
++ usb_unlock_device(childdev);
+ if (ret_dev)
+ goto exit;
+ }