--- drivers/usb/core/usb.c

+++ drivers/usb/core/usb.c

@@ -191,9 +191,6 @@ static void usb_release_dev(struct devic

hcd = bus_to_hcd(udev->bus);

usb_destroy_configuration(udev);

- /* Root hubs aren't real devices, so don't free HCD resources */

- if (hcd->driver->free_dev && udev->parent)

- hcd->driver->free_dev(hcd, udev);

usb_put_hcd(hcd);

kfree(udev->product);

kfree(udev->manufacturer);