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

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

@@ -1508,6 +1508,15 @@ static inline void usb_stop_pm(struct us

#endif

+static void hub_free_dev(struct usb_device *udev)

+{

+ struct usb_hcd *hcd = bus_to_hcd(udev->bus);

+

+ /* 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_disconnect - disconnect a device (usbcore-internal)

* @pdev: pointer to device being disconnected

@@ -1578,6 +1587,8 @@ void usb_disconnect(struct usb_device **

usb_stop_pm(udev);

+ hub_free_dev(udev);

+

put_device(&udev->dev);

}

@@ -3130,6 +3141,7 @@ loop_disable:

loop:

usb_ep0_reinit(udev);

release_address(udev);

+ hub_free_dev(udev);

usb_put_dev(udev);

if ((status == -ENOTCONN) || (status == -ENOTSUPP))

break;