usb-mtp: free objects on a mtp reset On a reset, call usb_mtp_object_free on all objects and their children Signed-off-by: Bandan Das <bsd@redhat.com> Message-id: 1448314625-3855-3-git-send-email-bsd@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>