commitac2ee9ba95upstream. Make sure to check the number of endpoints to avoid dereferencing a NULL-pointer should a malicious device lack endpoints. Fixes:c04148f915("Input: add driver for USB VoIP phones with CM109...") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>