tree b07437c7ee3f03933b5c0590307d0d6e6f5111bb
parent 9f6a8dca9874ca923dbb253a96e9f4a537643b9d
author Johan Hovold <johan@kernel.org> 1489689312 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1490859683 +0200

Input: cm109 - validate number of endpoints before using them

commit ac2ee9ba953afe88f7a673e1c0c839227b1d7891 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: c04148f915e5 ("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>