Input: yealink - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:37:01 +0000 (11:37 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 16 Mar 2017 20:56:52 +0000 (13:56 -0700)
commit5cc4a1a9f5c179795c8a1f2b0f4361829d6a070e
treedfcd2778ef9438b8533d646674fea60aa9a7c765
parent1916d319271664241b7aa0cd2b05e32bdb310ce9
Input: yealink - validate number of endpoints before using them

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

Fixes: aca951a22a1d ("[PATCH] input-driver-yealink-P1K-usb-phone")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable@vger.kernel.org # 2.6.14
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/yealink.c