From: Johan Hovold <johan@kernel.org>
Date: Thu, 16 Mar 2017 18:35:12 +0000 (-0700)
Subject: Input: cm109 - validate number of endpoints before using them
X-Git-Tag: v3.2.91~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91b1397df10443bd9ccbc50fbe21fcb3c361d104;p=pandora-kernel.git

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: Ben Hutchings <ben@decadent.org.uk>
---

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