From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Fri, 7 Nov 2014 16:48:15 +0000 (-0800)
Subject: USB: cdc-acm: check for valid interfaces
X-Git-Tag: v3.2.67~134
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3decfa6eefa28eed8521e9ee8a468e8e644255c1;p=pandora-kernel.git

USB: cdc-acm: check for valid interfaces

commit 403dff4e2c94f275e24fd85f40b2732ffec268a1 upstream.

We need to check that we have both a valid data and control inteface for both
types of headers (union and not union.)

References: https://bugzilla.kernel.org/show_bug.cgi?id=83551
Reported-by: Simon Schubert <2+kernel@0x2c.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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