linux-kernel - Re: [PATCH v2] USB: HID: Fix fields from pen report ID being interpreted for multitouch.

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Message-ID: <alpine.LNX.2.00.1507081130160.10183@pobox.suse.cz>
Date:	Wed, 8 Jul 2015 11:30:38 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.com>
To:	Brent Adam <brentadamdev@...il.com>
cc:	benjamin.tissoires@...il.com, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, Brent Adam <brentadam@...rttech.com>
Subject: Re: [PATCH v2] USB: HID: Fix fields from pen report ID being
 interpreted for multitouch.

On Fri, 19 Jun 2015, Brent Adam wrote:

> Fields like HID_DG_CONTACTCOUNT are outside of the physical collection,
> but within the application collection and report ID.  Make sure to catch
> those fields that are not part of the mt_report_id and return 0 so they
> can be processed with the pen.  Otherwise, the wrong HID_DG_CONTACTCOUNT
> will be applied to cc_index and result in dereferencing a null pointer in
> mt_touch_report.
> 
> Signed-off-by: Brent Adam <brentadam@...rttech.com>

I am applying this to for-4.2/upstream-fixes. Thanks,

-- 
Jiri Kosina
SUSE Labs
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