Re: [PATCH] HID: wacom: Don't add ghost interface as shared data

From	Jiri Kosina <jikos@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] HID: wacom: Don't add ghost interface as shared data
Date	2017-03-30 11:40 +0200
Message-ID	<tqEIF-4h2-17@gated-at.bofh.it> (permalink)
References	<tqpJE-1Fu-17@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 29 Mar 2017, Aaron Armstrong Skomra wrote:

> A previous commit (below) adds a check for already probed interfaces to
> Wacom's matching heuristic. Unfortunately this causes the Bamboo Pen
> (CTL-460) to match itself to its 'ghost' touch interface. After
> subsequent changes to the driver this match to the ghost causes the
> kernel to crash. This patch avoids calling wacom_add_shared_data()
> for the BAMBOO_PEN's ghost touch interface.
> 
> Fixes: 41372d5d40e7 ("HID: wacom: Augment 'oVid' and 'oPid' with heuristics for HID_GENERIC")
> Cc: stable <stable@vger.kernel.org>     # 4.9
> Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@wacom.com>

Applied to for-4.11/upstream-fixes.

-- 
Jiri Kosina
SUSE Labs

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[PATCH] HID: wacom: Don't add ghost interface as shared data Aaron Armstrong Skomra <skomra@gmail.com> - 2017-03-29 19:40 +0200
  Re: [PATCH] HID: wacom: Don't add ghost interface as shared data Jiri Kosina <jikos@kernel.org> - 2017-03-30 11:40 +0200

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