From: Ping Cheng <pinglinux@gmail.com>
Date: Wed, 20 May 2015 00:42:02 +0000 (-0700)
Subject: HID: wacom: fix an Oops caused by wacom_wac_finger_count_touches
X-Git-Tag: omap-for-v4.2/wakeirq-drivers-v2^2~2^2~77^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26ba61f871b4aa9958bcebffcbeb558094d75928;p=pandora-kernel.git

HID: wacom: fix an Oops caused by wacom_wac_finger_count_touches

We assumed all touch interfaces report touch data. But, Bamboo
and Intuos non-touch devices report express keys on touch
interface. We need to check touch_max before counting touches.

Reported-by: Tasos Sahanidis <tasos@tasossah.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

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