linux-kernel - Re: [PATCH 1/1] integer overflow issue in 'appletouch' driver

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Date:	Mon, 09 Aug 2010 10:20:23 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Serge Belyshev <belyshev@...ni.sinp.msu.ru>,
	Vadim Zaliva <lord@...codile.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] integer overflow issue in 'appletouch' driver


> > My device is 05ac:020e "fountain", actually generates *signed* values,
> > thus the patch completely breaks it.
> 
> I think Ben might have the same issue. I guess we need per-touchpad
> functions to read the data.

Yup, I confirm, same deal. This patch completely breaks it on my
powerbook (same USB ID)

Should we revert the commit for now ?

Cheers,
Ben.


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