linux-kernel - Re: [PATCH] HID: wacom: Fix invalid power_supply

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Date:	Mon, 6 Feb 2012 17:44:17 -0000
From:	przemo@...szt.eu
To:	"Jeremy Fitzhardinge" <jeremy@...p.org>
Cc:	"Jiri Kosina" <jkosina@...e.cz>,
	"Przemo Firszt" <przemo@...szt.eu>, chris@...bagwell.com,
	pinglinux@...il.com, linuxwacom-devel@...ts.sourceforge.net,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: wacom: Fix invalid power_supply_powers calls

> On 02/06/2012 04:42 AM, Jiri Kosina wrote:
>> On Mon, 6 Feb 2012, przemo@...szt.eu wrote:
>>
>>>> Hmm, seems valid. How did you notice? Have you seen crashes because of
>>>> wild pointers?
>>> Hi Jiri,
>>> Yes, the driver was unusable - 100% crashes during connection.
>> Okay, I thought that'd be the case.
>
> Very sorry about that.  I don't have a device to test with, so I should
> have reviewed the code extra carefully.
>
> Does the same bug apply to the Wii changes, which were of the same form?
>
Hi Jeremy,
The wii code looks the same, so probably it's affected as well. Can you
make a patch?

power_supply_powers call in wiimote driver:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=drivers/hid/hid-wiimote-core.c#l1229

regards,
Przemo Firszt

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