linux-kernel - Re: [PATCH 0/2] Fixes for dell-wmi

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Date:	Sun, 27 Dec 2015 14:07:47 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Gabriele Mazzotta <gabriele.mzt@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Darren Hart <dvhart@...radead.org>,
	Michał Kępień <kernel@...pniu.pl>,
	Andy Lutomirski <luto@...nel.org>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Fixes for dell-wmi

On Sunday 27 December 2015 13:59:57 Gabriele Mazzotta wrote:
> On 24/12/2015 22:18, Pali Rohár wrote:
> > This patch series adds check if Dell WMI descriptor structure is
> > valid and fixes processing WMI events on devices with WMI
> > interface version 0.
> > 
> > After testing, second patch is good candidate for backporting into
> > stable kernels, but problem is that it cannot be used without
> > first patch. So I let decision to other people.
> > 
> > Gabriele and Michał, this patch series should fix processing events
> > on yours Dell laptops (you have in DSDT defined version 0). Can
> > you test it?
> 
> Hi,
> 
> I tested the patches and all the function keys work, but I can see
> that there are some differences in the dmesg.
> 
> Here a before and after comparison.
> 
> The radio button seems to generate longer messages when compared to
> the others.

Hi! Thanks for testing. Can you please recompile driver with line 
#define DEBUG at beginning of dell-wmi.c file and send dmesg output 
again? I want to see processing buffer debug lines in dmesg. Here we 
should see that after this patch series garbage will not be parsed.

-- 
Pali Rohár
pali.rohar@...il.com

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