linux-kernel - Re: mceusb: sysfs: cannot create duplicate filename '/class/rc/rc0' (race condition between multiple RC

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Date:	Mon, 30 Mar 2015 22:26:49 +0200
From:	David Härdeman <david@...deman.nu>
To:	Stefan Lippers-Hollmann <s.l-h@....de>
Cc:	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	m.chehab@...sung.com, James Hogan <james.hogan@...tec.com>,
	Antti Seppälä <a.seppala@...il.com>,
	Tomas Melin <tomas.melin@....fi>
Subject: Re: mceusb: sysfs: cannot create duplicate filename '/class/rc/rc0'  (race condition between multiple RC_CORE devices)

On 2015-03-30 22:21, Stefan Lippers-Hollmann wrote:
> On 2015-03-30, David Härdeman wrote:
>> On 2015-03-30 17:30, Stefan Lippers-Hollmann wrote:
>> > This is a follow-up for:
>> > 	http://lkml.kernel.org/r/<201412181916.18051.s.L-H@....de>
>> > 	http://lkml.kernel.org/r/<201412302211.40801.s.L-H@....de>
>> 
>> I can't swear that it's the case but I'm guessing this might be fixed 
>> by
>> the patches I posted earlier (in particular the one that converted
>> rc-core to use the IDA infrastructure for keeping track of registered
>> minor device numbers).
> 
> Do you have a pointer to that patch (-queue) or a tree containing it?
> So far I've only found https://patchwork.linuxtv.org/patch/23370/
> with those keywords, respectively the thread at
> http://comments.gmane.org/gmane.linux.drivers.video-input-infrastructure/76514
> which seems to be partially applied, anything I could test (reproducing
> the problem takes its time, probably 4-10 weeks to be really sure, but
> I'd be happy to try or forward port the required parts).

Hi,

I can try providing you with an updated version of the patch when I have 
time...otherwise I think you've found all that can be found :)

//David

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