linux-kernel - Re: Regression 2.6.31: ioctl(EVIOCGNAME) no longer returns device name

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Message-ID: <4A637EB9.5040004@rtr.ca>
Date:	Sun, 19 Jul 2009 16:14:49 -0400
From:	Mark Lord <lkml@....ca>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Jean Delvare <khali@...ux-fr.org>, Andy Walls <awalls@...ix.net>,
	linux-media@...r.kernel.org, Jarod Wilson <jarod@...hat.com>,
	Mike Isely <isely@...ox.com>,
	Hans Verkuil <hverkuil@...all.nl>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Janne Grunau <j@...nau.net>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-input@...r.kernel.org
Subject: Re: Regression 2.6.31:  ioctl(EVIOCGNAME) no longer returns device
 name

Dmitry Torokhov wrote:
> On Sun, Jul 19, 2009 at 03:20:50PM -0400, Mark Lord wrote:
>> Mark Lord wrote:
>>> (resending.. somebody trimmed linux-kernel from the CC: earlier)
>>>
>>> Jean Delvare wrote:
>>>> On Sun, 19 Jul 2009 10:38:37 -0400, Mark Lord wrote:
>>>>> I'm debugging various other b0rked things in 2.6.31 here right now,
>>>>> so I had a closer look at the Hauppauge I/R remote issue.
>>>>>
>>>>> The ir_kbd_i2c driver *does* still find it after all.
>>>>> But the difference is that the output from 'lsinput' has changed
>>>>> and no longer says "Hauppauge".  Which prevents the application from
>>>>> finding the remote control in the same way as before.
>>>> OK, thanks for the investigation.
>>>>
>>>>> I'll hack the application code here now to use the new output,
>>>>> but I wonder what the the thousands of other users will do when
>>>>> they first try 2.6.31 after release ?
>> ..
>>
>> Mmm.. appears to be a systemwide thing, not just for the i2c stuff.
>> *All* of the input devices now no longer show their real names
>> when queried with ioctl(EVIOCGNAME).  This is a regression from 2.6.30.
>> Note that the real names *are* still stored somewhere, because they
>> do still show up correctly under /sys/
>>
> 
> Should be fixed by f936601471d1454dacbd3b2a961fd4d883090aeb in the
> for-linus branch of my tree.
..

Peachy.  Push it, or post it here and I can re-test with it.

(does anyone else find it spooky that a google search for the
 above commit id actually finds Dmitry's email quoted above ?
 Mere seconds after he posted it for the very first time ??)
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