linux-kernel - Re: linux-next: build failure after merge of the final tree (v4l-dvb tree related)

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Date:	Thu, 21 Oct 2010 08:53:45 -0200
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Palash Bandyopadhyay <palash.bandyopadhyay@...exant.com>,
	Devin Heitmueller <dheitmueller@...ppauge.com>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: linux-next: build failure after merge of the final tree (v4l-dvb
 tree related)

Hi Stephen,

Em 19-10-2010 05:07, Stephen Rothwell escreveu:
> Hi Mauro,
> 
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/media/video/cx231xx/cx231xx-417.c: In function 'cx231xx_load_firmware':
> drivers/media/video/cx231xx/cx231xx-417.c:943: error: implicit declaration of function 'vmalloc'
> drivers/media/video/cx231xx/cx231xx-417.c:943: warning: cast to pointer from integer of different size
> drivers/media/video/cx231xx/cx231xx-417.c:950: warning: cast to pointer from integer of different size
> drivers/media/video/cx231xx/cx231xx-417.c:1039: error: implicit declaration of function 'vfree'
> 
> Caused by commit e0bb3704be9decb10985b0886031e76a228b5f32 ("[media]
> cx231xx: Added support for Carraera, Shelby, RDx_253S and VIDEO_GRABBER").
> 
> 
> I added the following patch for today:

Thanks, I'm adding it to my tree. It seems that some header conditionally includes vmalloc.h or slab.h.
At least, on my builds here with i386 and allyesconfig, no build errors appeared.

> Also, I don't think Arnd is going to like the new BKL usage also
> introduced by the commit.  ;-)

Yeah. Well, v4l is already on his list of BKL troubles. We're already addressing those
issues. We should have a BKL-free version of cx231xx-417.c for 2.6.38.

Cheers,
Mauro.
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