linux-kernel - Re: linux-next: ubi tree build failure

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Message-ID: <4A2672A8.8020809@nokia.com>
Date:	Wed, 03 Jun 2009 15:55:04 +0300
From:	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
CC:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dmitry Pervushin <dpervushin@...eddedalley.com>
Subject: Re: linux-next: ubi tree build failure

Artem Bityutskiy wrote:
> Stephen Rothwell wrote:
>> Today's linux-next build (powerpc ppc44x_defconfig) failed like this:
>>
>> drivers/mtd/ubi/gluebi.c: In function 'gluebi_get_device':
>> drivers/mtd/ubi/gluebi.c:126: error: implicit declaration of function 'IS_ERR'
>> drivers/mtd/ubi/gluebi.c:129: error: implicit declaration of function 'PTR_ERR'
> 
> It is strange that I do not see these errors on my x86_86
> 
>> Introduced by commit ec5c514efde253de7f28668c88bbae26d2a293de ("UBI: make
>> gluebi a separate module") from the ubi tree.  I guess the conversion
>> managed to remove an implicit include of linux/err.h.
>>
>> I have reverted that commit for today.  I then needed to also revert
>> commit 518ceef0c9ca97023e45ae46aedaefa240c690a6 ("UBI: remove built-in
>> gluebi") to make it build again.
> 
> Hmm, this means bisection problems, which I'd also like to fix.
> But this commit builds just fine for me as well. Would be nice
> to see what are the errors.
> 
> Any suggestions what I could do to reproduce the build issues?
> I'll try at least now to build this on x86 (32-bit). 

Did not see compile error on x86 as well. Anyway, I have added more
includes which seem to be missed. Hopefully this problem is fixed
now. Thanks!

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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