linux-kernel - Re: ima changes to shmem breaks !CONFIG

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Message-ID: <4990A6A2.90107@oracle.com>
Date:	Mon, 09 Feb 2009 13:56:50 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Mike Frysinger <vapier.adi@...il.com>
CC:	Randy Dunlap <randy.dunlap@...cle.com>,
	James Morris <jmorris@...ei.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Serge Hallyn <serue@...ibm.com>
Subject: Re: ima changes to shmem breaks !CONFIG_SHMEM

Mike Frysinger wrote:
> On Mon, Feb 9, 2009 at 16:49, Randy Dunlap wrote:
>> Mike Frysinger wrote:
>>> On Mon, Feb 9, 2009 at 16:23, James Morris wrote:
>>>> On Mon, 9 Feb 2009, Mike Frysinger wrote:
>>>>> commit 1df9f0a73178718969ae47d813b8e7aab2cf073c broke default building
>>>>> for Blackfin systems:
>>>>>   CC      mm/shmem.o
>>>>> mm/shmem.c: In function 'shmem_zero_setup':
>>>>> mm/shmem.c:2670: error: implicit declaration of function 'ima_shm_check'
>>>>> make[1]: *** [mm/shmem.o] Error 1
>>>>>
>>>>> that's because the ima.h include was added behind the CONFIG_SHMEM
>>>>> markings rather than everywhere, just like the function is used.
>>>> Does this seem like the correct fix?
>>> it converts the build error to a build warning:
>>>   CC      mm/shmem.o
>>> In file included from mm/shmem.c:32:
>>> include/linux/ima.h:25: warning: 'struct linux_binprm' declared inside
>>> parameter list
>>> include/linux/ima.h:25: warning: its scope is only this definition or
>>> declaration, which is probably not what you want
>> Add to the other patch:
>>
>> --- linux-next-20090209.orig/include/linux/ima.h
>> +++ linux-next-20090209/include/linux/ima.h
>> @@ -8,6 +8,7 @@
>>  */
>>
>>  #include <linux/fs.h>
>> +struct linux_binprm;
>>
>>  #ifndef _LINUX_IMA_H
>>  #define _LINUX_IMA_H
>>
>>
>>
>> and it builds for me.
> 
> yes, it builds w/out warnings now for me too.  any reason those are
> outside of _LINUX_IMA_H ?  looks like they should both be inside of
> that.

Agreed, that change is also good.


Thanks.
-- 
~Randy
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