Re: [BUG] Linux 3.0 commit 3627924acf70a broke include/mtd/ubi_user.h.

[Rob Landley <rob@landley.net>]

On 08/14/2011 01:03 PM, Stefan Richter wrote:
> On Aug 14 Rob Landley wrote:
>> "make headers_install" copies include/mtd/ubi_user.h to userspace, where
>> things like busybox link against it.  With 3.0, building defconfig
>> busybox gets this error:
>>
>> In file included from miscutils/ubi_tools.c:63:
>> /home/landley/aboriginal/aboriginal/build/simple-cross-compiler-i686/bin/../include/mtd/ubi-user.h:329:
>> error: conflicting types for '__packed'
>> /home/landley/aboriginal/aboriginal/build/simple-cross-compiler-i686/bin/../include/mtd/ubi-user.h:313:
>> error: previous declaration of '__packed' was here
>>
>> This is due to the Linux 3.0 commit in the title:
>>
>>     UBI: use __packed instead of __attribute__((packed))
>>
>> This relies on __packed being defined in:
>>
>>   include/linux/compiler-gcc.h:
>>   #define __packed			__attribute__((packed))
>>
>> Which is not exported to userspace.
>>
>> I.E. this "cleanup" broke the ability for userspace to use this header,
>> even though the header is exported to userspace by headers_install.
> 
> As far as I can tell, the __packed or __attribute__((packed))
> qualifications are superfluous in include/mtd/ubi-user.h anyway.

And the email address he signed-off-by the broken commit from bounced,
trying again with the one out of MAINTAINERS.

Rob