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Re: [PATCH] elf_fdpic: fix unused variable warning

On Thu, Oct 12, 2017 at 05:31:46PM +0200, Arnd Bergmann wrote:
> The elf_fdpic code shows a harmless warning when built with MMU disabled,
> I ran into this now that fdpic is available on ARM randconfig builds
> since commit 50b2b2e691cd ("ARM: add ELF_FDPIC support").
> fs/binfmt_elf_fdpic.c: In function 'elf_fdpic_dump_segments':
> fs/binfmt_elf_fdpic.c:1501:17: error: unused variable 'addr' [-Werror=unused-variable]
> This adds another #ifdef around the variable declaration to shut up
> the warning.
> Fixes: e6c1baa9b562 ("convert the rest of binfmt_elf_fdpic to dump_emit()")
> Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>