linux-kernel - Re: [v2] powerpc/64: Fix build failure with GCC 8.1

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Date:   Tue,  5 Jun 2018 00:11:11 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [v2] powerpc/64: Fix build failure with GCC 8.1

On Tue, 2018-05-29 at 06:03:53 UTC, Christophe Leroy wrote:
> CC      arch/powerpc/kernel/nvram_64.o
> arch/powerpc/kernel/nvram_64.c: In function 'nvram_create_partition':
> arch/powerpc/kernel/nvram_64.c:1042:2: error: 'strncpy' specified bound 12 equals destination size [-Werror=stringop-truncation]
>   strncpy(new_part->header.name, name, 12);
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
>   CC      arch/powerpc/kernel/trace/ftrace.o
> In function 'make_field',
>     inlined from 'ps3_repository_read_boot_dat_address' at arch/powerpc/platforms/ps3/repository.c:900:9:
> arch/powerpc/platforms/ps3/repository.c:106:2: error: 'strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Werror=stringop-truncation]
>   strncpy((char *)&n, text, 8);
>   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/c95998811807d897ca112ea62d6671

cheers