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Date:   Tue, 5 May 2020 18:13:54 +0000
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Song Liu <songliubraving@...com>,
        Martin KaFai Lau <kafai@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH] sysctl: fix unused function warning

On Tue, May 05, 2020 at 04:07:12PM +0200, Arnd Bergmann wrote:
> The newly added bpf_stats_handler function has the wrong #ifdef
> check around it, leading to an unused-function warning when
> CONFIG_SYSCTL is disabled:
> 
> kernel/sysctl.c:205:12: error: unused function 'bpf_stats_handler' [-Werror,-Wunused-function]
> static int bpf_stats_handler(struct ctl_table *table, int write,
> 
> Fix the check to match the reference.
> 
> Fixes: d46edd671a14 ("bpf: Sharing bpf runtime stats with BPF_ENABLE_STATS")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Luis Chamberlain <mcgrof@...nel.org>

  Luis

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