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Date:   Thu, 30 Apr 2020 01:15:27 +0200
From:   Daniel Borkmann <>
To:     Arnd Bergmann <>, Alexei Starovoitov <>,
        Andrii Nakryiko <>
Cc:     Martin KaFai Lau <>, Song Liu <>,
        Yonghong Song <>,,,
Subject: Re: [PATCH] bpf: fix unused variable warning

On 4/29/20 3:21 PM, Arnd Bergmann wrote:
> Hiding the only using of bpf_link_type_strs[] in an #ifdef causes
> an unused-variable warning:
> kernel/bpf/syscall.c:2280:20: error: 'bpf_link_type_strs' defined but not used [-Werror=unused-variable]
>   2280 | static const char *bpf_link_type_strs[] = {
> Move the definition into the same #ifdef.
> Fixes: f2e10bff16a0 ("bpf: Add support for BPF_OBJ_GET_INFO_BY_FD for bpf_link")
> Signed-off-by: Arnd Bergmann <>

Applied, thanks!

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