netdev - Re: [PATCH bpf-next] tools: bpftool: add missing bpf_prog

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Date:   Wed, 19 Dec 2018 14:54:27 -0800
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        kafai@...com, jakub.kicinski@...ronome.com,
        quentin.monnet@...ronome.com
Subject: Re: [PATCH bpf-next] tools: bpftool: add missing bpf_prog_linfo
 forward declaration

On Wed, Dec 19, 2018 at 2:51 PM Stanislav Fomichev <sdf@...gle.com> wrote:
>
> When building bpftool without HAVE_LIBBFD_SUPPORT I see the following
> warnings:
> main.h:164:23: warning: ‘struct bpf_prog_linfo’ declared inside
> parameter list will not be visible outside of this definition or
> declaration
>           const struct bpf_prog_linfo *prog_linfo,
>                        ^~~~~~~~~~~~~~
>
> Move bpf_prog_linfo around so both HAVE_LIBBFD_SUPPORT and
> !HAVE_LIBBFD_SUPPORT see it.
>
> Fixes: b053b439b72ad152 ("bpf: libbpf: bpftool: Print bpf_line_info
> during prog dump")
>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
> ---
>  tools/bpf/bpftool/main.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
> index d2beb88f0e2e..9487345b04a7 100644
> --- a/tools/bpf/bpftool/main.h
> +++ b/tools/bpf/bpftool/main.h
> @@ -147,8 +147,8 @@ int prog_parse_fd(int *argc, char ***argv);
>  int map_parse_fd(int *argc, char ***argv);
>  int map_parse_fd_and_info(int *argc, char ***argv, void *info, __u32 *info_len);
>
> -#ifdef HAVE_LIBBFD_SUPPORT
>  struct bpf_prog_linfo;
> +#ifdef HAVE_LIBBFD_SUPPORT
>  void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes,
>                        const char *arch, const char *disassembler_options,
>                        const struct btf *btf,
> --
> 2.20.0.405.gbc1bbc6f85-goog
>
Looks like its fixed already, please ignore!