netdev - Re: [PATCH bpf-next 1/7] tools: bpftool: silence 'missing initializer' warnings

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Date:   Thu, 8 Mar 2018 23:38:12 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Benc <jbenc@...hat.com>
Cc:     netdev@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH bpf-next 1/7] tools: bpftool: silence 'missing
 initializer' warnings

On Thu,  8 Mar 2018 23:00:35 +0100, Jiri Benc wrote:
> When building bpf tool, gcc emits piles of warnings:
> 
> prog.c: In function ‘prog_fd_by_tag’:
> prog.c:101:9: warning: missing initializer for field ‘type’ of ‘struct bpf_prog_info’ [-Wmissing-field-initializers]
>   struct bpf_prog_info info = {};
>          ^
> In file included from /home/storage/jbenc/git/net-next/tools/lib/bpf/bpf.h:26:0,
>                  from prog.c:47:
> /home/storage/jbenc/git/net-next/tools/include/uapi/linux/bpf.h:925:8: note: ‘type’ declared here
>   __u32 type;
>         ^
> 
> As these warnings are not useful, switch them off.
> 
> Signed-off-by: Jiri Benc <jbenc@...hat.com>

FWIW I couldn't reproduce this one.  Out of curiosity what GCC did you
use?