netdev - Re: [PATCH bpf-next v2 4/6] libbpf: Use pr_warn() when printing netlink errors

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Message-ID: <CAEf4BzZOwFf1Ht3fr7_v9VfhQgesko7guPwPhDAJ+AbRduWfOQ@mail.gmail.com>
Date:   Fri, 8 Nov 2019 14:52:06 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next v2 4/6] libbpf: Use pr_warn() when printing
 netlink errors

On Fri, Nov 8, 2019 at 1:33 PM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>
> From: Toke Høiland-Jørgensen <toke@...hat.com>
>
> The netlink functions were using fprintf(stderr, ) directly to print out
> error messages, instead of going through the usual logging macros. This
> makes it impossible for the calling application to silence or redirect
> those error messages. Fix this by switching to pr_warn() in nlattr.c and
> netlink.c.
>
> Acked-by: Song Liu <songliubraving@...com>
> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/lib/bpf/netlink.c |    3 ++-
>  tools/lib/bpf/nlattr.c  |   10 +++++-----
>  2 files changed, 7 insertions(+), 6 deletions(-)
>

[...]