linux-kernel - Re: [PATCH] net/ipv4/tcp_bpf: Delete an unnecessary check before the function call “consume

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Date:   Thu, 22 Aug 2019 14:12:19 -0700
From:   Song Liu <liu.song.a23@...il.com>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Hideaki Yoshifuji <yoshfuji@...ux-ipv6.org>,
        John Fastabend <john.fastabend@...il.com>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] net/ipv4/tcp_bpf: Delete an unnecessary check before the function call “consume_skb”

On Thu, Aug 22, 2019 at 10:19 AM Markus Elfring <Markus.Elfring@....de> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Thu, 22 Aug 2019 18:20:42 +0200
>
> The consume_skb() function performs also input parameter validation.
> Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Acked-by: Song Liu <songliubraving@...com>