linux-kernel - Re: [PATCH v6,bpf-next] samples/bpf: check detach prog exist or not in xdp

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Date:   Fri, 10 Jun 2022 22:34:20 +0200
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Zhengchao Shao <shaozhengchao@...wei.com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        ast@...nel.org, daniel@...earbox.net, davem@...emloft.net,
        kuba@...nel.org, hawk@...nel.org, john.fastabend@...il.com,
        andrii@...nel.org, kafai@...com, songliubraving@...com, yhs@...com,
        kpsingh@...nel.org
Cc:     weiyongjun1@...wei.com, shaozhengchao@...wei.com,
        yuehaibing@...wei.com
Subject: Re: [PATCH v6,bpf-next] samples/bpf: check detach prog exist or not
 in xdp_fwd

Zhengchao Shao <shaozhengchao@...wei.com> writes:

> Before detach the prog, we should check detach prog exist or not.
>
> Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>

LGTM!

Reviewed-by: Toke Høiland-Jørgensen <toke@...hat.com>