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Message-ID: <z3gp6rcrlotwjwux7chza4vmbgv747v5jlr4xhuaad3y2yofsf@jjiju6zltbmh>
Date:   Tue, 1 Aug 2023 09:20:12 -0600
From:   Daniel Xu <dxu@...uu.xyz>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>, Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH] netfilter: bpf_link: avoid unused-function warning

Hi Arnd,

On Tue, Aug 01, 2023 at 05:02:41PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The newly added function is unused in some random configurations:
> 
> net/netfilter/nf_bpf_link.c:32:1: error: 'get_proto_defrag_hook' defined but not used [-Werror=unused-function]
>    32 | get_proto_defrag_hook(struct bpf_nf_link *link,
>       | ^~~~~~~~~~~~~~~~~~~~~
> 

This was fixed in 81584c23f249 ("netfilter: bpf: Only define get_proto_defrag_hook() if necessary").

Thanks,
Daniel

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