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Subject: Re: [PATCH] bpf: declare bpf_sk_storage_get_cg_sock_proto
To:     Ben Dooks <ben.dooks@codethink.co.uk>, netdev@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, davem@davemloft.net,
        edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
        sdf@google.com
References: <20231122081317.145355-1-ben.dooks@codethink.co.uk>
From:   Daniel Borkmann <daniel@iogearbox.net>
Message-ID: <c9628533-52c8-b497-23ec-e373768a6243@iogearbox.net>
Date:   Mon, 27 Nov 2023 15:20:32 +0100
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On 11/22/23 9:13 AM, Ben Dooks wrote:
> The bpf_sk_storage_get_cg_sock_proto struct is exported from
> net/core/bpf_sk_storage.c but is not decalred in any header

nit: typo

> file. Fix the following sparse warning by adding it to the
> include/net/bpf_sk_storage.h header:
> 
> net/core/bpf_sk_storage.c:334:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static

Please add Fixes tag and Cc author (sdf@google.com) as well as bpf@vger.kernel.org:

Fixes: f7c6cb1d9728 ("bpf: Expose socket storage to BPF_PROG_TYPE_CGROUP_SOCK")

> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> ---
>   include/net/bpf_sk_storage.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/include/net/bpf_sk_storage.h b/include/net/bpf_sk_storage.h
> index 2926f1f00d65..043155810822 100644
> --- a/include/net/bpf_sk_storage.h
> +++ b/include/net/bpf_sk_storage.h
> @@ -22,6 +22,7 @@ extern const struct bpf_func_proto bpf_sk_storage_get_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_delete_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto;
> +extern const struct bpf_func_proto bpf_sk_storage_get_cg_sock_proto;
>   
>   struct bpf_local_storage_elem;
>   struct bpf_sk_storage_diag;
>