Re: [PATCH bpf-next] bpf: tcp: Fix unused function warnings

[Jakub Sitnicki]

On Thu, Mar 19, 2020 at 01:46 PM CET, YueHaibing wrote:
> If BPF_STREAM_PARSER is not set, gcc warns:
>
> net/ipv4/tcp_bpf.c:483:12: warning: 'tcp_bpf_sendpage' defined but not used [-Wunused-function]
> net/ipv4/tcp_bpf.c:395:12: warning: 'tcp_bpf_sendmsg' defined but not used [-Wunused-function]
> net/ipv4/tcp_bpf.c:13:13: warning: 'tcp_bpf_stream_read' defined but not used [-Wunused-function]
>
> Moves the unused functions into the #ifdef
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---

In addition to this fix, looks like tcp_bpf_recvmsg can be static and
also conditional on CONFIG_BPF_STREAM_PARSER.

Reviewed-by: Jakub Sitnicki <jakub@xxxxxxxxxxxxxx>