netdev - Re: [PATCH v3 bpf-next 2/3] bpf: implement CAP

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Date:   Fri, 6 Sep 2019 10:22:51 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     Alexei Starovoitov <ast@...nel.org>, kbuild-all@...org,
        "David S. Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...capital.net>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Kernel Team <kernel-team@...com>,
        Linux API <linux-api@...r.kernel.org>
Subject: Re: [PATCH v3 bpf-next 2/3] bpf: implement CAP_BPF

On Fri, Sep 6, 2019 at 9:21 AM kbuild test robot <lkp@...el.com> wrote:
>
> Hi Alexei,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on bpf-next/master]
>
> url:    https://github.com/0day-ci/linux/commits/Alexei-Starovoitov/capability-introduce-CAP_BPF-and-CAP_TRACING/20190906-215814
> base:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/bpf/bpf-next.git master
> config: x86_64-allmodconfig (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
>
> All warnings (new ones prefixed by >>):
>
>    kernel//bpf/syscall.c: In function 'bpf_prog_test_run':
> >> kernel//bpf/syscall.c:2087:6: warning: the address of 'capable_bpf_net_admin' will always evaluate as 'true' [-Waddress]
>      if (!capable_bpf_net_admin)
>          ^

argh. fixing and rebasing.