linux-kernel - Re: [PATCH bpf-next v2 2/4] selftests: bpf: Add helper to compare socket cookies

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Date:   Tue, 29 Sep 2020 08:48:27 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Martin KaFai Lau <kafai@...com>
Cc:     Lorenz Bauer <lmb@...udflare.com>, Shuah Khan <shuah@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        kernel-team <kernel-team@...udflare.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf-next v2 2/4] selftests: bpf: Add helper to compare
 socket cookies

On Mon, Sep 28, 2020 at 10:59 PM Martin KaFai Lau <kafai@...com> wrote:
> >
> > +static void compare_cookies(struct bpf_map *src, struct bpf_map *dst)
> > +{
> > +     __u32 i, max_entries = bpf_map__max_entries(src);
> > +     int err, duration, src_fd, dst_fd;
> This should have a compiler warning.  "duration" is not initialized.

There was a warning. I noticed it while applying and fixed it up.
Lorenz, please upgrade your compiler. This is not the first time such
warning has been missed.