linux-kernel - Re: [PATCH net v4 1/4] selftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning

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Date:   Wed, 1 Feb 2023 09:55:42 -0500
From:   Willem de Bruijn <willemb@...gle.com>
To:     Andrei Gherzan <andrei.gherzan@...onical.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
        netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v4 1/4] selftests: net: udpgso_bench_rx: Fix 'used
 uninitialized' compiler warning

On Tue, Jan 31, 2023 at 7:18 PM Andrei Gherzan
<andrei.gherzan@...onical.com> wrote:
>
> This change fixes the following compiler warning:
>
> /usr/include/x86_64-linux-gnu/bits/error.h:40:5: warning: ‘gso_size’ may
> be used uninitialized [-Wmaybe-uninitialized]
>    40 |     __error_noreturn (__status, __errnum, __format,
>    __va_arg_pack ());
>          |
>          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>          udpgso_bench_rx.c: In function ‘main’:
>          udpgso_bench_rx.c:253:23: note: ‘gso_size’ was declared here
>            253 |         int ret, len, gso_size, budget = 256;
>
> Fixes: 3327a9c46352 ("selftests: add functionals test for UDP GRO")
> Signed-off-by: Andrei Gherzan <andrei.gherzan@...onical.com>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>