linux-kernel - Re: [PATCH] selftests/bpf: Return true/false (not 1/0) from bool functions

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Message-ID: <7af611e7-88dd-9525-dccc-92bda4d1fb8d@linuxfoundation.org>
Date:   Fri, 1 Apr 2022 09:58:10 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Haowen Bai <baihaowen@...zu.com>, Shuah Khan <shuah@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Cc:     linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] selftests/bpf: Return true/false (not 1/0) from bool
 functions

On 3/31/22 8:15 PM, Haowen Bai wrote:
> Return boolean values ("true" or "false") instead of 1 or 0 from bool
> functions.  This fixes the following warnings from coccicheck:
> 
> ./tools/testing/selftests/bpf/progs/test_xdp_noinline.c:567:9-10: WARNING:
> return of 0/1 in function 'get_packet_dst' with return type bool
> ./tools/testing/selftests/bpf/progs/test_l4lb_noinline.c:221:9-10: WARNING:
> return of 0/1 in function 'get_packet_dst' with return type bool
> 

Thank you for including details on how the problem was found.

> Signed-off-by: Haowen Bai <baihaowen@...zu.com>
> ---

Reviewed-by: Shuah Khan <skhan@...uxfoundation.org>

thanks,
-- Shuah