linux-kernel - Re: [PATCH v2] tools/bpf:Fix the wrong format specifier

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Message-ID: <cfb36a61-1f50-49c0-8e63-950728c9a0a0@kernel.org>
Date: Wed, 24 Jul 2024 10:05:29 +0100
From: Quentin Monnet <qmo@...nel.org>
To: Zhu Jun <zhujun2@...s.chinamobile.com>
Cc: ast@...nel.org, daniel@...earbox.net, martin.lau@...ux.dev,
 john.fastabend@...il.com, kpsingh@...nel.org, sdf@...ichev.me,
 haoluo@...gle.com, bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] tools/bpf:Fix the wrong format specifier

2024-07-24 01:52 UTC-0700 ~ Zhu Jun <zhujun2@...s.chinamobile.com>
> The format specifier of "unsigned int" in printf() should be "%u", not
> "%d".
> 
> Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
> ---
> Changes
> v2:modify commit info
> 
>  tools/bpf/bpftool/xlated_dumper.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/bpf/bpftool/xlated_dumper.c b/tools/bpf/bpftool/xlated_dumper.c
> index 567f56dfd9f1..3efa639434be 100644
> --- a/tools/bpf/bpftool/xlated_dumper.c
> +++ b/tools/bpf/bpftool/xlated_dumper.c
> @@ -349,7 +349,7 @@ void dump_xlated_plain(struct dump_data *dd, void *buf, unsigned int len,
>  
>  		double_insn = insn[i].code == (BPF_LD | BPF_IMM | BPF_DW);
>  
> -		printf("% 4d: ", i);
> +		printf("% 4u: ", i);


Please see feedback on v1 and address the warning.

pw-bot: changes-requested