Re: [PATCH v4] tools/bpf: Fix the wrong format specifier

[Markus Elfring]

> The format specifier of "unsigned int" in printf() should be "%u", not
> "%d".

* Please improve the change description with imperative wordings.
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10#n94

* Would you like to add any tags (like “Fixes” and “Cc”) accordingly?
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10#n145


…
> ---
> Changes:
…
v4:
Thanks! But unsigned seems relevant here, …

Please adjust the representation of information from a patch review by Quentin Monnet.
https://lore.kernel.org/linux-kernel/2d6875dd-6050-4f57-9a6d-9168634aa6c4@xxxxxxxxxx/
https://lkml.org/lkml/2024/7/24/378


…
> +++ 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);
>  		print_bpf_insn(&cbs, insn + i, true);
…

How do you think about to care more also for the return value from such a function call?
https://wiki.sei.cmu.edu/confluence/display/c/ERR33-C.+Detect+and+handle+standard+library+errors

Regards,
Markus