Re: [PATCH] scripts/kernel-doc: restore warning for Excess struct/union

From: Randy Dunlap
Date: Thu Dec 14 2023 - 02:05:46 EST


(correcting Mauro's email address)


On 12/13/23 23:02, Randy Dunlap wrote:
> The warning for Excess struct or union member description was
> removed when the $nested parameter of check_sections() was removed.
> This causes some kernel-doc notation warnings to be missed.
>
> Recently the kernel test robot somehow reported an Excess member. The
> code in kernel-doc has not issued that warning since kernel v4.16, so I
> don't know how the robot did it. (See the Link for the report.)
>
> drivers/net/wireless/intel/iwlwifi/fw/dbg.c:86: warning: Excess struct/union/enum/typedef member 'trans_len' description in 'iwl_fw_dump_ptrs'
>
> I patched that warning away even though I could not reproduce the
> warning from kernel-doc. The warning should be issued for extraneous
> struct member or union member description, so restore it.
>
> Fixes: 1081de2d2f91 ("scripts: kernel-doc: get rid of $nested parameter")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Link: https://lore.kernel.org/all/202312060810.QT9zourt-lkp@xxxxxxxxx/
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> Cc: Jonathan Corbet <corbet@xxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> ---
> scripts/kernel-doc | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff -- a/scripts/kernel-doc b/scripts/kernel-doc
> --- a/scripts/kernel-doc
> +++ b/scripts/kernel-doc
> @@ -1659,6 +1659,13 @@ sub check_sections($$$$$) {
> "'$sects[$sx]' " .
> "description in '$decl_name'\n");
> }
> + elsif (($decl_type eq "struct") or
> + ($decl_type eq "union")) {
> + emit_warning("${file}:$.",
> + "Excess $decl_type member " .
> + "'$sects[$sx]' " .
> + "description in '$decl_name'\n");
> + }
> }
> }
> }

--
#Randy
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