linux-kernel - Re: [PATCH] perf: fix incorrect return value for else case

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Date:	Mon, 21 Dec 2009 16:23:17 +0100
From:	John Kacur <jkacur@...hat.com>
To:	Wenji Huang <wenji.huang@...cle.com>
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, mingo@...e.hu,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH] perf: fix incorrect return value for else case

On Mon, Dec 21, 2009 at 10:22 AM, Wenji Huang <wenji.huang@...cle.com> wrote:
> Return original cmd instead of adding prefix.
>
> Signed-off-by: Wenji Huang <wenji.huang@...cle.com>
> ---
>  tools/perf/builtin-help.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
> index 9f810b1..ca77df5 100644
> --- a/tools/perf/builtin-help.c
> +++ b/tools/perf/builtin-help.c
> @@ -317,7 +317,7 @@ static const char *cmd_to_page(const char *perf_cmd)
>        else if (is_perf_command(perf_cmd))
>                return prepend("perf-", perf_cmd);
>        else
> -               return prepend("perf-", perf_cmd);
> +               return perf_cmd;
>  }
>
>  static void setup_man_path(void)
> --
> 1.5.6

Sorry - I believe we should NAK this patch.
It would turn the following

./perf nonsuchcmd --help
No manual entry for perf-nonsuchcmd

into

./perf nonsuchcmd --help
No manual entry for nonsuchcmd

The former is correct, the name of the man page includes the prefix "perf-"

NAK

(cc-ing Frederic in case he sees it differently)

Thank You

John Kacur
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