linux-kernel - Re: [PATCH 2/2] checkpatch: kconfig: add missing types to regex

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Date:   Fri, 25 Dec 2020 09:42:12 -0800
From:   Joe Perches <coupons@...ches.com>
To:     Nicolai Fischer <nicolai.fischer@....de>,
        linux-kernel@...r.kernel.org
Cc:     apw@...onical.com, johannes.czekay@....de,
        linux-kernel@...cs.fau.de, akpm@...ux-foundation.org
Subject: Re: [PATCH 2/2] checkpatch: kconfig: add missing types to regex

On Fri, 2020-12-25 at 18:27 +0100, Nicolai Fischer wrote:
> On 12/21/20 6:17 PM, Joe Perches wrote:
[]
> > The message you used:
> > +                               WARN("CONFIG_DESCRIPTION",
> > +                                       "help text is not indented 2 spaces more than the help keyword\n" . $herecurr);
> > 
> > is IMO a bit oddly phrased and could/should test only
> > the first line after the help keyword and show the help
> > line using $hereprev.
> > 
> > The problem with $herecurr is, that it always contains the first line of the Kconfig option.
> The loop which actually determines if the warning is to be displayed, leaves $herecurr and likewise $hereprev unaffected.
> 
> So printing $hereprev would unfortunately not be any more helpful than $herecurr.

> Because $herecurr and $hereprev also contain the line number, among other things, I am not sure what would be the best way
> to address this.

There is a mechanism to create an output message block: get_stat_real
that could be used.