linux-kernel - Re: [PATCH v2] checkpatch: Add a warning for log messages that don't end in a new line

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Message-ID: <alpine.DEB.2.20.1711270709390.2369@hadrien>
Date:   Mon, 27 Nov 2017 07:11:28 +0100 (CET)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Logan Gunthorpe <logang@...tatee.com>
cc:     Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH v2] checkpatch: Add a warning for log messages that don't
 end in a new line



On Sun, 26 Nov 2017, Logan Gunthorpe wrote:

>
>
> On 26/11/17 03:29 PM, Joe Perches wrote:
> > This proposal has a very high false positive rate.
>
> The only actual false positive you've pointed out is the one that is
> just incorrect in the wrong way (the author should have used a KERN_CONT
> but did not). I could easily do something similar to what Julia proposes
> and produce a different warning if the string ends in a space.

I don't have a different warning if the string ends in a space.  I have a
different warning when one possible control-flow path is fine and another
control-flow path is not.  The space thing relates to guessing whether
some other printing API function needs a newline or not.

julia

> But I
> don't see any bullet proof way for any script to deduce what the author
> actually meant.
>
> > Keep at it though.
> > Maybe something useful will be produced with more effort.
>
> Unless there's more actually constructive criticism I don't think I'll
> be getting any further with this.
>
> Logan
>