Re: Trailing periods in kernel messages

From: Andy Whitcroft
Date: Thu Dec 20 2007 - 11:31:52 EST


On Thu, Nov 29, 2007 at 06:35:28PM -0800, Joe Perches wrote:
> On Fri, 2007-11-30 at 09:54 +0800, Li Zefan wrote:
> > So it doesn't deserve the effort to eliminate these periods, isn't it?
>
> I hope these will eventually disappear.
>
> > Or we can add a check to checkpatch.pl to prevent new ones.
>
> Perhaps that's a good idea.
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index cbb4258..707f84c 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1390,6 +1390,10 @@ sub process {
> if ($line =~ /\*\s*\)\s*k[czm]alloc\b/) {
> WARN("unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n"; . $herecurr);
> }
> +
> + if ($rawline =~ /(print|pr_(emerg|alert|crit|err|warning|notice|info|debug)).*\.\\n\"/) {
> + WARN("unnecessary period before newline\n" . $herecurr);
> + }

I missed the context on this one. So this is checking for periods at
the end of messages for printk's. We would need something a little
cleverer to ensure we are only checking the contents of the string. But
eminently doable.

/me plays

Ok, yes this seems ok. Have added it for 0.13.

-apw
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