linux-kernel - Re: Trailing periods in kernel messages

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Message-Id: <1196390128.22120.118.camel@localhost>
Date:	Thu, 29 Nov 2007 18:35:28 -0800
From:	Joe Perches <joe@...ches.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Frans Pop <elendil@...net.nl>, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, trivial@...nel.org,
	Andy Whitcroft <apw@...dowen.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Joel Schopp <jschopp@...tin.ibm.com>
Subject: Re: Trailing periods in kernel messages

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);
+		}
 	}
 
 	if ($chk_patch && !$is_patch) {


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