linux-kernel - [RFC PATCH] checkpatch: Make the 80-character limit a --strict check only

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Message-ID: <20131007191835.GA28737@jtriplet-mobl1>
Date:	Mon, 7 Oct 2013 12:18:43 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	torvalds@...ux-foundation.org, gregkh@...ux-foundation.org,
	Andy Whitcroft <apw@...onical.com>,
	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org
Subject: [RFC PATCH] checkpatch: Make the 80-character limit a --strict check
 only

The 80-character limit is not a hard-and-fast rule, nor should it be
applied blindly by people running checkpatch and fixing its warnings.
Sometimes it's better to violate the 80-character "limit" in the name of
readability, and when it isn't, it's often better to refactor into a
function or otherwise restructure the code rather than just finding
increasingly awkward places to break lines.

Thus, change checkpatch's LONG_LINE warning to a --strict CHK instead.
Anyone wanting to use checkpatch to check for this can easily enough
enable --strict or turn on LONG_LINE explicitly, but it shouldn't be
part of the default warnings.

Signed-off-by: Josh Triplett <josh@...htriplett.org>
---

 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 47016c3..ed16a68 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2017,8 +2017,8 @@ sub process {
 		    $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
 		    $length > $max_line_length)
 		{
-			WARN("LONG_LINE",
-			     "line over $max_line_length characters\n" . $herecurr);
+			CHK("LONG_LINE",
+			    "line over $max_line_length characters\n" . $herecurr);
 		}

 # Check for user-visible strings broken across lines, which breaks the ability
-- 
1.8.4.rc3

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