linux-kernel - [PATCH] checkpatch: Don't suggest clean scripts when all related errors are suppressed

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Date:	Wed, 10 Apr 2013 10:48:54 +0200
From:	Matthijs Kooijman <matthijs@...in.nl>
To:	Joe Perches <joe@...ches.com>
Cc:	Andy Whitcroft <apw@...onical.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] checkpatch: Don't suggest clean scripts when all related
 errors are suppressed

Before, the message "whitespace errors detected, you may wish to use
scripts/cleanpatch or scripts/cleanfile" was emitted when two specific
errors were detected, even when they were suppressed with --ignore or
--test-only.

Now, the message is only emitted if any of the related errors were
actually emitted as well.

Signed-off-by: Matthijs Kooijman <matthijs@...in.nl>
---
 scripts/checkpatch.pl | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 64021da..532c41b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1278,19 +1278,25 @@ sub ERROR {
 	if (report("ERROR", $_[0], $_[1])) {
 		our $clean = 0;
 		our $cnt_error++;
+		return 1;
 	}
+	return 0;
 }
 sub WARN {
 	if (report("WARNING", $_[0], $_[1])) {
 		our $clean = 0;
 		our $cnt_warn++;
+		return 1;
 	}
+	return 0;
 }
 sub CHK {
 	if ($check && report("CHECK", $_[0], $_[1])) {
 		our $clean = 0;
 		our $cnt_chk++;
+		return 1;
 	}
+	return 0;
 }
 
 sub check_absolute_file {
@@ -1701,9 +1707,10 @@ sub process {
 
 		} elsif ($rawline =~ /^\+.*\S\s+$/ || $rawline =~ /^\+\s+$/) {
 			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
-			ERROR("TRAILING_WHITESPACE",
-			      "trailing whitespace\n" . $herevet);
-			$rpt_cleaners = 1;
+			if (ERROR("TRAILING_WHITESPACE",
+				  "trailing whitespace\n" . $herevet)) {
+				$rpt_cleaners = 1;
+			}
 		}
 
 # check for Kconfig help text having a real description
@@ -1829,9 +1836,10 @@ sub process {
 		if ($rawline =~ /^\+\s* \t\s*\S/ ||
 		    $rawline =~ /^\+\s*        \s*/) {
 			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
-			ERROR("CODE_INDENT",
-			      "code indent should use tabs where possible\n" . $herevet);
-			$rpt_cleaners = 1;
+			if (ERROR("CODE_INDENT",
+				  "code indent should use tabs where possible\n" . $herevet)) {
+				$rpt_cleaners = 1;
+			}
 		}
 
 # check for space before tabs.
-- 
1.8.0

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