linux-kernel - [PATCH 1/2] checkpatch: Use a more consistent function argument style

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Date:	Wed, 26 Feb 2014 11:38:48 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] checkpatch: Use a more consistent function argument style

Instead of array indexing $_, use temporary variables like
all the other subroutines in the script use.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 91308be..ae9f71d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1431,21 +1431,25 @@ sub possible {
 my $prefix = '';
 
 sub show_type {
-	return defined $use_type{$_[0]} if (scalar keys %use_type > 0);
+	my ($type) = @_;
 
-	return !defined $ignore_type{$_[0]};
+	return defined $use_type{$type} if (scalar keys %use_type > 0);
+
+	return !defined $ignore_type{$type};
 }
 
 sub report {
-	if (!show_type($_[1]) ||
-	    (defined $tst_only && $_[2] !~ /\Q$tst_only\E/)) {
+	my ($level, $type, $msg) = @_;
+
+	if (!show_type($type) ||
+	    (defined $tst_only && $msg !~ /\Q$tst_only\E/)) {
 		return 0;
 	}
 	my $line;
 	if ($show_types) {
-		$line = "$prefix$_[0]:$_[1]: $_[2]\n";
+		$line = "$prefix$level:$type: $msg\n";
 	} else {
-		$line = "$prefix$_[0]: $_[2]\n";
+		$line = "$prefix$level: $msg\n";
 	}
 	$line = (split('\n', $line))[0] . "\n" if ($terse);
 
@@ -1453,12 +1457,15 @@ sub report {
 
 	return 1;
 }
+
 sub report_dump {
 	our @report;
 }
 
 sub ERROR {
-	if (report("ERROR", $_[0], $_[1])) {
+	my ($type, $msg) = @_;
+
+	if (report("ERROR", $type, $msg)) {
 		our $clean = 0;
 		our $cnt_error++;
 		return 1;
@@ -1466,7 +1473,9 @@ sub ERROR {
 	return 0;
 }
 sub WARN {
-	if (report("WARNING", $_[0], $_[1])) {
+	my ($type, $msg) = @_;
+
+	if (report("WARNING", $type, $msg)) {
 		our $clean = 0;
 		our $cnt_warn++;
 		return 1;
@@ -1474,7 +1483,9 @@ sub WARN {
 	return 0;
 }
 sub CHK {
-	if ($check && report("CHECK", $_[0], $_[1])) {
+	my ($type, $msg) = @_;
+
+	if ($check && report("CHECK", $type, $msg)) {
 		our $clean = 0;
 		our $cnt_chk++;
 		return 1;
-- 
1.8.1.2.459.gbcd45b4.dirty

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