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@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 91308be..ae9f71d 100755 (executable)
--- 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;