get_maintainer: fix perl 5.22/5.24 deprecated/incompatible "\C" use

Perl 5.22 emits a deprecated message when "\C" is used in a regex.  Perl
5.24 will disallow it altogether.

Fix it by using [A-Z] instead of \C.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Tested-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index cffa658..98bae86 100755 (executable)
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -305,7 +305,7 @@ open (my $maint, '<', "${lk_path}MAINTAINERS")
 while (<$maint>) {
     my $line = $_;
 
-    if ($line =~ m/^(\C):\s*(.*)/) {
+    if ($line =~ m/^([A-Z]):\s*(.*)/) {
        my $type = $1;
        my $value = $2;
 
@@ -550,7 +550,7 @@ sub range_is_maintained {
 
     for (my $i = $start; $i < $end; $i++) {
        my $line = $typevalue[$i];
-       if ($line =~ m/^(\C):\s*(.*)/) {
+       if ($line =~ m/^([A-Z]):\s*(.*)/) {
            my $type = $1;
            my $value = $2;
            if ($type eq 'S') {
@@ -568,7 +568,7 @@ sub range_has_maintainer {
 
     for (my $i = $start; $i < $end; $i++) {
        my $line = $typevalue[$i];
-       if ($line =~ m/^(\C):\s*(.*)/) {
+       if ($line =~ m/^([A-Z]):\s*(.*)/) {
            my $type = $1;
            my $value = $2;
            if ($type eq 'M') {
@@ -617,7 +617,7 @@ sub get_maintainers {
 
            for ($i = $start; $i < $end; $i++) {
                my $line = $typevalue[$i];
-               if ($line =~ m/^(\C):\s*(.*)/) {
+               if ($line =~ m/^([A-Z]):\s*(.*)/) {
                    my $type = $1;
                    my $value = $2;
                    if ($type eq 'X') {
@@ -632,7 +632,7 @@ sub get_maintainers {
            if (!$exclude) {
                for ($i = $start; $i < $end; $i++) {
                    my $line = $typevalue[$i];
-                   if ($line =~ m/^(\C):\s*(.*)/) {
+                   if ($line =~ m/^([A-Z]):\s*(.*)/) {
                        my $type = $1;
                        my $value = $2;
                        if ($type eq 'F') {
@@ -933,7 +933,7 @@ sub find_first_section {
 
     while ($index < @typevalue) {
        my $tv = $typevalue[$index];
-       if (($tv =~ m/^(\C):\s*(.*)/)) {
+       if (($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index++;
@@ -947,7 +947,7 @@ sub find_starting_index {
 
     while ($index > 0) {
        my $tv = $typevalue[$index];
-       if (!($tv =~ m/^(\C):\s*(.*)/)) {
+       if (!($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index--;
@@ -961,7 +961,7 @@ sub find_ending_index {
 
     while ($index < @typevalue) {
        my $tv = $typevalue[$index];
-       if (!($tv =~ m/^(\C):\s*(.*)/)) {
+       if (!($tv =~ m/^([A-Z]):\s*(.*)/)) {
            last;
        }
        $index++;
@@ -987,7 +987,7 @@ sub get_maintainer_role {
 
     for ($i = $start + 1; $i < $end; $i++) {
        my $tv = $typevalue[$i];
-       if ($tv =~ m/^(\C):\s*(.*)/) {
+       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
            my $ptype = $1;
            my $pvalue = $2;
            if ($ptype eq "S") {
@@ -1046,7 +1046,7 @@ sub add_categories {
 
     for ($i = $start + 1; $i < $end; $i++) {
        my $tv = $typevalue[$i];
-       if ($tv =~ m/^(\C):\s*(.*)/) {
+       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
            my $ptype = $1;
            my $pvalue = $2;
            if ($ptype eq "L") {
@@ -1088,7 +1088,7 @@ sub add_categories {
                if ($name eq "") {
                    if ($i > 0) {
                        my $tv = $typevalue[$i - 1];
-                       if ($tv =~ m/^(\C):\s*(.*)/) {
+                       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
                            if ($1 eq "P") {
                                $name = $2;
                                $pvalue = format_email($name, $address, $email_usename);
@@ -1105,7 +1105,7 @@ sub add_categories {
                if ($name eq "") {
                    if ($i > 0) {
                        my $tv = $typevalue[$i - 1];
-                       if ($tv =~ m/^(\C):\s*(.*)/) {
+                       if ($tv =~ m/^([A-Z]):\s*(.*)/) {
                            if ($1 eq "P") {
                                $name = $2;
                                $pvalue = format_email($name, $address, $email_usename);