scripts/get_maintainer.pl: fix file exclusion X: logic

The following command doesn't generate any output.
`./scripts/get_maintainer.pl --no-git -f drivers/net/wireless/wl12xx/wl1271_acx.c`

An excluded "X:" pattern match in any section would cause a file not to
match any other section.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Dan Carpenter <error27@gmail.com>
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 445e884..090f248 100755 (executable)
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -296,46 +296,56 @@ my @status = ();
 
 foreach my $file (@files) {
 
-#Do not match excluded file patterns
-
-    my $exclude = 0;
-    foreach my $line (@typevalue) {
-       if ($line =~ m/^(\C):\s*(.*)/) {
-           my $type = $1;
-           my $value = $2;
-           if ($type eq 'X') {
-               if (file_match_pattern($file, $value)) {
-                   $exclude = 1;
-                   last;
-               }
-           }
-       }
-    }
+    my %hash;
+    my $tvi = find_first_section();
+    while ($tvi < @typevalue) {
+       my $start = find_starting_index($tvi);
+       my $end = find_ending_index($tvi);
+       my $exclude = 0;
+       my $i;
+
+       #Do not match excluded file patterns
 
-    if (!$exclude) {
-       my $tvi = 0;
-       my %hash;
-       foreach my $line (@typevalue) {
+       for ($i = $start; $i < $end; $i++) {
+           my $line = $typevalue[$i];
            if ($line =~ m/^(\C):\s*(.*)/) {
                my $type = $1;
                my $value = $2;
-               if ($type eq 'F') {
+               if ($type eq 'X') {
                    if (file_match_pattern($file, $value)) {
-                       my $value_pd = ($value =~ tr@/@@);
-                       my $file_pd = ($file  =~ tr@/@@);
-                       $value_pd++ if (substr($value,-1,1) ne "/");
-                       if ($pattern_depth == 0 ||
-                           (($file_pd - $value_pd) < $pattern_depth)) {
-                           $hash{$tvi} = $value_pd;
-                       }
+                       $exclude = 1;
                    }
                }
            }
-           $tvi++;
        }
-       foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
-           add_categories($line);
+
+       if (!$exclude) {
+           for ($i = $start; $i < $end; $i++) {
+               my $line = $typevalue[$i];
+               if ($line =~ m/^(\C):\s*(.*)/) {
+                   my $type = $1;
+                   my $value = $2;
+                   if ($type eq 'F') {
+                       if (file_match_pattern($file, $value)) {
+                           my $value_pd = ($value =~ tr@/@@);
+                           my $file_pd = ($file  =~ tr@/@@);
+                           $value_pd++ if (substr($value,-1,1) ne "/");
+                           if ($pattern_depth == 0 ||
+                               (($file_pd - $value_pd) < $pattern_depth)) {
+                               $hash{$tvi} = $value_pd;
+                           }
+                       }
+                   }
+               }
+           }
        }
+
+       $tvi += ($end - $start);
+
+    }
+
+    foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
+       add_categories($line);
     }
 
     if ($email && $email_git) {
@@ -570,6 +580,20 @@ sub format_email {
     return $formatted_email;
 }
 
+sub find_first_section {
+    my $index = 0;
+
+    while ($index < @typevalue) {
+       my $tv = $typevalue[$index];
+       if (($tv =~ m/^(\C):\s*(.*)/)) {
+           last;
+       }
+       $index++;
+    }
+
+    return $index;
+}
+
 sub find_starting_index {
     my ($index) = @_;