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>

1 files changed, 54 insertions, 30 deletions

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 445e8845f0a4..090f24839700 100755
--- 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) = @_;