scripts/get_maintainer.pl: fix possible infinite loop

If MAINTAINERS section entries are misformatted, it was possible to have
an infinite loop.

Correct the defect by always moving the index to the end of section + 1

Also, exit check for exclude as soon as possible.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index b61002dceaba..f76f3d13276d 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -347,6 +347,7 @@ foreach my $file (@files) {
                 if ($type eq 'X') {
                     if (file_match_pattern($file, $value)) {
                         $exclude = 1;
+                        last;
                     }
                 }
             }
@@ -373,8 +374,7 @@ foreach my $file (@files) {
             }
         }
 
-        $tvi += ($end - $start);
-
+        $tvi = $end + 1;
     }
 
     foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {