[PATCH] scripts/get_maintainer.pl: Fix possible infinite loop

[Joe Perches]

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

Correct the defect by always moving at least one entry
forward in parsing the MAINTAINERS file.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 scripts/get_maintainer.pl |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 2f3230d..4f2ec25 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -340,8 +340,11 @@ foreach my $file (@files) {
 	    }
 	}
 
-	$tvi += ($end - $start);
-
+	if ($end <= $start) {
+	    $tvi++;
+	} else {
+	    $tvi += ($end - $start);
+	}
     }
 
     foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
-- 
1.7.0.14.g7e948


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