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

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Date:	Tue, 23 Feb 2010 09:31:20 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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 at least one entry
forward in parsing the MAINTAINERS file.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 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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