linux-kernel - [PATCH V2] scripts/get_maintainer.pl: Fix possible infinite loop

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Date:	Tue, 23 Feb 2010 10:53:13 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH V2] scripts/get_maintainer.pl: Fix possible infinite loop

This is simpler.

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@...ches.com>

 scripts/get_maintainer.pl |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 2f3230d..049c419 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -314,6 +314,7 @@ foreach my $file (@files) {
 		if ($type eq 'X') {
 		    if (file_match_pattern($file, $value)) {
 			$exclude = 1;
+			last;
 		    }
 		}
 	    }
@@ -340,8 +341,7 @@ foreach my $file (@files) {
 	    }
 	}
 
-	$tvi += ($end - $start);
-
+	$tvi = $end + 1;
     }
 
     foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {


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