From d550fa977239535afe8bca6acbf3251f5de04b57 Mon Sep 17 00:00:00 2001
From: Byron Jones <bjones@mozilla.com>
Date: Mon, 23 Apr 2012 16:54:16 +0800
Subject: Bug 747110: Fix race condition in showdependencygraph.cgi triggering
 "use of uninitialized value" warnings. r=LpSolit, a=LpSolit

---
 showdependencygraph.cgi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'showdependencygraph.cgi')

diff --git a/showdependencygraph.cgi b/showdependencygraph.cgi
index de6caa459..32abf1747 100755
--- a/showdependencygraph.cgi
+++ b/showdependencygraph.cgi
@@ -296,7 +296,8 @@ foreach my $f (@files)
     # symlinks), this can't escape to delete anything it shouldn't
     # (unless someone moves the location of $webdotdir, of course)
     trick_taint($f);
-    if (file_mod_time($f) < $since) {
+    my $mtime = file_mod_time($f);
+    if ($mtime && $mtime < $since) {
         unlink $f;
     }
 }
-- 
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