--- zzzz-none-000/linux-2.6.32.61/kernel/timeconst.pl	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/kernel/timeconst.pl	2016-10-13 07:22:50.000000000 +0000
@@ -369,8 +369,10 @@
 		die "Usage: $0 HZ\n";
 	}
 
-	@val = @{$canned_values{$hz}};
-	if (!defined(@val)) {
+	if (exists($canned_values{$hz})) {
+		@val = @{$canned_values{$hz}};
+	}
+	else {
 		@val = compute_values($hz);
 	}
 	output($hz, @val);