diff -Nur linux-1d008423ab5fd12459f53342e4d17585ec63cfe4.orig/kernel/timeconst.pl linux-1d008423ab5fd12459f53342e4d17585ec63cfe4/kernel/timeconst.pl
--- linux-1d008423ab5fd12459f53342e4d17585ec63cfe4.orig/kernel/timeconst.pl	2016-12-22 18:05:10.000000000 +0100
+++ linux-1d008423ab5fd12459f53342e4d17585ec63cfe4/kernel/timeconst.pl	2016-12-22 18:42:55.573173008 +0100
@@ -370,7 +370,7 @@
 	}
 
 	@val = @{$canned_values{$hz}};
-	if (!defined(@val)) {
+	if (!@val) {
 		@val = compute_values($hz);
 	}
 	output($hz, @val);