From 40ea5f2ee0ace663af86d4be46c6d2acdcf92eb6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vladimir.cunat@nic.cz>
Date: Wed, 31 Jul 2019 15:55:43 +0200
Subject: [PATCH] modules/policy: optimize postrules

I've never seen anyone use postrules.
---
 modules/policy/policy.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/policy/policy.lua b/modules/policy/policy.lua
index cf6a0b738..d78e0f0ac 100644
--- a/modules/policy/policy.lua
+++ b/modules/policy/policy.lua
@@ -591,6 +591,8 @@ policy.layer = {
 		       state
 	end,
 	finish = function(state, req)
+		-- Optimization for the typical case
+		if #policy.postrules == 0 then return state end
 		-- Don't act on "resolved" cases.
 		if bit.band(state, bit.bor(kres.FAIL, kres.DONE)) ~= 0 then return state end
 		return policy.evaluate(policy.postrules, req, req:current(), state) or state
-- 
2.47.2