From e0feea99953ae0f30fedac5912d1761af479a65d Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Tue, 19 Aug 2014 23:44:07 +0800
Subject: [PATCH] fix issue #156

---
 service/datacenterd.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/service/datacenterd.lua b/service/datacenterd.lua
index 5929b0e3..abc1eea6 100644
--- a/service/datacenterd.lua
+++ b/service/datacenterd.lua
@@ -33,7 +33,7 @@ local function update(db, key, value, ...)
 	end
 end
 
-local function wakeup(db, key1, key2, value, ...)
+local function wakeup(db, key1, key2, ...)
 	if key1 == nil then
 		return
 	end
@@ -43,7 +43,7 @@ local function wakeup(db, key1, key2, value, ...)
 	end
 	if q[mode] == "queue" then
 		db[key1] = nil
-		if value then
+		if key2 then
 			-- throw error because can't wake up a branch
 			for _,response in ipairs(q) do
 				response(false)
@@ -53,7 +53,7 @@ local function wakeup(db, key1, key2, value, ...)
 		end
 	else
 		-- it's branch
-		return wakeup(q , key2, value, ...)
+		return wakeup(q , key2, ...)
 	end
 end