From feab147563e7331868b3d33951ef91abb3218d3e Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Fri, 10 Mar 2017 14:06:53 +0800
Subject: [PATCH] revert, see issue #579

---
 lualib/skynet/coroutine.lua | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lualib/skynet/coroutine.lua b/lualib/skynet/coroutine.lua
index 33bd1faf..b9280894 100644
--- a/lualib/skynet/coroutine.lua
+++ b/lualib/skynet/coroutine.lua
@@ -109,11 +109,11 @@ end
 
 do -- begin skynetco.wrap
 
-	local function wrap_co(co, ok, ...)
+	local function wrap_co(ok, ...)
 		if ok then
 			return ...
 		else
-			error(debug.traceback(co), 2)
+			error(...)
 		end
 	end
 
@@ -122,7 +122,7 @@ function skynetco.wrap(f)
 		return f(...)
 	end)
 	return function(...)
-		return wrap_co(co, skynetco.resume(co, ...))
+		return wrap_co(skynetco.resume(co, ...))
 	end
 end