From 520b4060a7474aab2f4a4b9b07872a38478d29c6 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 23 Jun 2008 19:20:57 +0000
Subject: [PATCH] * luci/libs:	fix possible error when doing sub() on chunk
 in server.lua

---
 libs/httpd/luasrc/httpd/server.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/httpd/luasrc/httpd/server.lua b/libs/httpd/luasrc/httpd/server.lua
index 2bb44bd02..2c415009e 100644
--- a/libs/httpd/luasrc/httpd/server.lua
+++ b/libs/httpd/luasrc/httpd/server.lua
@@ -124,7 +124,7 @@ function Server.create_client_sources(self, client)
 				or  "Unexpected EOF"
 
 		-- Line ok
-		else
+		elseif chunk ~= nil
 
 			-- Strip trailing CR
 			chunk = chunk:gsub("\r$","")
-- 
2.25.1