From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 19 Feb 2012 17:05:09 +0000 (+0000)
Subject: applications/luci-statistics: avoid global vars, avoid nil indexing, get rid of count... 
X-Git-Tag: 0.11.0~1032
X-Git-Url: http://git.openwrt.org/?p=project%2Fluci.git;a=commitdiff_plain;h=bbc2c69965517c66b04d068cc9e8dab2c396efa4

applications/luci-statistics: avoid global vars, avoid nil indexing, get rid of counter variable
---

diff --git a/applications/luci-statistics/luasrc/statistics/datatree.lua b/applications/luci-statistics/luasrc/statistics/datatree.lua
index d6de6fa217..850b83a998 100644
--- a/applications/luci-statistics/luasrc/statistics/datatree.lua
+++ b/applications/luci-statistics/luasrc/statistics/datatree.lua
@@ -196,10 +196,12 @@ end
 function Instance.host_instances( self )
 	local hosts_path = fs.glob(self._rrddir..'/*')
 	local hosts = { }
-	k = 1
-	for v in hosts_path do
-		hosts[k] = fs.basename(v)
-		k=k+1
+
+	if hosts_path then
+		local path
+		for path in hosts_path do
+			hosts[#hosts+1] = fs.basename(path)
+		end
 	end
 
 	return hosts