From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 28 Apr 2011 10:27:00 +0000 (+0000)
Subject: applications/luci-vnstat: fix crash if dbdir is defined but not existing yet
X-Git-Tag: 0.11.0~2169
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8879c55bb39b31a03de5d798a436d73b30a011d6;p=oweals%2Fluci.git

applications/luci-vnstat: fix crash if dbdir is defined but not existing yet
---

diff --git a/applications/luci-vnstat/luasrc/model/cbi/vnstat.lua b/applications/luci-vnstat/luasrc/model/cbi/vnstat.lua
index 9161ec6a6..5c5e8f7aa 100644
--- a/applications/luci-vnstat/luasrc/model/cbi/vnstat.lua
+++ b/applications/luci-vnstat/luasrc/model/cbi/vnstat.lua
@@ -37,10 +37,12 @@ local ifaces = { }
 local enabled = { }
 local iface
 
-for iface in fs.dir(dbdir) do
-	if iface:sub(1,1) ~= '.' then
-		ifaces[iface] = iface
-		enabled[iface] = iface
+if fs.access(dbdir) then
+	for iface in fs.dir(dbdir) do
+		if iface:sub(1,1) ~= '.' then
+			ifaces[iface] = iface
+			enabled[iface] = iface
+		end
 	end
 end