From 690ae5c211a5c5481cf180d71fe960c3f04a5e7e Mon Sep 17 00:00:00 2001
From: Florian Eckert <fe@dev.tdt.de>
Date: Sun, 4 Jun 2017 18:49:27 +0200
Subject: [PATCH] luci-mod-admin-full: no menu entry for leds if
 "/sys/class/leds" is empty

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
---
 modules/luci-mod-admin-full/luasrc/controller/admin/system.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua b/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
index 51f9d9d7b..85bf3b686 100644
--- a/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
+++ b/modules/luci-mod-admin-full/luasrc/controller/admin/system.lua
@@ -27,7 +27,8 @@ function index()
 		entry({"admin", "system", "fstab", "swap"},  cbi("admin_system/fstab/swap"),  nil).leaf = true
 	end
 
-	if fs.access("/sys/class/leds") then
+	local nodes, number = nixio.fs.glob("/sys/class/leds/*")
+	if number > 0 then
 		entry({"admin", "system", "leds"}, cbi("admin_system/leds"), _("<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"), 60)
 	end
 
-- 
2.11.0