From dba20160ce1c17b56166626ab1172c5829b5a2cc Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Fri, 3 Oct 2014 15:15:34 -0400
Subject: [PATCH] check length

---
 src/database/redis/sorted.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/database/redis/sorted.js b/src/database/redis/sorted.js
index 86b3f3d92c..99176b1f36 100644
--- a/src/database/redis/sorted.js
+++ b/src/database/redis/sorted.js
@@ -12,6 +12,10 @@ module.exports = function(redisClient, module) {
 	};
 
 	function sortedSetAddMulti(key, scores, values, callback) {
+		if (!score.length || !values.length) {
+			return callback();
+		}
+
 		if (scores.length !== values.length) {
 			return callback(new Error('[[error:invalid-data]]'));
 		}