From 749ce5f8e5a9848c9fb462679a689f0da66df431 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Wed, 11 Feb 2015 12:01:46 -0500
Subject: [PATCH] dont crash if callback isnt supplied to list methods

---
 src/database/redis/list.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/database/redis/list.js b/src/database/redis/list.js
index 115a56a767..7ebc068d53 100644
--- a/src/database/redis/list.js
+++ b/src/database/redis/list.js
@@ -2,34 +2,40 @@
 
 module.exports = function(redisClient, module) {
 	module.listPrepend = function(key, value, callback) {
+		callback = callback || function() {};
 		redisClient.lpush(key, value, function(err, res) {
 			callback(err);
 		});
 	};
 
 	module.listAppend = function(key, value, callback) {
+		callback = callback || function() {};
 		redisClient.rpush(key, value, function(err, res) {
 			callback(err);
 		});
 	};
 
 	module.listRemoveLast = function(key, callback) {
+		callback = callback || function() {};
 		redisClient.rpop(key, callback);
 	};
 
 	module.listRemoveAll = function(key, value, callback) {
+		callback = callback || function() {};
 		redisClient.lrem(key, 0, value, function(err, res) {
 			callback(err);
 		});
 	};
 
 	module.listTrim = function(key, start, stop, callback) {
+		callback = callback || function() {};
 		redisClient.ltrim(key, start, stop, function(err, res) {
 			callback(err);
 		});
 	};
 
 	module.getListRange = function(key, start, stop, callback) {
+		callback = callback || function() {};
 		redisClient.lrange(key, start, stop, callback);
 	};
 };
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