error check

src/groups.js

@@ -141,21 +141,24 @@ var async = require('async'),
 	};
 
 	Groups.search = function(query, options, callback) {
-		if (query.length) {
-			db.getSetMembers('groups', function(err, groups) {
-				groups = groups.filter(function(groupName) {
-					return groupName.match(new RegExp(utils.escapeRegexChars(query), 'i'));
-				});
+		if (!query) {
+			return callback(null, []);
+		}
 
-				async.map(groups, function(groupName, next) {
-					Groups.get(groupName, options, next);
-				}, function(err, groups) {
-					callback(err, internals.filterGroups(groups, options));
-				});
+		db.getSetMembers('groups', function(err, groups) {
+			if (err) {
+				return callback(err);
+			}
+			groups = groups.filter(function(groupName) {
+				return groupName.match(new RegExp(utils.escapeRegexChars(query), 'i'));
 			});
-		} else {
-			callback(null, []);
-		}
+
+			async.map(groups, function(groupName, next) {
+				Groups.get(groupName, options, next);
+			}, function(err, groups) {
+				callback(err, internals.filterGroups(groups, options));
+			});
+		});
 	};
 
 	Groups.isMember = function(uid, groupName, callback) {