From 7a3e2544030122456809a61cc9046625d97fd8fa Mon Sep 17 00:00:00 2001
From: Clark Wang <clark.wangs@gmail.com>
Date: Wed, 10 Dec 2014 19:03:48 +0800
Subject: [PATCH] test if cb exists

Signed-off-by: Clark Wang <clark.wangs@gmail.com>
---
 lib/model.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/model.js b/lib/model.js
index 21fe044f..90e3dbea 100644
--- a/lib/model.js
+++ b/lib/model.js
@@ -677,7 +677,7 @@ Model.nestRemoting = function(relationName, options, cb) {
                 try {
                   nestedFn.apply(inst, args);
                 } catch (err) {
-                  cb(err);
+                  cb && cb(err);
                 }
               } else if (cb) {
                 cb(err, null);
@@ -695,7 +695,7 @@ Model.nestRemoting = function(relationName, options, cb) {
                 try {
                   nestedFn.apply(inst, args);
                 } catch (err) {
-                  cb(err);
+                  cb && cb(err);
                 }
               } else if (cb) {
                 cb(err, null);