From 42e6f0aab71c56e96a141d7a3af81a87e43175a0 Mon Sep 17 00:00:00 2001
From: Harditya Ramadhan <harditya.r@gmail.com>
Date: Thu, 12 Oct 2017 20:04:59 +0700
Subject: [PATCH] Fixed force close bugs

---
 KissXML/DDXMLNode.m | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/KissXML/DDXMLNode.m b/KissXML/DDXMLNode.m
index fa734dba..ad678dbc 100644
--- a/KissXML/DDXMLNode.m
+++ b/KissXML/DDXMLNode.m
@@ -1611,10 +1611,15 @@ + (void)recursiveFixDefaultNamespacesInNode:(xmlNodePtr)node withNewRoot:(xmlNod
 				// Create a copy of the namespace, add to node's nsDef list, and then set as attribute's ns
 				xmlNsPtr attrNsCopy = xmlNewNs(NULL, attrNs->href, attrNs->prefix);
 				
-				attrNsCopy->next = node->nsDef;
-				node->nsDef = attrNsCopy;
-				
-				attr->ns = attrNsCopy;
+                if (attrNsCopy != NULL) {
+                    attrNsCopy->next = node->nsDef;
+                    node->nsDef = attrNsCopy;
+                
+                    attr->ns = attrNsCopy;
+                } else {
+                    node->nsDef = NULL;
+                    attr->ns = NULL;
+                }
 			}
 			
 			attrNs = attrNs->next;