fix serialization segfault

Fix segfault if doctype hasn't attribute

1 files changed, 1 insertions, 1 deletions

diff --git a/source/myhtml/serialization.c b/source/myhtml/serialization.c
index b09d84a..3d2cd6f 100755
--- a/source/myhtml/serialization.c
+++ b/source/myhtml/serialization.c
@@ -140,7 +140,7 @@ mystatus_t myhtml_serialization_node_callback(myhtml_tree_node_t* node, mycore_c
             if(node->token) {
                 myhtml_tree_attr_t* attr = node->token->attr_first;
                 
-                if(attr->key.data && attr->key.length) {
+                if(attr && attr->key.data && attr->key.length) {
                     if(callback(" ", 1, ptr))
                         return MyCORE_STATUS_ERROR_MEMORY_ALLOCATION;