From 8772d4025877eaa375e2dfc327f76fe57a1f530b Mon Sep 17 00:00:00 2001
From: wqyfavor <qianyuan.wqy@taobao.com>
Date: Mon, 13 May 2019 12:29:59 +0800
Subject: [PATCH] [Core] Protect potential crash. (#2430)

---
 weex_core/Source/core/layout/layout.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/weex_core/Source/core/layout/layout.cpp b/weex_core/Source/core/layout/layout.cpp
index aeab1e9d18..f43d5f2103 100644
--- a/weex_core/Source/core/layout/layout.cpp
+++ b/weex_core/Source/core/layout/layout.cpp
@@ -1129,6 +1129,9 @@ namespace WeexCore {
             if (child == nullptr) {
                 continue;
             }
+            if (child->mLayoutResult == nullptr || child->mCssStyle == nullptr) {
+                continue;
+            }
             // determin direction
             if (child->mLayoutResult->mLayoutDirection == kDirectionInherit) {
                 if(child->mCssStyle->mDirection == kDirectionInherit) {