[Core] Protect potential crash. (#2430)

apache · May 13, 2019 · 8772d40 · 8772d40
1 parent ba6d09c
commit 8772d40
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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) {