From bb84c37dcefe5f31fb6735cbcbbdc4051e3c08c7 Mon Sep 17 00:00:00 2001
From: Dustin Shahidehpour <dust@instagram.com>
Date: Mon, 31 Oct 2016 12:41:09 -0700
Subject: [PATCH] Prevent crash when accessing child count, but child list is
 NULL.

Reviewed By: emilsjolander

Differential Revision: D4104093

fbshipit-source-id: cd7b09818759aa76415b97e241f1a6746a2bc50c
---
 React/CSSLayout/CSSNodeList.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/React/CSSLayout/CSSNodeList.c b/React/CSSLayout/CSSNodeList.c
index c4b8f3c16..d48cf4b35 100644
--- a/React/CSSLayout/CSSNodeList.c
+++ b/React/CSSLayout/CSSNodeList.c
@@ -92,5 +92,9 @@ CSSNodeRef CSSNodeListDelete(const CSSNodeListRef list, const CSSNodeRef node) {
 }
 
 CSSNodeRef CSSNodeListGet(const CSSNodeListRef list, const uint32_t index) {
-  return list->items[index];
+  if (CSSNodeListCount(list) > 0) {
+    return list->items[index];
+  }
+
+  return NULL;
 }