From ecf6981093f7f9afe4a462eee9e7af864c6d9e70 Mon Sep 17 00:00:00 2001
From: Matthew Dapena-Tretter <matthewwithanm@fb.com>
Date: Tue, 16 Feb 2016 13:57:30 -0800
Subject: [PATCH] Only freeze valid attributes in `mountComponent`

Reviewed By: spicyj

Differential Revision: D2939910

fb-gh-sync-id: 2efe6ecd6d888d4185a8cc74ba9adbe7c68bcd3b
shipit-source-id: 2efe6ecd6d888d4185a8cc74ba9adbe7c68bcd3b
---
 Libraries/ReactNative/ReactNativeBaseComponent.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Libraries/ReactNative/ReactNativeBaseComponent.js b/Libraries/ReactNative/ReactNativeBaseComponent.js
index ceb600aaaa..19afca8036 100644
--- a/Libraries/ReactNative/ReactNativeBaseComponent.js
+++ b/Libraries/ReactNative/ReactNativeBaseComponent.js
@@ -185,7 +185,11 @@ ReactNativeBaseComponent.Mixin = {
     var tag = ReactNativeTagHandles.allocateTag();
 
     if (__DEV__) {
-      deepFreezeAndThrowOnMutationInDev(this._currentElement.props);
+      for (var key in this.viewConfig.validAttributes) {
+        if (this._currentElement.props.hasOwnProperty(key)) {
+          deepFreezeAndThrowOnMutationInDev(this._currentElement.props[key]);
+        }
+      }
     }
 
     var updatePayload = ReactNativeAttributePayload.create(