From 324f46290ba8a3afd47e737b05eaa81d3ce211df Mon Sep 17 00:00:00 2001
From: Andrew McCreight <continuation@gmail.com>
Date: Thu, 13 Aug 2015 14:24:59 -0700
Subject: [PATCH] Bug 1193567 - Check result of ReadID in
 nsXBLPrototypeBinding::Read(). r=wchen

---
 dom/xbl/nsXBLPrototypeBinding.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dom/xbl/nsXBLPrototypeBinding.cpp b/dom/xbl/nsXBLPrototypeBinding.cpp
index 94244d73dc8..8a060152214 100644
--- a/dom/xbl/nsXBLPrototypeBinding.cpp
+++ b/dom/xbl/nsXBLPrototypeBinding.cpp
@@ -901,7 +901,8 @@ nsXBLPrototypeBinding::Read(nsIObjectInputStream* aStream,
 
   for (; interfaceCount > 0; interfaceCount--) {
     nsIID iid;
-    aStream->ReadID(&iid);
+    rv = aStream->ReadID(&iid);
+    NS_ENSURE_SUCCESS(rv, rv);
     mInterfaceTable.Put(iid, mBinding);
   }