From d46cd420c6acc0ffe62cd7f2fbcd9de1094fbb17 Mon Sep 17 00:00:00 2001
From: Fedor <fedor@mail.ru>
Date: Thu, 1 Aug 2019 03:19:19 +0300
Subject: [PATCH] Get RefPtr for IDBOpenDBRequest before using it.

---
 dom/indexedDB/ActorsChild.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dom/indexedDB/ActorsChild.cpp b/dom/indexedDB/ActorsChild.cpp
index c4fcceb90..30dc9b6da 100644
--- a/dom/indexedDB/ActorsChild.cpp
+++ b/dom/indexedDB/ActorsChild.cpp
@@ -2385,9 +2385,14 @@ BackgroundVersionChangeTransactionChild::RecvComplete(const nsresult& aResult)
     database->Close();
   }
 
+  RefPtr<IDBOpenDBRequest> request = mOpenDBRequest;
+  MOZ_ASSERT(request);
+
   mTransaction->FireCompleteOrAbortEvents(aResult);
 
-  mOpenDBRequest->SetTransaction(nullptr);
+  request->SetTransaction(nullptr);
+  request = nullptr;
+
   mOpenDBRequest = nullptr;
 
   NoteComplete();