From 5fe07a9c31e56f2ffc71ffd622ca52db3ce327a6 Mon Sep 17 00:00:00 2001
From: Monica Chew <mmc@mozilla.com>
Date: Mon, 9 Mar 2015 17:44:31 -0700
Subject: [PATCH] Bug 1141363: Check to see we can get UrlClassifierDBService
 before using it (r=sworkman)

---
 toolkit/components/downloads/ApplicationReputation.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/toolkit/components/downloads/ApplicationReputation.cpp b/toolkit/components/downloads/ApplicationReputation.cpp
index bc4eff4aad3..536beaea17c 100644
--- a/toolkit/components/downloads/ApplicationReputation.cpp
+++ b/toolkit/components/downloads/ApplicationReputation.cpp
@@ -296,6 +296,8 @@ PendingDBLookup::LookupSpecInternal(const nsACString& aSpec)
   LOG(("Checking DB service for principal %s [this = %p]", mSpec.get(), this));
   nsCOMPtr<nsIUrlClassifierDBService> dbService =
     do_GetService(NS_URLCLASSIFIERDBSERVICE_CONTRACTID, &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
   nsAutoCString tables;
   nsAutoCString allowlist;
   Preferences::GetCString(PREF_DOWNLOAD_ALLOW_TABLE, &allowlist);