From cbd1c370a878f1aa4916b5765a91609cab705ff1 Mon Sep 17 00:00:00 2001
From: Dave Townsend <dtownsend@oxymoronical.com>
Date: Thu, 24 Oct 2019 09:19:07 +0000
Subject: [PATCH] Bug 1590889: Stop warning on common failures in
 ThirdPartyUtil.cpp r=ckerschb

Differential Revision: https://phabricator.services.mozilla.com/D50365

--HG--
extra : moz-landing-system : lando
---
 dom/base/ThirdPartyUtil.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dom/base/ThirdPartyUtil.cpp b/dom/base/ThirdPartyUtil.cpp
index e93723a2e374..824e9fbaaeb5 100644
--- a/dom/base/ThirdPartyUtil.cpp
+++ b/dom/base/ThirdPartyUtil.cpp
@@ -214,7 +214,9 @@ ThirdPartyUtil::IsThirdPartyWindow(mozIDOMWindowProxy* aWindow, nsIURI* aURI,
     NS_ENSURE_SUCCESS(rv, rv);
     // Determine whether aURI is foreign with respect to the current principal.
     rv = prin->IsThirdPartyURI(aURI, &result);
-    NS_ENSURE_SUCCESS(rv, rv);
+    if (NS_FAILED(rv)) {
+      return rv;
+    }
 
     if (result) {
       *aResult = true;