From bb70e37bca7ebbe4c72952183ec449122d75b349 Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu"
 <bzbarsky%mit.edu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sat, 8 Apr 2006 01:46:29 +0000
Subject: [PATCH] When running javascript: URIs in chrome, fall back on a null
 principal instead of crashing.  Bug 328697, r=mrbkap, sr=jst

git-svn-id: svn://10.0.0.236/trunk@193901 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/dom/src/jsurl/nsJSProtocolHandler.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mozilla/dom/src/jsurl/nsJSProtocolHandler.cpp b/mozilla/dom/src/jsurl/nsJSProtocolHandler.cpp
index 2410feeea06..6b238fe3cd0 100644
--- a/mozilla/dom/src/jsurl/nsJSProtocolHandler.cpp
+++ b/mozilla/dom/src/jsurl/nsJSProtocolHandler.cpp
@@ -251,6 +251,10 @@ nsresult nsJSThunk::EvaluateScript(nsIChannel *aChannel)
         if (principal) {
             nsCOMPtr<nsIURI> uri;
             rv = principal->GetURI(getter_AddRefs(uri));
+            if (!uri) {
+                rv = NS_ERROR_NOT_AVAILABLE;
+            }
+            
             if (NS_SUCCEEDED(rv)) {
                 nsCAutoString spec;
                 uri->GetSpec(spec);