From bdb84347eeda82a36989f672e629a8f3a8decbb0 Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu" <bzbarsky%mit.edu>
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

---
 dom/src/jsurl/nsJSProtocolHandler.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dom/src/jsurl/nsJSProtocolHandler.cpp b/dom/src/jsurl/nsJSProtocolHandler.cpp
index 2410feeea06d..6b238fe3cd0e 100644
--- a/dom/src/jsurl/nsJSProtocolHandler.cpp
+++ b/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);