From f8899d493647751be63353c4e6e6821b6970f41f Mon Sep 17 00:00:00 2001
From: "sspitzer%netscape.com" <sspitzer%netscape.com>
Date: Wed, 1 Dec 1999 01:26:08 +0000
Subject: [PATCH] bulletproofing to prevent #20410

---
 netwerk/base/src/nsLoadGroup.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/netwerk/base/src/nsLoadGroup.cpp b/netwerk/base/src/nsLoadGroup.cpp
index dc7b7f80f267..61b3e1ed25d1 100644
--- a/netwerk/base/src/nsLoadGroup.cpp
+++ b/netwerk/base/src/nsLoadGroup.cpp
@@ -476,7 +476,13 @@ nsLoadGroup::RemoveChannel(nsIChannel *channel, nsISupports* ctxt,
     char* uriStr;
     nsCOMPtr<nsIURI> uri;
 
-    rv = channel->GetURI(getter_AddRefs(uri));
+    if (channel) {
+    	rv = channel->GetURI(getter_AddRefs(uri));
+    }
+    else {
+	rv = NS_ERROR_NULL_POINTER;
+    }
+
     if (NS_SUCCEEDED(rv))
         rv = uri->GetSpec(&uriStr);
     if (NS_FAILED(rv))