From 336fa49f2b2a17d30c8f1a632e7e4d1ee796b56b Mon Sep 17 00:00:00 2001
From: "bzbarsky@mit.edu" <bzbarsky@mit.edu>
Date: Thu, 20 Mar 2008 23:13:11 -0700
Subject: [PATCH] Hold strong ref to ourselves so we don't die while touching
 members.  Bug 421602 followup, r= and a= pending

---
 modules/libpr0n/src/imgRequestProxy.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/libpr0n/src/imgRequestProxy.cpp b/modules/libpr0n/src/imgRequestProxy.cpp
index d471508d4a6..0c6e07b70cd 100644
--- a/modules/libpr0n/src/imgRequestProxy.cpp
+++ b/modules/libpr0n/src/imgRequestProxy.cpp
@@ -500,6 +500,10 @@ void imgRequestProxy::OnStopRequest(nsIRequest *request, nsISupports *ctxt,
   GetName(name);
   LOG_FUNC_WITH_PARAM(gImgLog, "imgRequestProxy::OnStopRequest", "name", name.get());
 #endif
+  // There's all sorts of stuff here that could kill us (the OnStopRequest call
+  // on the listener, the removal from the loadgroup, the release of the
+  // listener, etc).  Don't let them do it.
+  nsCOMPtr<imgIRequest> kungFuDeathGrip(this);
 
   if (mListener) {
     // Hold a ref to the listener while we call it, just in case.