From 62e69790b7b41403cc46a4b10f8183d4b2d61c22 Mon Sep 17 00:00:00 2001
From: Christopher Henderson <trendyhendy2000@gmail.com>
Date: Sun, 21 Feb 2010 16:06:20 -0500
Subject: [PATCH] Bug 541743 - Closing two tabs from yelp.com in rapid
 succession crashes Camino [@ nsCOMPtr_base::assign_from_qi(nsQueryInterface,
 nsID const&) | nsDocShell::FirePageHideNotification(int) ] [@
 nsDocShell::FirePageHideNotification(int) ], so hold a strong ref to the
 docshell. r=bz

---
 embedding/browser/webBrowser/nsWebBrowser.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/embedding/browser/webBrowser/nsWebBrowser.cpp b/embedding/browser/webBrowser/nsWebBrowser.cpp
index 02946d04aaf..774e3e2440b 100644
--- a/embedding/browser/webBrowser/nsWebBrowser.cpp
+++ b/embedding/browser/webBrowser/nsWebBrowser.cpp
@@ -1600,6 +1600,7 @@ NS_IMETHODIMP nsWebBrowser::ScrollByPages(PRInt32 aNumPages)
 
 NS_IMETHODIMP nsWebBrowser::SetDocShell(nsIDocShell* aDocShell)
 {
+     nsCOMPtr<nsIDocShell> kungFuDeathGrip(mDocShell);
      if(aDocShell)
      {
          NS_ENSURE_TRUE(!mDocShell, NS_ERROR_FAILURE);