From 3a7fafb8ff097751f796e12adf0d697d8d54b00b Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Fri, 3 Oct 2014 02:00:41 +1000
Subject: [PATCH] Open the cache as readonly when retrieving a page size for
 :pageinfo.

---
 common/modules/buffer.jsm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/modules/buffer.jsm b/common/modules/buffer.jsm
index 69d26c7f..43e152b3 100644
--- a/common/modules/buffer.jsm
+++ b/common/modules/buffer.jsm
@@ -2667,7 +2667,7 @@ Buffer.addPageInfoSection("g", "General Info", function (verbose) {
     let pageSize = []; // [0] bytes; [1] kbytes
 
     storage.asyncOpenURI(util.createURI(doc.documentURI), "",
-        Ci.nsICacheStorage.OPEN_NORMALLY,
+        Ci.nsICacheStorage.OPEN_READONLY,
         {
             onCacheEntryCheck: () => Ci.nsICacheEntryOpenCallback.ENTRY_WANTED,
             onCacheEntryAvailable: entry => {