From 1a93babdbc7dcfe6531093a52bc7c44e830dd55d Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Sat, 25 Oct 2014 22:01:24 +0800
Subject: [PATCH] Fix double freeing guest

---
 atom/browser/lib/guest-view-manager.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/atom/browser/lib/guest-view-manager.coffee b/atom/browser/lib/guest-view-manager.coffee
index 39d224594e8c..b0953bb78ac3 100644
--- a/atom/browser/lib/guest-view-manager.coffee
+++ b/atom/browser/lib/guest-view-manager.coffee
@@ -37,7 +37,7 @@ createGuest = (embedder, params) ->
 
   # Destroy guest when the embedder is gone.
   embedder.once 'render-view-deleted', ->
-    destroyGuest id
+    destroyGuest id if guestInstances[id]?
 
   # Init guest web view after attached.
   guest.once 'did-attach', (event, params) ->