From 932b738026213a7dd81b011ed0cdb8fd0b182b18 Mon Sep 17 00:00:00 2001
From: Andrew Gaul <andrew@gaul.org>
Date: Tue, 19 Jun 2012 15:20:13 -0700
Subject: [PATCH] Eliminate unlikely transient blobstore TOCTOU bug

---
 .../java/org/jclouds/blobstore/TransientStorageStrategy.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/blobstore/src/main/java/org/jclouds/blobstore/TransientStorageStrategy.java b/blobstore/src/main/java/org/jclouds/blobstore/TransientStorageStrategy.java
index 1c011141f7..611e93ba25 100644
--- a/blobstore/src/main/java/org/jclouds/blobstore/TransientStorageStrategy.java
+++ b/blobstore/src/main/java/org/jclouds/blobstore/TransientStorageStrategy.java
@@ -79,8 +79,9 @@ public class TransientStorageStrategy {
    }
 
    public void removeBlob(final String containerName, final String blobName) {
-      if (containerToBlobs.containsKey(containerName)) 
-         containerToBlobs.get(containerName).remove(blobName);
+      Map<String, Blob> map = containerToBlobs.get(containerName);
+      if (map != null)
+         map.remove(blobName);
    }
 
    public Iterable<String> getBlobKeysInsideContainer(final String containerName) {