From f76f05bba1a5dee490a14671655055c4522287a9 Mon Sep 17 00:00:00 2001
From: Joel Maher <jmaher@mozilla.com>
Date: Fri, 14 Oct 2011 07:52:01 -0400
Subject: [PATCH] Bug 694241 - devicemanagerADB has error in getDirectory
 causing remotereftest failures. r=wlach

---
 build/mobile/devicemanagerADB.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build/mobile/devicemanagerADB.py b/build/mobile/devicemanagerADB.py
index 32743a325adf..5b9b6f958e87 100644
--- a/build/mobile/devicemanagerADB.py
+++ b/build/mobile/devicemanagerADB.py
@@ -323,7 +323,8 @@ class DeviceManagerADB(DeviceManager):
       ret.append(f)
       line =  p.stderr.readline()
     #the last line is a summary
-    ret.pop(len(ret) - 1)
+    if (len(ret) > 0):
+      ret.pop()
     return ret