From b522c472fdf06b8480a1eefab8893f737569e321 Mon Sep 17 00:00:00 2001
From: Alex Dadgar <alex.dadgar@gmail.com>
Date: Tue, 31 Jan 2017 09:19:59 -0800
Subject: [PATCH] Add nil guard

---
 client/driver/driver.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client/driver/driver.go b/client/driver/driver.go
index aecb4bbc7..fd59a76f8 100644
--- a/client/driver/driver.go
+++ b/client/driver/driver.go
@@ -104,6 +104,10 @@ func (r *CreatedResources) Remove(k, needle string) bool {
 
 // Copy returns a new deep copy of CreatedResrouces.
 func (r *CreatedResources) Copy() *CreatedResources {
+	if r == nil {
+		return nil
+	}
+
 	newr := CreatedResources{
 		Resources: make(map[string][]string, len(r.Resources)),
 	}