From 4cd9e4722c92f05438779d10bf18206f65417644 Mon Sep 17 00:00:00 2001
From: shin- <joffrey@dotcloud.com>
Date: Thu, 25 Apr 2013 09:24:29 -0700
Subject: [PATCH] Fixed graph.Checksums()

---
 graph.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/graph.go b/graph.go
index f6965aa1cf..a2a6f47af7 100644
--- a/graph.go
+++ b/graph.go
@@ -294,8 +294,8 @@ func (graph *Graph) imageRoot(id string) string {
 }
 
 func (graph *Graph) Checksums(repo Repository) ([]map[string]string, error) {
-	var checksums map[string]string
 	var result []map[string]string
+	checksums := map[string]string{}
 	for _, id := range repo {
 		img, err := graph.Get(id)
 		if err != nil {
@@ -310,6 +310,7 @@ func (graph *Graph) Checksums(repo Repository) ([]map[string]string, error) {
 		}
 	}
 	i := 0
+	result = make([]map[string]string, len(checksums))
 	for id, sum := range checksums {
 		result[i] = map[string]string{
 			"id":       id,