From 382dafefc0e92dfe042d7bdc10e2e050acae3b24 Mon Sep 17 00:00:00 2001
From: Allen Sun <allensun@AllenSundeMacBook-Pro.local>
Date: Wed, 27 Sep 2017 13:58:48 +0800
Subject: [PATCH] fix a potential panic when map is nil

Signed-off-by: Allen Sun <shlallen1990@gmail.com>
---
 image.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/image.go b/image.go
index f46046d64..d333c44fa 100644
--- a/image.go
+++ b/image.go
@@ -80,10 +80,10 @@ func (i *image) Unpack(ctx context.Context, snapshotterName string) error {
 			if err != nil {
 				return err
 			}
+			if info.Labels == nil {
+				info.Labels = map[string]string{}
+			}
 			if info.Labels["containerd.io/uncompressed"] != layer.Diff.Digest.String() {
-				if info.Labels == nil {
-					info.Labels = map[string]string{}
-				}
 				info.Labels["containerd.io/uncompressed"] = layer.Diff.Digest.String()
 				if _, err := cs.Update(ctx, info, "labels.containerd.io/uncompressed"); err != nil {
 					return err