registry/session: fix panic in GetRemoteImageLayer
@@ -167,7 +167,9 @@ func (r *Session) GetRemoteImageLayer(imgID, registry string, token []string, im
for i := 1; i <= retries; i++ {
res, client, err = r.doRequest(req)
if err != nil {
- res.Body.Close()
+ if res.Body != nil {
+ res.Body.Close()
+ }
if i == retries {
return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
res.StatusCode, imgID)