1 files changed, 3 insertions, 1 deletions
diff --git a/remote.go b/remote.go
index 592f7b6..deb8d7f 100644
--- a/remote.go
+++ b/remote.go
@@ -76,6 +76,8 @@ func (r *Remote) Push(o *PushOptions) (err error) {
 		return err
 	}
 
+	defer ioutil.CheckClose(s, &err)
+
 	ar, err := s.AdvertisedReferences()
 	if err != nil {
 		return err
@@ -420,7 +422,7 @@ func isFastForward(s storer.EncodedObjectStorer, old, new plumbing.Hash) (bool,
 	}
 
 	found := false
-	iter := object.NewCommitPreIterator(c)
+	iter := object.NewCommitPreorderIter(c)
 	return found, iter.ForEach(func(c *object.Commit) error {
 		if c.Hash != old {
 			return nil