cache: handle nil result from flightcontrol

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2020-11-20 20:35:26 -08:00 · 2020-11-20 20:35:26 -08:00 · 54908ec03f
parent 0caddb1c72
commit 54908ec03f
1 changed files with 3 additions and 0 deletions
--- a/cache/refs.go
+++ b/cache/refs.go
@ -454,6 +454,9 @@ func (sr *immutableRef) prepareRemoteSnapshots(ctx context.Context, dhs DescHand
 		// This layer cannot be prepared without unlazying.
 		return false, nil
 	})
+	if err != nil {
+		return false, err
+	}
 	return ok.(bool), err
 }