Fixed NullReferenceException when accessing FieldDescriptor.IsPacked

3 years ago · 16941420c9
parent 41e22cde8d
commit 16941420c9
1 changed files with 2 additions and 1 deletions
--- a/csharp/src/Google.Protobuf/Reflection/FieldDescriptor.cs
+++ b/csharp/src/Google.Protobuf/Reflection/FieldDescriptor.cs
@ -239,7 +239,8 @@ namespace Google.Protobuf.Reflection
                }
                else
                {
-                    return !Proto.Options.HasPacked || Proto.Options.Packed;
+                    // Packed by default with proto3
+                    return Proto.Options == null || !Proto.Options.HasPacked || Proto.Options.Packed;
                }
            }
        }