bt_field_class_make_part_of_trace(field_class);
bt_object_put_ref(trace->packet_header_fc);
- trace->packet_header_fc = bt_object_get_ref(field_class);
+ trace->packet_header_fc = field_class;
+ bt_object_get_no_null_check(trace->packet_header_fc);
bt_field_class_freeze(field_class);
BT_LIB_LOGV("Set trace's packet header field classe: %!+t", trace);