When the type of HiiValue is BUFFER Type, the BufferValue of the related question can not be NULL, so can remove the check. Cc: Qiu Shumin <shumin.qiu@intel.com> Cc: Eric Dong <eric.dong@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: Qiu Shumin <shumin.qiu@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>