The "IoAlign" field in EFI_BLOCK_IO_MEDIA of an NVMe device is not initialized properly, leading to a zero value for this field. It should be initialized from the "IoAlign" field in the EFI_NVM_EXPRESS_PASS_THRU_MODE structure maintained by the NVMe controller. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>