DF_EMULATED_VPD_UNIT_SERIAL
dev->dev_flags |= DF_EMULATED_VPD_UNIT_SERIAL;
if (dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL) {
if (!(dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL))
if (dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL)
if (cmd->se_dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL) {