NVME_FC_TRADDR_MIN_PN_OFFSET
!strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET],
pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN;
!strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET],
pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN;