nvpf_chksum
KFDEBUG2((CE_CONT, "nvpf_chksum: 0x%x\n", hdr.nvpf_chksum));
if (hdr.nvpf_chksum != cksum) {
filename, hdr.nvpf_chksum, cksum);
((nvpf_hdr_t *)buf)->nvpf_chksum = nvp_cksum((uchar_t *)nvbuf, buflen);