diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index a58f66a1..508f76ee 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -189,19 +189,12 @@ cmd_setmac(const char *strMac) if (parseMacAddress(strMac, mac) == -1) err(errno = ECANCELED, "Bad MAC address"); - /* nvm words are little endian, *except* the mac address. swap bytes */ - for (int w = 0; w < 3; w++) { - uint8_t *b = (uint8_t *) &mac[w]; - b[0] ^= b[1]; - b[1] ^= b[0]; - b[0] ^= b[1]; - } - for (int partnum = 0; partnum < 2; partnum++) { if (!validChecksum(partnum)) continue; for (int w = 0; w < 3; w++) setWord(w, partnum, mac[w]); /* do not use memcpy! */ + byteswap(6, partnum); /* mac words are stored big-endian */ part = partnum; cmd_setchecksum(); } |