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| author | Leah Rowe <leah@libreboot.org> | 2023-04-06 19:41:53 +0100 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2023-04-06 19:41:53 +0100 |
| commit | 9372ae3ddcb63377b1ab0b77e4db4086deef3244 (patch) | |
| tree | fdc8eb34955cfb5649d80f76a282885ebcfb09ca /util | |
| parent | d3ad50dcb48a104031f6cfdf022f787c3a58ec42 (diff) | |
util/nvmutil: one more comment
Diffstat (limited to 'util')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index b77b28a..a58f66a 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -225,9 +225,10 @@ parseMacAddress(const char *strMac, uint16_t *mac) for (int nib = 0; nib < 2; nib++, total += h) { if ((h = hextonum(strMac[i + nib])) > 15) return -1; + /* ensure local, unicast mac address if random: */ if ((byte == 0) && (nib == 1)) if (strMac[i + nib] == '?') - h = (h & 0xE) | 2; + h = (h & 0xE) | 2; /* local, unicast */ mac[byte >> 1] |= ((uint16_t ) h) << ((8 * ((byte % 2) ^ 1)) + (4 * (nib ^ 1))); } |