diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index b7174133..f32350ba 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -246,18 +246,22 @@ readGbe(void) void cmd_setmac(void) { + int mac_updated = 0; parseMacString(strMac, mac); for (int partnum = 0; partnum < 2; partnum++) { if (!goodChecksum(part = partnum)) continue; - errno = 0; + mac_updated = 1; for (int w = 0; w < 3; w++) /* write MAC to gbe part */ setWord(w, partnum, mac[w]); cmd_setchecksum(); /* MAC updated; need valid checksum */ } + + if (mac_updated) + errno = 0; /* reset in case one of the checksums failed */ } /* parse MAC string, write to char buffer */ |