diff options
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/mainboard.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/mainboard/siemens/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/mainboard.c index ff0cc597bc..9540d6dca2 100644 --- a/src/mainboard/siemens/mc_apl1/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/mainboard.c @@ -35,15 +35,13 @@ */ static uint8_t is_mac_adr_valid(uint8_t mac[MAC_ADDR_LEN]) { - uint8_t buf[MAC_ADDR_LEN]; - - memset(buf, 0, sizeof(buf)); - if (!memcmp(buf, mac, sizeof(buf))) - return 0; - memset(buf, 0xff, sizeof(buf)); - if (!memcmp(buf, mac, sizeof(buf))) - return 0; - return 1; + for (size_t i = 0; i < MAC_ADDR_LEN; i++) { + if (mac[i] != 0x00 && mac[i] != 0xff) + return 1; + if (mac[i] != mac[0]) + return 1; + } + return 0; } /** \brief This function will search for a MAC address which can be assigned |