summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/siemens/mc_apl1/mainboard.c16
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