net: cosmetic: Do not use magic values for ARP_HLEN

[people/ms/u-boot.git] / net / eth-uclass.c

diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 1d130110890ec402048fea58eb1a52461e9899a0..140e47d52d3cdb09502ac22414eb66d797aa3481 100644 (file)
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -230,7 +230,7 @@ static int on_ethaddr(const char *name, const char *value, enum env_op op,
                        eth_write_hwaddr(dev);
                        break;
                case env_op_delete:
-                       memset(pdata->enetaddr, 0, 6);
+                       memset(pdata->enetaddr, 0, ARP_HLEN);
                }
        }
 
@@ -458,7 +458,7 @@ static int eth_post_probe(struct udevice *dev)
 {
        struct eth_device_priv *priv = dev->uclass_priv;
        struct eth_pdata *pdata = dev->platdata;
-       unsigned char env_enetaddr[6];
+       unsigned char env_enetaddr[ARP_HLEN];
 
 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
        struct eth_ops *ops = eth_get_ops(dev);
@@ -497,7 +497,7 @@ static int eth_post_probe(struct udevice *dev)
        eth_getenv_enetaddr_by_index("eth", dev->seq, env_enetaddr);
        if (!is_zero_ethaddr(env_enetaddr)) {
                if (!is_zero_ethaddr(pdata->enetaddr) &&
-                   memcmp(pdata->enetaddr, env_enetaddr, 6)) {
+                   memcmp(pdata->enetaddr, env_enetaddr, ARP_HLEN)) {
                        printf("\nWarning: %s MAC addresses don't match:\n",
                               dev->name);
                        printf("Address in SROM is         %pM\n",
@@ -507,7 +507,7 @@ static int eth_post_probe(struct udevice *dev)
                }
 
                /* Override the ROM MAC address */
-               memcpy(pdata->enetaddr, env_enetaddr, 6);
+               memcpy(pdata->enetaddr, env_enetaddr, ARP_HLEN);
        } else if (is_valid_ethaddr(pdata->enetaddr)) {
                eth_setenv_enetaddr_by_index("eth", dev->seq, pdata->enetaddr);
                printf("\nWarning: %s using MAC address from ROM\n",
@@ -535,7 +535,7 @@ static int eth_pre_remove(struct udevice *dev)
        eth_get_ops(dev)->stop(dev);
 
        /* clear the MAC address */
-       memset(pdata->enetaddr, 0, 6);
+       memset(pdata->enetaddr, 0, ARP_HLEN);
 
        return 0;
 }