atm: Use ether_addr_copy

Use ether_addr_copy instead of memcpy(a, b, ETH_ALEN) to
save some cycles on arm and powerpc.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 5 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index f23916be18fb..0b73ae9a1040 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -521,7 +521,7 @@ send_to_lecd(struct lec_priv *priv, atmlec_msg_type type,
         if (data != NULL)
                 mesg->sizeoftlvs = data->len;
         if (mac_addr)
-                memcpy(&mesg->content.normal.mac_addr, mac_addr, ETH_ALEN);
+                ether_addr_copy(&mesg->content.normal.mac_addr, mac_addr);
         else
                 mesg->content.normal.targetless_le_arp = 1;
         if (atm_addr)
@@ -1565,7 +1565,7 @@ static struct lec_arp_table *make_entry(struct lec_priv *priv,
                 pr_info("LEC: Arp entry kmalloc failed\n");
                 return NULL;
         }
-        memcpy(to_return->mac_addr, mac_addr, ETH_ALEN);
+        ether_addr_copy(to_return->mac_addr, mac_addr);
         INIT_HLIST_NODE(&to_return->next);
         setup_timer(&to_return->timer, lec_arp_expire_arp,
                         (unsigned long)to_return);
@@ -1887,7 +1887,8 @@ lec_arp_update(struct lec_priv *priv, const unsigned char *mac_addr,
                                         entry = tmp;
                                 } else {
                                         entry->status = ESI_FORWARD_DIRECT;
-                                        memcpy(entry->mac_addr, mac_addr, ETH_ALEN);
+                                        ether_addr_copy(entry->mac_addr,
+                                                        mac_addr);
                                         entry->last_used = jiffies;
                                         lec_arp_add(priv, entry);
                                 }
@@ -2263,7 +2264,7 @@ lec_arp_check_empties(struct lec_priv *priv,
                                   &priv->lec_arp_empty_ones, next) {
                 if (vcc == entry->vcc) {
                         del_timer(&entry->timer);
-                        memcpy(entry->mac_addr, src, ETH_ALEN);
+                        ether_addr_copy(entry->mac_addr, src);
                         entry->status = ESI_FORWARD_DIRECT;
                         entry->last_used = jiffies;
                         /* We might have got an entry */
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 3af12755cd04..b71ff6b234f2 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -478,7 +478,7 @@ static const uint8_t *copy_macs(struct mpoa_client *mpc,
                         return NULL;
                 }
         }
-        memcpy(mpc->mps_macs, router_mac, ETH_ALEN);
+        ether_addr_copy(mpc->mps_macs, router_mac);
         tlvs += 20; if (device_type == MPS_AND_MPC) tlvs += 20;
         if (mps_macs > 0)
                 memcpy(mpc->mps_macs, tlvs, mps_macs*ETH_ALEN);