i40e/i40evf: User ether_addr_copy instead of memcpy

Linux gives us a function to copy Ethernet MAC addresses, let's use it.

Change-ID: I0c861900029ca5ea65a53ca39565852fb633f6fd
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

4 files changed, 18 insertions, 21 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 211684ce113a..e3916d00d403 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1202,7 +1202,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
                 if (!f)
                         goto add_filter_out;
 
-                memcpy(f->macaddr, macaddr, ETH_ALEN);
+                ether_addr_copy(f->macaddr, macaddr);
                 f->vlan = vlan;
                 f->changed = true;
 
@@ -1326,7 +1326,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
                         return -EADDRNOTAVAIL;
                 }
 
-                memcpy(vsi->back->hw.mac.addr, addr->sa_data, netdev->addr_len);
+                ether_addr_copy(vsi->back->hw.mac.addr, addr->sa_data);
         }
 
         /* In order to be sure to not drop any packets, add the new address
@@ -1340,7 +1340,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
         i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false);
         i40e_sync_vsi_filters(vsi);
 
-        memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+        ether_addr_copy(netdev->dev_addr, addr->sa_data);
 
         return 0;
 }
@@ -1597,8 +1597,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                         cmd_flags = 0;
 
                         /* add to delete list */
-                        memcpy(del_list[num_del].mac_addr,
-                               f->macaddr, ETH_ALEN);
+                        ether_addr_copy(del_list[num_del].mac_addr, f->macaddr);
                         del_list[num_del].vlan_tag =
                                 cpu_to_le16((u16)(f->vlan ==
                                             I40E_VLAN_ANY ? 0 : f->vlan));
@@ -1663,8 +1662,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                         cmd_flags = 0;
 
                         /* add to add array */
-                        memcpy(add_list[num_add].mac_addr,
-                               f->macaddr, ETH_ALEN);
+                        ether_addr_copy(add_list[num_add].mac_addr, f->macaddr);
                         add_list[num_add].vlan_tag =
                                 cpu_to_le16(
                                  (u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan));
@@ -7003,7 +7001,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
 
         if (vsi->type == I40E_VSI_MAIN) {
                 SET_NETDEV_DEV(netdev, &pf->pdev->dev);
-                memcpy(mac_addr, hw->mac.perm_addr, ETH_ALEN);
+                ether_addr_copy(mac_addr, hw->mac.perm_addr);
                 /* The following two steps are necessary to prevent reception
                  * of tagged packets - by default the NVM loads a MAC-VLAN
                  * filter that will accept any tagged packet.  This is to
@@ -7021,8 +7019,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
         }
         i40e_add_filter(vsi, brdcast, I40E_VLAN_ANY, false, false);
 
-        memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
-        memcpy(netdev->perm_addr, mac_addr, ETH_ALEN);
+        ether_addr_copy(netdev->dev_addr, mac_addr);
+        ether_addr_copy(netdev->perm_addr, mac_addr);
         /* vlan gets same features (except vlan offload)
          * after any tweaks for specific VSI types
          */
@@ -8524,7 +8522,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_mac_addr;
         }
         dev_info(&pdev->dev, "MAC address: %pM\n", hw->mac.addr);
-        memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN);
+        ether_addr_copy(hw->mac.perm_addr, hw->mac.addr);
 
         pci_set_drvdata(pdev, pf);
         pci_save_state(pdev);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index d9d045667a9e..f5b9d2062573 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2075,7 +2075,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
                 ret = -EIO;
                 goto error_param;
         }
-        memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN);
+        ether_addr_copy(vf->default_lan_addr.addr, mac);
         vf->pf_set_mac = true;
         dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
         ret = 0;
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index f454b58cad2e..8f681caed591 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -772,7 +772,7 @@ i40evf_mac_filter *i40evf_add_filter(struct i40evf_adapter *adapter,
                         return NULL;
                 }
 
-                memcpy(f->macaddr, macaddr, ETH_ALEN);
+                ether_addr_copy(f->macaddr, macaddr);
 
                 list_add(&f->list, &adapter->mac_filter_list);
                 f->add = true;
@@ -805,9 +805,8 @@ static int i40evf_set_mac(struct net_device *netdev, void *p)
 
         f = i40evf_add_filter(adapter, addr->sa_data);
         if (f) {
-                memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
-                memcpy(netdev->dev_addr, adapter->hw.mac.addr,
-                       netdev->addr_len);
+                ether_addr_copy(hw->mac.addr, addr->sa_data);
+                ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
         }
 
         return (f == NULL) ? -ENOMEM : 0;
@@ -2059,8 +2058,8 @@ static void i40evf_init_task(struct work_struct *work)
                          adapter->hw.mac.addr);
                 random_ether_addr(adapter->hw.mac.addr);
         }
-        memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
-        memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
+        ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
+        ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr);
 
         INIT_LIST_HEAD(&adapter->mac_filter_list);
         INIT_LIST_HEAD(&adapter->vlan_filter_list);
@@ -2068,7 +2067,7 @@ static void i40evf_init_task(struct work_struct *work)
         if (NULL == f)
                 goto err_sw_init;
 
-        memcpy(f->macaddr, adapter->hw.mac.addr, ETH_ALEN);
+        ether_addr_copy(f->macaddr, adapter->hw.mac.addr);
         f->add = true;
         adapter->aq_required |= I40EVF_FLAG_AQ_ADD_MAC_FILTER;
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index 6d76f29eaac1..2dc0bac76717 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
@@ -407,7 +407,7 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
         veal->num_elements = count;
         list_for_each_entry(f, &adapter->mac_filter_list, list) {
                 if (f->add) {
-                        memcpy(veal->list[i].addr, f->macaddr, ETH_ALEN);
+                        ether_addr_copy(veal->list[i].addr, f->macaddr);
                         i++;
                         f->add = false;
                 }
@@ -468,7 +468,7 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
         veal->num_elements = count;
         list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
                 if (f->remove) {
-                        memcpy(veal->list[i].addr, f->macaddr, ETH_ALEN);
+                        ether_addr_copy(veal->list[i].addr, f->macaddr);
                         i++;
                         list_del(&f->list);
                         kfree(f);