wilc1000: use eth_hw_addr_set()

Commit 406f42f ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it got through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211018235021.1279697-13-kuba@kernel.org

drivers/net/wireless/microchip/wilc1000/netdev.c

@@ -111,7 +111,8 @@ static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
 	return ndev;
 }
 
-void wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
+void wilc_wlan_set_bssid(struct net_device *wilc_netdev, const u8 *bssid,
+			 u8 mode)
 {
 	struct wilc_vif *vif = netdev_priv(wilc_netdev);
 
@@ -594,10 +595,14 @@ static int wilc_mac_open(struct net_device *ndev)
 	wilc_set_operation_mode(vif, wilc_get_vif_idx(vif), vif->iftype,
 				vif->idx);
 
-	if (is_valid_ether_addr(ndev->dev_addr))
+	if (is_valid_ether_addr(ndev->dev_addr)) {
 		wilc_set_mac_address(vif, ndev->dev_addr);
-	else
-		wilc_get_mac_address(vif, ndev->dev_addr);
+	} else {
+		u8 addr[ETH_ALEN];
+
+		wilc_get_mac_address(vif, addr);
+		eth_hw_addr_set(ndev, addr);
+	}
 	netdev_dbg(ndev, "Mac address: %pM\n", ndev->dev_addr);
 
 	if (!is_valid_ether_addr(ndev->dev_addr)) {

drivers/net/wireless/microchip/wilc1000/netdev.h

@@ -287,7 +287,8 @@ void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
 void wilc_mac_indicate(struct wilc *wilc);
 void wilc_netdev_cleanup(struct wilc *wilc);
 void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
-void wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
+void wilc_wlan_set_bssid(struct net_device *wilc_netdev, const u8 *bssid,
+			 u8 mode);
 struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name,
 				      int vif_type, enum nl80211_iftype type,
 				      bool rtnl_locked);