From: Jakub Kicinski <kuba@kernel.org>
Date: Fri, 22 Oct 2021 16:20:57 -0700
Subject: net: rtnetlink: use __dev_addr_set()
Patch-mainline: v5.16-rc1
Git-commit: efd38f75bb044fc7ff2f027e9009c92bce12fbd9
References: jsc#PED-1565

Get it ready for constant netdev->dev_addr.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 net/core/rtnetlink.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3207,8 +3207,8 @@ struct net_device *rtnl_create_link(stru
 		dev->mtu = mtu;
 	}
 	if (tb[IFLA_ADDRESS]) {
-		memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
-				nla_len(tb[IFLA_ADDRESS]));
+		__dev_addr_set(dev, nla_data(tb[IFLA_ADDRESS]),
+			       nla_len(tb[IFLA_ADDRESS]));
 		dev->addr_assign_type = NET_ADDR_SET;
 	}
 	if (tb[IFLA_BROADCAST])