ip: use dev_addr_set() in tunnels

Use dev_addr_set() instead of writing to netdev->dev_addr
directly in ip tunnels drivers.
Signed-off-by: NJakub Kicinski <kuba@kernel.org>

net/ipv4/ip_gre.c

@@ -986,7 +986,7 @@ static int ipgre_tunnel_init(struct net_device *dev)
 
 	__gre_tunnel_init(dev);
 
-	memcpy(dev->dev_addr, &iph->saddr, 4);
+	__dev_addr_set(dev, &iph->saddr, 4);
 	memcpy(dev->broadcast, &iph->daddr, 4);
 
 	dev->flags		= IFF_NOARP;

net/ipv4/ip_tunnel.c

@@ -834,7 +834,7 @@ static void ip_tunnel_update(struct ip_tunnel_net *itn,
 	t->parms.i_key = p->i_key;
 	t->parms.o_key = p->o_key;
 	if (dev->type != ARPHRD_ETHER) {
-		memcpy(dev->dev_addr, &p->iph.saddr, 4);
+		__dev_addr_set(dev, &p->iph.saddr, 4);
 		memcpy(dev->broadcast, &p->iph.daddr, 4);
 	}
 	ip_tunnel_add(itn, t);

net/ipv4/ip_vti.c

@@ -425,7 +425,7 @@ static int vti_tunnel_init(struct net_device *dev)
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 	struct iphdr *iph = &tunnel->parms.iph;
 
-	memcpy(dev->dev_addr, &iph->saddr, 4);
+	__dev_addr_set(dev, &iph->saddr, 4);
 	memcpy(dev->broadcast, &iph->daddr, 4);
 
 	dev->flags		= IFF_NOARP;

net/ipv4/ipip.c

@@ -380,7 +380,7 @@ static int ipip_tunnel_init(struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
-	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
+	__dev_addr_set(dev, &tunnel->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
 
 	tunnel->tun_hlen = 0;

net/ipv6/ip6_gre.c

@@ -1088,7 +1088,7 @@ static void ip6gre_tnl_link_config_common(struct ip6_tnl *t)
 	struct flowi6 *fl6 = &t->fl.u.ip6;
 
 	if (dev->type != ARPHRD_ETHER) {
-		memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+		__dev_addr_set(dev, &p->laddr, sizeof(struct in6_addr));
 		memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
 	}
 
@@ -1521,7 +1521,7 @@ static int ip6gre_tunnel_init(struct net_device *dev)
 	if (tunnel->parms.collect_md)
 		return 0;
 
-	memcpy(dev->dev_addr, &tunnel->parms.laddr, sizeof(struct in6_addr));
+	__dev_addr_set(dev, &tunnel->parms.laddr, sizeof(struct in6_addr));
 	memcpy(dev->broadcast, &tunnel->parms.raddr, sizeof(struct in6_addr));
 
 	if (ipv6_addr_any(&tunnel->parms.raddr))

net/ipv6/ip6_tunnel.c

@@ -1449,7 +1449,7 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
 	unsigned int mtu;
 	int t_hlen;
 
-	memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+	__dev_addr_set(dev, &p->laddr, sizeof(struct in6_addr));
 	memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
 
 	/* Set up flowi template */

net/ipv6/ip6_vti.c

@@ -660,7 +660,7 @@ static void vti6_link_config(struct ip6_tnl *t, bool keep_mtu)
 	struct net_device *tdev = NULL;
 	int mtu;
 
-	memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+	__dev_addr_set(dev, &p->laddr, sizeof(struct in6_addr));
 	memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
 
 	p->flags &= ~(IP6_TNL_F_CAP_XMIT | IP6_TNL_F_CAP_RCV |

net/ipv6/sit.c

@@ -204,7 +204,7 @@ static int ipip6_tunnel_create(struct net_device *dev)
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 	int err;
 
-	memcpy(dev->dev_addr, &t->parms.iph.saddr, 4);
+	__dev_addr_set(dev, &t->parms.iph.saddr, 4);
 	memcpy(dev->broadcast, &t->parms.iph.daddr, 4);
 
 	if ((__force u16)t->parms.i_flags & SIT_ISATAP)
@@ -1149,7 +1149,7 @@ static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p,
 	synchronize_net();
 	t->parms.iph.saddr = p->iph.saddr;
 	t->parms.iph.daddr = p->iph.daddr;
-	memcpy(t->dev->dev_addr, &p->iph.saddr, 4);
+	__dev_addr_set(t->dev, &p->iph.saddr, 4);
 	memcpy(t->dev->broadcast, &p->iph.daddr, 4);
 	ipip6_tunnel_link(sitn, t);
 	t->parms.iph.ttl = p->iph.ttl;