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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: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-10-12 09:06:34 -07:00
parent 20c3d9e45b
commit 5a1b7e1a53
8 changed files with 10 additions and 10 deletions
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2
net/ipv4/ip_gre.c
View File

@ -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;

2
net/ipv4/ip_tunnel.c
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@ -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);

2
net/ipv4/ip_vti.c
View File

@ -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;

2
net/ipv4/ipip.c
View File

@ -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;

4
net/ipv6/ip6_gre.c
View File

@ -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))

2
net/ipv6/ip6_tunnel.c
View File

@ -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 */

2
net/ipv6/ip6_vti.c
View File

@ -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 |

4
net/ipv6/sit.c
View File

@ -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;