diff options
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 38673d2860e..6ef66af1229 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -730,15 +730,16 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev if (skb->protocol == htons(ETH_P_IP)) { rt = skb_rtable(skb); - if ((dst = rt->rt_gateway) == 0) - goto tx_error_icmp; + dst = rt->rt_gateway; } #if IS_ENABLED(CONFIG_IPV6) else if (skb->protocol == htons(ETH_P_IPV6)) { - struct neighbour *neigh = dst_get_neighbour_noref(skb_dst(skb)); const struct in6_addr *addr6; + struct neighbour *neigh; + bool do_tx_error_icmp; int addr_type; + neigh = dst_neigh_lookup(skb_dst(skb), &ipv6_hdr(skb)->daddr); if (neigh == NULL) goto tx_error; @@ -751,9 +752,14 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev } if ((addr_type & IPV6_ADDR_COMPATv4) == 0) + do_tx_error_icmp = true; + else { + do_tx_error_icmp = false; + dst = addr6->s6_addr32[3]; + } + neigh_release(neigh); + if (do_tx_error_icmp) goto tx_error_icmp; - - dst = addr6->s6_addr32[3]; } #endif else @@ -914,9 +920,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev __IPTUNNEL_XMIT(tstats, &dev->stats); return NETDEV_TX_OK; +#if IS_ENABLED(CONFIG_IPV6) tx_error_icmp: dst_link_failure(skb); - +#endif tx_error: dev->stats.tx_errors++; dev_kfree_skb(skb); @@ -1529,7 +1536,7 @@ static int ipgre_newlink(struct net *src_net, struct net_device *dev, struct nla return -EEXIST; if (dev->type == ARPHRD_ETHER && !tb[IFLA_ADDRESS]) - random_ether_addr(dev->dev_addr); + eth_hw_addr_random(dev); mtu = ipgre_tunnel_bind_dev(dev); if (!tb[IFLA_MTU]) |