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path: root/net/ipv6/ip6_tunnel.c
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Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a7950baa05e5..288bafded998 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -266,7 +266,6 @@ static int ip6_tnl_create2(struct net_device *dev)
strcpy(t->parms.name, dev->name);
- dev_hold(dev);
ip6_tnl_link(ip6n, t);
return 0;
@@ -388,7 +387,7 @@ ip6_tnl_dev_uninit(struct net_device *dev)
}
/**
- * parse_tvl_tnl_enc_lim - handle encapsulation limit option
+ * ip6_tnl_parse_tlv_enc_lim - handle encapsulation limit option
* @skb: received socket buffer
* @raw: the ICMPv6 error message data
*
@@ -1332,8 +1331,8 @@ ipxip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev,
tel = (void *)&skb_network_header(skb)[offset];
if (tel->encap_limit == 0) {
- icmpv6_send(skb, ICMPV6_PARAMPROB,
- ICMPV6_HDR_FIELD, offset + 2);
+ icmpv6_ndo_send(skb, ICMPV6_PARAMPROB,
+ ICMPV6_HDR_FIELD, offset + 2);
return -1;
}
encap_limit = tel->encap_limit - 1;
@@ -1385,11 +1384,11 @@ ipxip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev,
if (err == -EMSGSIZE)
switch (protocol) {
case IPPROTO_IPIP:
- icmp_send(skb, ICMP_DEST_UNREACH,
- ICMP_FRAG_NEEDED, htonl(mtu));
+ icmp_ndo_send(skb, ICMP_DEST_UNREACH,
+ ICMP_FRAG_NEEDED, htonl(mtu));
break;
case IPPROTO_IPV6:
- icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+ icmpv6_ndo_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
break;
default:
break;
@@ -1882,6 +1881,7 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
dev->min_mtu = ETH_MIN_MTU;
dev->max_mtu = IP6_MAX_MTU - dev->hard_header_len;
+ dev_hold(dev);
return 0;
destroy_dst:
@@ -1925,7 +1925,6 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
t->parms.proto = IPPROTO_IPV6;
- dev_hold(dev);
rcu_assign_pointer(ip6n->tnls_wc[0], t);
return 0;
@@ -2244,6 +2243,16 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct net *net, struct list_head
t = rtnl_dereference(t->next);
}
}
+
+ t = rtnl_dereference(ip6n->tnls_wc[0]);
+ while (t) {
+ /* If dev is in the same netns, it has already
+ * been added to the list by the previous loop.
+ */
+ if (!net_eq(dev_net(t->dev), net))
+ unregister_netdevice_queue(t->dev, list);
+ t = rtnl_dereference(t->next);
+ }
}
static int __net_init ip6_tnl_init_net(struct net *net)