1 files changed, 21 insertions, 19 deletions

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index bf64b4191dcc..d1292fe746bc 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -564,7 +564,7 @@ static void vxlan_notify_add_rx_port(struct sock *sk)
         struct net_device *dev;
         struct net *net = sock_net(sk);
         sa_family_t sa_family = sk->sk_family;
-        u16 port = htons(inet_sk(sk)->inet_sport);
+        __be16 port = inet_sk(sk)->inet_sport;
 
         rcu_read_lock();
         for_each_netdev_rcu(net, dev) {
@@ -581,7 +581,7 @@ static void vxlan_notify_del_rx_port(struct sock *sk)
         struct net_device *dev;
         struct net *net = sock_net(sk);
         sa_family_t sa_family = sk->sk_family;
-        u16 port = htons(inet_sk(sk)->inet_sport);
+        __be16 port = inet_sk(sk)->inet_sport;
 
         rcu_read_lock();
         for_each_netdev_rcu(net, dev) {
@@ -2021,7 +2021,8 @@ static struct device_type vxlan_type = {
 };
 
 /* Calls the ndo_add_vxlan_port of the caller in order to
- * supply the listening VXLAN udp ports.
+ * supply the listening VXLAN udp ports. Callers are expected
+ * to implement the ndo_add_vxlan_port.
  */
 void vxlan_get_rx_port(struct net_device *dev)
 {
@@ -2029,16 +2030,13 @@ void vxlan_get_rx_port(struct net_device *dev)
         struct net *net = dev_net(dev);
         struct vxlan_net *vn = net_generic(net, vxlan_net_id);
         sa_family_t sa_family;
-        u16 port;
-        int i;
-
-        if (!dev || !dev->netdev_ops || !dev->netdev_ops->ndo_add_vxlan_port)
-                return;
+        __be16 port;
+        unsigned int i;
 
         spin_lock(&vn->sock_lock);
         for (i = 0; i < PORT_HASH_SIZE; ++i) {
-                hlist_for_each_entry_rcu(vs, vs_head(net, i), hlist) {
-                        port = htons(inet_sk(vs->sock->sk)->inet_sport);
+                hlist_for_each_entry_rcu(vs, &vn->sock_list[i], hlist) {
+                        port = inet_sk(vs->sock->sk)->inet_sport;
                         sa_family = vs->sock->sk->sk_family;
                         dev->netdev_ops->ndo_add_vxlan_port(dev, sa_family,
                                                             port);
@@ -2492,15 +2490,19 @@ static int vxlan_newlink(struct net *net, struct net_device *dev,
 
         SET_ETHTOOL_OPS(dev, &vxlan_ethtool_ops);
 
-        /* create an fdb entry for default destination */
-        err = vxlan_fdb_create(vxlan, all_zeros_mac,
-                               &vxlan->default_dst.remote_ip,
-                               NUD_REACHABLE|NUD_PERMANENT,
-                               NLM_F_EXCL|NLM_F_CREATE,
-                               vxlan->dst_port, vxlan->default_dst.remote_vni,
-                               vxlan->default_dst.remote_ifindex, NTF_SELF);
-        if (err)
-                return err;
+        /* create an fdb entry for a valid default destination */
+        if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) {
+                err = vxlan_fdb_create(vxlan, all_zeros_mac,
+                                       &vxlan->default_dst.remote_ip,
+                                       NUD_REACHABLE|NUD_PERMANENT,
+                                       NLM_F_EXCL|NLM_F_CREATE,
+                                       vxlan->dst_port,
+                                       vxlan->default_dst.remote_vni,
+                                       vxlan->default_dst.remote_ifindex,
+                                       NTF_SELF);
+                if (err)
+                        return err;
+        }
 
         err = register_netdevice(dev);
         if (err) {