1 files changed, 18 insertions, 20 deletions

diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index 85ebd2b7e446..7511bca9c15e 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -240,12 +240,6 @@ static int bareudp_socket_create(struct bareudp_dev *bareudp, __be16 port)
 	tunnel_cfg.encap_destroy = NULL;
 	setup_udp_tunnel_sock(bareudp->net, sock, &tunnel_cfg);
 
-	/* As the setup_udp_tunnel_sock does not call udp_encap_enable if the
-	 * socket type is v6 an explicit call to udp_encap_enable is needed.
-	 */
-	if (sock->sk->sk_family == AF_INET6)
-		udp_encap_enable();
-
 	rcu_assign_pointer(bareudp->sock, sock);
 	return 0;
 }
@@ -380,7 +374,7 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
 		goto free_dst;
 
 	min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len +
-		BAREUDP_BASE_HLEN + info->options_len + sizeof(struct iphdr);
+		BAREUDP_BASE_HLEN + info->options_len + sizeof(struct ipv6hdr);
 
 	err = skb_cow_head(skb, min_headroom);
 	if (unlikely(err))
@@ -532,10 +526,12 @@ static void bareudp_setup(struct net_device *dev)
 	dev->netdev_ops = &bareudp_netdev_ops;
 	dev->needs_free_netdev = true;
 	SET_NETDEV_DEVTYPE(dev, &bareudp_type);
-	dev->features    |= NETIF_F_SG | NETIF_F_HW_CSUM;
+	dev->features    |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST;
 	dev->features    |= NETIF_F_RXCSUM;
+	dev->features    |= NETIF_F_LLTX;
 	dev->features    |= NETIF_F_GSO_SOFTWARE;
-	dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
+	dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_FRAGLIST;
+	dev->hw_features |= NETIF_F_RXCSUM;
 	dev->hw_features |= NETIF_F_GSO_SOFTWARE;
 	dev->hard_header_len = 0;
 	dev->addr_len = 0;
@@ -644,6 +640,14 @@ static int bareudp_link_config(struct net_device *dev,
 	return 0;
 }
 
+static void bareudp_dellink(struct net_device *dev, struct list_head *head)
+{
+	struct bareudp_dev *bareudp = netdev_priv(dev);
+
+	list_del(&bareudp->next);
+	unregister_netdevice_queue(dev, head);
+}
+
 static int bareudp_newlink(struct net *net, struct net_device *dev,
 			   struct nlattr *tb[], struct nlattr *data[],
 			   struct netlink_ext_ack *extack)
@@ -661,17 +665,13 @@ static int bareudp_newlink(struct net *net, struct net_device *dev,
 
 	err = bareudp_link_config(dev, tb);
 	if (err)
-		return err;
+		goto err_unconfig;
 
 	return 0;
-}
 
-static void bareudp_dellink(struct net_device *dev, struct list_head *head)
-{
-	struct bareudp_dev *bareudp = netdev_priv(dev);
-
-	list_del(&bareudp->next);
-	unregister_netdevice_queue(dev, head);
+err_unconfig:
+	bareudp_dellink(dev, NULL);
+	return err;
 }
 
 static size_t bareudp_get_size(const struct net_device *dev)
@@ -722,7 +722,6 @@ struct net_device *bareudp_dev_create(struct net *net, const char *name,
 {
 	struct nlattr *tb[IFLA_MAX + 1];
 	struct net_device *dev;
-	LIST_HEAD(list_kill);
 	int err;
 
 	memset(tb, 0, sizeof(tb));
@@ -746,8 +745,7 @@ struct net_device *bareudp_dev_create(struct net *net, const char *name,
 
 	return dev;
 err:
-	bareudp_dellink(dev, &list_kill);
-	unregister_netdevice_many(&list_kill);
+	bareudp_dellink(dev, NULL);
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(bareudp_dev_create);