* exit hook.
  */
 static int l2tp_tunnel_sock_create(struct net *net,
-                               u32 tunnel_id,
-                               u32 peer_tunnel_id,
-                               struct l2tp_tunnel_cfg *cfg,
-                               struct socket **sockp)
+                                  u32 tunnel_id,
+                                  u32 peer_tunnel_id,
+                                  struct l2tp_tunnel_cfg *cfg,
+                                  struct socket **sockp)
 {
        int err = -EINVAL;
        struct socket *sock = NULL;
                        struct sockaddr_l2tpip6 ip6_addr = {0};
 
                        err = sock_create_kern(net, AF_INET6, SOCK_DGRAM,
-                                         IPPROTO_L2TP, &sock);
+                                              IPPROTO_L2TP, &sock);
                        if (err < 0)
                                goto out;
 
                        struct sockaddr_l2tpip ip_addr = {0};
 
                        err = sock_create_kern(net, AF_INET, SOCK_DGRAM,
-                                         IPPROTO_L2TP, &sock);
+                                              IPPROTO_L2TP, &sock);
                        if (err < 0)
                                goto out;
 
 
                        const struct ipv6_pinfo *np = inet6_sk(tunnel->sock);
 
                        seq_printf(m, " from %pI6c to %pI6c\n",
-                               &np->saddr, &tunnel->sock->sk_v6_daddr);
+                                  &np->saddr, &tunnel->sock->sk_v6_daddr);
                } else
 #endif
                seq_printf(m, " from %pI4 to %pI4\n",
 
        int err = 0;
 
        pde = proc_create_net("pppol2tp", 0444, net->proc_net,
-                       &pppol2tp_seq_ops, sizeof(struct pppol2tp_seq_data));
+                             &pppol2tp_seq_ops, sizeof(struct pppol2tp_seq_data));
        if (!pde) {
                err = -ENOMEM;
                goto out;