Disable UPD Lite - method 2 (fixed)

diff '--color=auto' -u20 -r a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
--- a/net/ipv4/af_inet.c    2026-06-09 13:28:53.000000000 +0300
+++ b/net/ipv4/af_inet.c    2026-06-15 16:27:15.810080729 +0300
@@ -1959,41 +1959,41 @@

    arp_init();

    /*
     *  Set the IP module up
     */

    ip_init();

    /* Initialise per-cpu ipv4 mibs */
    if (init_ipv4_mibs())
        panic("%s: Cannot init ipv4 mibs\n", __func__);

    /* Setup TCP slab cache for open requests. */
    tcp_init();

    /* Setup UDP memory threshold */
    udp_init();

    /* Add UDP-Lite (RFC 3828) */
-   udplite4_register();
+   // udplite4_register();

    raw_init();

    ping_init();

    /*
     *  Set the ICMP layer up
     */

    if (icmp_init() < 0)
        panic("Failed to create the ICMP control socket.\n");

    /*
     *  Initialise the multicast router
     */
 #if defined(CONFIG_IP_MROUTE)
    if (ip_mr_init())
        pr_crit("%s: Cannot init ipv4 mroute\n", __func__);
 #endif

diff '--color=auto' -u20 -r a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
--- a/net/ipv6/af_inet6.c   2026-06-09 13:28:53.000000000 +0300
+++ b/net/ipv6/af_inet6.c   2026-06-15 16:27:47.118081323 +0300
@@ -1079,43 +1079,43 @@

    /* Register the socket-side information for inet6_create.  */
    for (r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
        INIT_LIST_HEAD(r);

    raw_hashinfo_init(&raw_v6_hashinfo);

    if (disable_ipv6_mod) {
        pr_info("Loaded, but administratively disabled, reboot required to enable\n");
        goto out;
    }

    err = proto_register(&tcpv6_prot, 1);
    if (err)
        goto out;

    err = proto_register(&udpv6_prot, 1);
    if (err)
        goto out_unregister_tcp_proto;

-   err = proto_register(&udplitev6_prot, 1);
-   if (err)
-       goto out_unregister_udp_proto;
+   // err = proto_register(&udplitev6_prot, 1);
+   // if (err)
+   //  goto out_unregister_udp_proto;

    err = proto_register(&rawv6_prot, 1);
    if (err)
        goto out_unregister_udplite_proto;

    err = proto_register(&pingv6_prot, 1);
    if (err)
        goto out_unregister_raw_proto;

    /* We MUST register RAW sockets before we create the ICMP6,
     * IGMP6, or NDISC control sockets.
     */
    err = rawv6_init();
    if (err)
        goto out_unregister_ping_proto;

    /* Register the family here so that the init calls below will
     * be able to create sockets. (?? is this dangerous ??)
     */
    err = sock_register(&inet6_family_ops);
@@ -1296,30 +1296,30 @@
 netfilter_fail:
    igmp6_cleanup();
 igmp_fail:
    ndisc_cleanup();
 ndisc_fail:
    icmpv6_cleanup();
 icmp_fail:
    ip6_mr_cleanup();
 ipmr_fail:
    unregister_pernet_subsys(&inet6_net_ops);
 register_pernet_fail:
    sock_unregister(PF_INET6);
    rtnl_unregister_all(PF_INET6);
 out_sock_register_fail:
    rawv6_exit();
 out_unregister_ping_proto:
    proto_unregister(&pingv6_prot);
 out_unregister_raw_proto:
    proto_unregister(&rawv6_prot);
 out_unregister_udplite_proto:
-   proto_unregister(&udplitev6_prot);
+   // proto_unregister(&udplitev6_prot);
 out_unregister_udp_proto:
    proto_unregister(&udpv6_prot);
 out_unregister_tcp_proto:
    proto_unregister(&tcpv6_prot);
    goto out;
 }
 module_init(inet6_init);

 MODULE_ALIAS_NETPROTO(PF_INET6);