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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/net/ipv6/udplite.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
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  *              See also net/ipv4/udplite.c
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@@ -6,25 +7,29 @@
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  *
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  *  Changes:
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  *  Fixes:
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- *		This program is free software; you can redistribute it and/or
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- *		modify it under the terms of the GNU General Public License
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- *		as published by the Free Software Foundation; either version
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- *		2 of the License, or (at your option) any later version.
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  */
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 #include <linux/export.h>
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 #include <linux/proc_fs.h>
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 #include "udp_impl.h"
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+
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+static int udplitev6_sk_init(struct sock *sk)
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+{
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+	udpv6_init_sock(sk);
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+	udp_sk(sk)->pcflag = UDPLITE_BIT;
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+	return 0;
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+}
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 static int udplitev6_rcv(struct sk_buff *skb)
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 {
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 	return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
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 }
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-static void udplitev6_err(struct sk_buff *skb,
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+static int udplitev6_err(struct sk_buff *skb,
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 			  struct inet6_skb_parm *opt,
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 			  u8 type, u8 code, int offset, __be32 info)
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 {
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-	__udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
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+	return __udp6_lib_err(skb, opt, type, code, offset, info,
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+			      &udplite_table);
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 }
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 static const struct inet6_protocol udplitev6_protocol = {
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@@ -40,7 +45,7 @@
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 	.connect	   = ip6_datagram_connect,
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 	.disconnect	   = udp_disconnect,
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 	.ioctl		   = udp_ioctl,
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-	.init		   = udplite_sk_init,
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+	.init		   = udplitev6_sk_init,
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 	.destroy	   = udpv6_destroy_sock,
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 	.setsockopt	   = udpv6_setsockopt,
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 	.getsockopt	   = udpv6_getsockopt,
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@@ -48,15 +53,14 @@
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 	.recvmsg	   = udpv6_recvmsg,
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 	.hash		   = udp_lib_hash,
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 	.unhash		   = udp_lib_unhash,
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+	.rehash		   = udp_v6_rehash,
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 	.get_port	   = udp_v6_get_port,
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 	.memory_allocated  = &udp_memory_allocated,
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 	.sysctl_mem	   = sysctl_udp_mem,
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+	.sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_udp_wmem_min),
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+	.sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_udp_rmem_min),
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 	.obj_size	   = sizeof(struct udp6_sock),
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 	.h.udp_table	   = &udplite_table,
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-#ifdef CONFIG_COMPAT
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-	.compat_setsockopt = compat_udpv6_setsockopt,
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-	.compat_getsockopt = compat_udpv6_getsockopt,
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-#endif
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 };
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 static struct inet_protosw udplite6_protosw = {