From 3f89900bf1a40ce033e7b1b3f9ba5830669a2360 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Wed, 7 Dec 2022 12:27:15 -0800
Subject: [PATCH] udp6: fix build with INET6 and without INVARIANTS

Reported by:	Michael Butler <imb protected-networks.net>
Fixes:		483fe96511ec02a3f077f9a59f1a96acb3640dea
---
 sys/netinet6/udp6_usrreq.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c
index 484f43d24808..df5e56076218 100644
--- a/sys/netinet6/udp6_usrreq.c
+++ b/sys/netinet6/udp6_usrreq.c
@@ -1202,14 +1202,11 @@ static void
 udp6_detach(struct socket *so)
 {
 	struct inpcb *inp;
-	struct udpcb *up;
 
 	inp = sotoinpcb(so);
 	KASSERT(inp != NULL, ("udp6_detach: inp == NULL"));
 
 	INP_WLOCK(inp);
-	up = intoudpcb(inp);
-	KASSERT(up != NULL, ("%s: up == NULL", __func__));
 	in_pcbdetach(inp);
 	in_pcbfree(inp);
 }