From 3406ebbb75cd98fd4c0adfdec199a3b942033408 Mon Sep 17 00:00:00 2001
From: Ayush Ranjan <ayushranjan@google.com>
Date: Sat, 16 Dec 2023 09:46:14 -0800
Subject: [PATCH] Remove unused gonet.UDPConn.stack field.

Fixes #7894

PiperOrigin-RevId: 591533496
---
 pkg/tcpip/adapters/gonet/gonet.go      | 14 ++++++--------
 pkg/tcpip/adapters/gonet/gonet_test.go |  2 +-
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/pkg/tcpip/adapters/gonet/gonet.go b/pkg/tcpip/adapters/gonet/gonet.go
index 5e91f3dd5..7dab48cc6 100644
--- a/pkg/tcpip/adapters/gonet/gonet.go
+++ b/pkg/tcpip/adapters/gonet/gonet.go
@@ -546,17 +546,15 @@ func DialContextTCP(ctx context.Context, s *stack.Stack, addr tcpip.FullAddress,
 type UDPConn struct {
 	deadlineTimer
 
-	stack *stack.Stack
-	ep    tcpip.Endpoint
-	wq    *waiter.Queue
+	ep tcpip.Endpoint
+	wq *waiter.Queue
 }
 
 // NewUDPConn creates a new UDPConn.
-func NewUDPConn(s *stack.Stack, wq *waiter.Queue, ep tcpip.Endpoint) *UDPConn {
+func NewUDPConn(wq *waiter.Queue, ep tcpip.Endpoint) *UDPConn {
 	c := &UDPConn{
-		stack: s,
-		ep:    ep,
-		wq:    wq,
+		ep: ep,
+		wq: wq,
 	}
 	c.deadlineTimer.init()
 	return c
@@ -586,7 +584,7 @@ func DialUDP(s *stack.Stack, laddr, raddr *tcpip.FullAddress, network tcpip.Netw
 		}
 	}
 
-	c := NewUDPConn(s, &wq, ep)
+	c := NewUDPConn(&wq, ep)
 
 	if raddr != nil {
 		if err := c.ep.Connect(*raddr); err != nil {
diff --git a/pkg/tcpip/adapters/gonet/gonet_test.go b/pkg/tcpip/adapters/gonet/gonet_test.go
index 43bf263c7..c3ed4636d 100644
--- a/pkg/tcpip/adapters/gonet/gonet_test.go
+++ b/pkg/tcpip/adapters/gonet/gonet_test.go
@@ -489,7 +489,7 @@ func TestUDPForwarder(t *testing.T) {
 		}
 		defer ep.Close()
 
-		c := NewUDPConn(s, &wq, ep)
+		c := NewUDPConn(&wq, ep)
 
 		buf := make([]byte, 256)
 		n, e := c.Read(buf)