From a67efb721f4839a8556e6d880893b76f3f6a4865 Mon Sep 17 00:00:00 2001
From: reiyawea <yfgao1009@gmail.com>
Date: Sat, 26 Sep 2020 11:33:20 +0800
Subject: [PATCH] Update socket.c

Change to "disconnect()" so as to reply FIN flag after receiving a FIN flag. Otherwise no FIN will be sent and the peer gets stuck in FIN_WAIT_2.
---
 Ethernet/socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Ethernet/socket.c b/Ethernet/socket.c
index 412a65d..e746090 100644
--- a/Ethernet/socket.c
+++ b/Ethernet/socket.c
@@ -417,7 +417,7 @@ int32_t recv(uint8_t sn, uint8_t * buf, uint16_t len)
                if(recvsize != 0) break;
                else if(getSn_TX_FSR(sn) == getSn_TxMAX(sn))
                {
-                  close(sn);
+                  disconnect(sn);
                   return SOCKERR_SOCKSTATUS;
                }
             }