From d5e56d06658ae11292be1baea56204f7120b6fa7 Mon Sep 17 00:00:00 2001
From: xueyunfei <xueyunfei@espressif.com>
Date: Thu, 9 Mar 2023 16:26:06 +0800
Subject: [PATCH] dhcp: Fix dhcp_fine_tmr() not to use netif after free

Introduced in 86df9f44
---
 src/core/ipv4/dhcp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/ipv4/dhcp.c b/src/core/ipv4/dhcp.c
index a4d34ac7..f8b467b3 100644
--- a/src/core/ipv4/dhcp.c
+++ b/src/core/ipv4/dhcp.c
@@ -1472,6 +1472,7 @@ dhcp_release_and_stop(struct netif *netif)
     dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF;
   }
 #endif /* LWIP_DHCP_AUTOIP_COOP */
+  ESP_LWIP_DHCP_FINE_CLOSE(netif, dhcp);
 
   LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_release_and_stop(): dhcp state is OFF\n"));
   if (dhcp->pcb_allocated != 0) {