From cb29bfa6b40e3be3789473c92c5da53aaf7a0508 Mon Sep 17 00:00:00 2001
From: Xu Si Yu <xusiyu@espressif.com>
Date: Fri, 26 May 2023 19:20:27 +0800
Subject: [PATCH] openthread: forbid otPlatUdp to connect to address 0.0.0.0
 and port 0

---
 components/openthread/src/port/esp_openthread_udp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/openthread/src/port/esp_openthread_udp.c b/components/openthread/src/port/esp_openthread_udp.c
index 17f8256a38..08c8e12e6c 100644
--- a/components/openthread/src/port/esp_openthread_udp.c
+++ b/components/openthread/src/port/esp_openthread_udp.c
@@ -305,6 +305,9 @@ otError otPlatUdpConnect(otUdpSocket *udp_socket)
     };
 
     task.addr = map_openthread_addr_to_lwip_addr(&udp_socket->mPeerName.mAddress);
+    if (ip_addr_isany_val(task.addr) && task.port == 0) {
+        return OT_ERROR_NONE;
+    }
     tcpip_callback(udp_connect_task, &task);
     wait_for_task_notification();