From 292f3dbbd9df59b4cae7027a917417fd4870b6b5 Mon Sep 17 00:00:00 2001
From: Zang MingJie <zealot0630@gmail.com>
Date: Tue, 21 Dec 2021 22:15:59 +0800
Subject: [PATCH] Fix mDNS UDP leak when JoinMulticastGroup fails (#13184)

---
 src/lib/dnssd/minimal_mdns/Server.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/dnssd/minimal_mdns/Server.cpp b/src/lib/dnssd/minimal_mdns/Server.cpp
index 5cd0dd7db59a47..b58c60cb3e463f 100644
--- a/src/lib/dnssd/minimal_mdns/Server.cpp
+++ b/src/lib/dnssd/minimal_mdns/Server.cpp
@@ -243,6 +243,8 @@ CHIP_ERROR ServerBase::Listen(chip::Inet::EndPointManager<chip::Inet::UDPEndPoin
             // Log only as non-fatal error. Failure to join will mean we reply to unicast queries only.
             ChipLogError(DeviceLayer, "MDNS failed to join multicast group on %s for address type %s: %s", interfaceName,
                          AddressTypeStr(addressType), chip::ErrorStr(err));
+
+            endPointHolder.reset();
         }
 
 #if CHIP_MINMDNS_USE_EPHEMERAL_UNICAST_PORT