From 41262f9bd60db22bb1d2da09378bb1fe30f5d7d9 Mon Sep 17 00:00:00 2001
From: Teemu Takaluoma <teemu.takaluoma@pelion.com>
Date: Thu, 17 Jun 2021 16:46:19 +0300
Subject: [PATCH] mbed-cloud-client 4.9.1

---
 CHANGELOG.md                                              | 8 ++++++++
 .../OS_Specific/ZephyrOS/Networking/pal_plat_network.c    | 3 +++
 mbed-client/source/m2mnsdlinterface.cpp                   | 4 +---
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b477e87a..3996aa7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 ## Changelog for Pelion Device Management Client
 
+### Release 4.9.1 (17.06.2021)
+
+### Device Management Client
+- Fixed the incorrect overriding of CoAP retransmission buffer size.
+
+### Platform Adaptation Layer (PAL)
+- [Zephyr] Fixed a memory leak on DNs handling.
+
 ### Release 4.9.0 (20.05.2021)
 
 ### Device Management Client
diff --git a/mbed-client-pal/Source/Port/Reference-Impl/OS_Specific/ZephyrOS/Networking/pal_plat_network.c b/mbed-client-pal/Source/Port/Reference-Impl/OS_Specific/ZephyrOS/Networking/pal_plat_network.c
index f8350b3e..6985512b 100644
--- a/mbed-client-pal/Source/Port/Reference-Impl/OS_Specific/ZephyrOS/Networking/pal_plat_network.c
+++ b/mbed-client-pal/Source/Port/Reference-Impl/OS_Specific/ZephyrOS/Networking/pal_plat_network.c
@@ -704,6 +704,9 @@ palStatus_t pal_plat_getAddressInfo(const char* hostname, palSocketAddress_t* ad
                 assert(0);
             }
 
+            /* release allocated resources */
+            freeaddrinfo(info);
+
         } else {
 
             result = PAL_ERR_SOCKET_DNS_ERROR;
diff --git a/mbed-client/source/m2mnsdlinterface.cpp b/mbed-client/source/m2mnsdlinterface.cpp
index 4a3291c7..8dc9e347 100644
--- a/mbed-client/source/m2mnsdlinterface.cpp
+++ b/mbed-client/source/m2mnsdlinterface.cpp
@@ -88,7 +88,7 @@
 
 #define REGISTRATION_UPDATE_DELAY 10 // wait 10ms before sending registration update for PUT to resource 1/0/1
 
-const char *MCC_VERSION = "mccv=4.9.0";
+const char *MCC_VERSION = "mccv=4.9.1";
 
 int8_t M2MNsdlInterface::_tasklet_id = -1;
 
@@ -318,8 +318,6 @@ bool M2MNsdlInterface::initialize()
                                           MBED_CLIENT_RECONNECTION_COUNT,
                                           _network_rtt_estimate);
 
-    sn_nsdl_set_retransmission_buffer(_nsdl_handle, MBED_CLIENT_SN_COAP_RESENDING_QUEUE_SIZE_MSGS, 0);
-
     sn_nsdl_handle_block2_response_internally(_nsdl_handle, false);
 
     // Allocate the memory for endpoint