From b616c17e46706e515ea12fa3bc3df8dbb0925f14 Mon Sep 17 00:00:00 2001
From: "Martine S. Lenders" <m.lenders@fu-berlin.de>
Date: Tue, 9 Aug 2022 16:20:22 +0200
Subject: [PATCH] gcoap: expire memo if there is nothing to wait for

---
 sys/net/application_layer/gcoap/gcoap.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/net/application_layer/gcoap/gcoap.c b/sys/net/application_layer/gcoap/gcoap.c
index c6bfb92bbd..567e39b87a 100644
--- a/sys/net/application_layer/gcoap/gcoap.c
+++ b/sys/net/application_layer/gcoap/gcoap.c
@@ -579,6 +579,11 @@ static void _on_resp_timeout(void *arg) {
  */
 static void _cease_retransmission(gcoap_request_memo_t *memo) {
     memo->state = GCOAP_MEMO_WAIT;
+    /* there is also no response handler to wait for => expire memo */
+    if (memo->resp_handler == NULL) {
+        event_timeout_clear(&memo->resp_evt_tmout);
+        _expire_request(memo);
+    }
 }
 
 /*