From ab4e5df473d0240beb7b463e83c00b492276f950 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <soeren+git@soeren-tempel.net>
Date: Mon, 9 Dec 2019 14:17:09 +0100
Subject: [PATCH] dtls-sock: check msg_try_receive return value

---
 examples/dtls-sock/dtls-server.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/examples/dtls-sock/dtls-server.c b/examples/dtls-sock/dtls-server.c
index 693621ae3e..0990bc5fe1 100644
--- a/examples/dtls-sock/dtls-server.c
+++ b/examples/dtls-sock/dtls-server.c
@@ -108,8 +108,7 @@ void *dtls_server_wrapper(void *arg)
     }
 
     while (active) {
-        msg_try_receive(&msg);
-        if (msg.type == DTLS_STOP_SERVER_MSG) {
+        if ((msg_try_receive(&msg) == 1) && (msg.type == DTLS_STOP_SERVER_MSG)) {
             active = false;
         }
         else {