From 6a9a0710b695da4f67f4e0939245a78ca2715e2a Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Fri, 2 Feb 2024 11:48:54 +0100
Subject: [PATCH] sys/net/telnet: properly detect disconnect

---
 sys/net/application_layer/telnet/telnet_server.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net/application_layer/telnet/telnet_server.c b/sys/net/application_layer/telnet/telnet_server.c
index 6f0528580ba18..7bacf70acc82e 100644
--- a/sys/net/application_layer/telnet/telnet_server.c
+++ b/sys/net/application_layer/telnet/telnet_server.c
@@ -227,7 +227,7 @@ static void *telnet_thread(void *arg)
                 continue;
             }
 
-            if (res < 0) {
+            if (res <= 0) {
                 break;
             }