StackRduino
diff --git a/‎extmod/modlwip.c‎
Lines changed: 3 additions & 0 deletions b/‎extmod/modlwip.c‎
Lines changed: 3 additions & 0 deletions
@@ -451,6 +451,9 @@ STATIC mp_uint_t lwip_tcp_receive(lwip_socket_obj_t *socket, byte *buf, mp_uint_
 
         // Non-blocking socket
         if (socket->timeout == 0) {
+            if (socket->state == STATE_PEER_CLOSED) {
+                return 0;
+            }
             *_errno = EAGAIN;
             return -1;
         }
Original file line number	Diff line number	Diff line change
`@@ -451,6 +451,9 @@ STATIC mp_uint_t lwip_tcp_receive(lwip_socket_obj_t socket, byte buf, mp_uint_`
`451`	`451`
`452`	`452`	`// Non-blocking socket`
`453`	`453`	`if (socket->timeout == 0) {`
	`454`	`+ if (socket->state == STATE_PEER_CLOSED) {`
	`455`	`+ return 0;`
	`456`	`+ }`
`454`	`457`	`*_errno = EAGAIN;`
`455`	`458`	`return -1;`
`456`	`459`	`}`