From 40cb34adebd6abf4e3ac9a4afa47f61dfd306821 Mon Sep 17 00:00:00 2001
From: chemicstry <chemicstry@gmail.com>
Date: Mon, 7 May 2018 00:56:44 +0300
Subject: [PATCH] Fix WiFiClient error handling

---
 libraries/WiFi/src/WiFiClient.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libraries/WiFi/src/WiFiClient.cpp b/libraries/WiFi/src/WiFiClient.cpp
index 5b8c0fb65a3..b908f71f8d1 100644
--- a/libraries/WiFi/src/WiFiClient.cpp
+++ b/libraries/WiFi/src/WiFiClient.cpp
@@ -313,7 +313,7 @@ uint8_t WiFiClient::connected()
     if (_connected) {
         uint8_t dummy;
         int res = recv(fd(), &dummy, 0, MSG_DONTWAIT);
-        if (res <= 0) {
+        if (res < 0) {
             switch (errno) {
                 case ENOTCONN:
                 case EPIPE:
@@ -328,7 +328,6 @@ uint8_t WiFiClient::connected()
             }
         }
         else {
-            // Should never happen since requested 0 bytes
             _connected = true;
         }
     }