From 7b811f9b3ad2200143f27b9a3cc5d8ba4131f041 Mon Sep 17 00:00:00 2001
From: FotoFieber <Markus@fotofieber.ch>
Date: Mon, 19 Nov 2018 16:59:14 +0100
Subject: [PATCH] leave possible endless loop (#1986)

---
 libraries/HTTPClient/src/HTTPClient.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/HTTPClient/src/HTTPClient.cpp b/libraries/HTTPClient/src/HTTPClient.cpp
index 5920bdfc..ffeada6b 100644
--- a/libraries/HTTPClient/src/HTTPClient.cpp
+++ b/libraries/HTTPClient/src/HTTPClient.cpp
@@ -1175,6 +1175,10 @@ int HTTPClient::writeToStreamDataBlock(Stream * stream, int size)
                 if(readBytes > buff_size) {
                     readBytes = buff_size;
                 }
+		    
+		// stop if no more reading    
+		if (readBytes == 0)
+			break;
 
                 // read data
                 int bytesRead = _client->readBytes(buff, readBytes);