From 479f1b3fed04bb90ce80f6600098075496575cff Mon Sep 17 00:00:00 2001
From: david gauchard <gauchard@laas.fr>
Date: Thu, 22 Mar 2018 02:26:34 +0100
Subject: [PATCH] HardwareSerial: one more duplicate test missing the call
 (#4547)

---
 cores/esp8266/HardwareSerial.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp8266/HardwareSerial.h b/cores/esp8266/HardwareSerial.h
index dfc2c98fc..cac61953a 100644
--- a/cores/esp8266/HardwareSerial.h
+++ b/cores/esp8266/HardwareSerial.h
@@ -168,7 +168,7 @@ public:
     }
     bool isRxEnabled(void)
     {
-        return _uart && uart_rx_enabled(_uart);
+        return uart_rx_enabled(_uart);
     }
     int baudRate(void)
     {