Merge pull request esp8266#1666 from Links2004/master

not keep freed pointer of uart handler
jeffreyer · Feb 22, 2016 · f28c5be · f28c5be
2 parents c7ff2b1 + 28e6f33
commit f28c5be
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cores/esp8266/HardwareSerial.cpp b/cores/esp8266/HardwareSerial.cpp
@@ -56,6 +56,7 @@ void HardwareSerial::end()
     }
 
     uart_uninit(_uart);
+    _uart = NULL;
 }
 
 void HardwareSerial::swap(uint8_t tx_pin)