From 70656aa129701114c1af05c70b8cba93846be960 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Wed, 9 Jan 2019 21:37:31 +0100
Subject: [PATCH] fix leak in log_printf

---
 cores/esp32/esp32-hal-uart.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
index 9e60d6be..b4442f75 100644
--- a/cores/esp32/esp32-hal-uart.c
+++ b/cores/esp32/esp32-hal-uart.c
@@ -481,7 +481,7 @@ int log_printf(const char *format, ...)
     vsnprintf(temp, len+1, format, arg);
 #if !CONFIG_DISABLE_HAL_LOCKS
     if(_uart_bus_array[s_uart_debug_nr].lock){
-        while (xSemaphoreTake(_uart_bus_array[s_uart_debug_nr].lock, portMAX_DELAY) != pdPASS);
+        xSemaphoreTake(_uart_bus_array[s_uart_debug_nr].lock, portMAX_DELAY);
         ets_printf("%s", temp);
         xSemaphoreGive(_uart_bus_array[s_uart_debug_nr].lock);
     } else {
@@ -491,7 +491,7 @@ int log_printf(const char *format, ...)
     ets_printf("%s", temp);
 #endif
     va_end(arg);
-    if(len > sizeof(loc_buf)){
+    if(len >= sizeof(loc_buf)){
         free(temp);
     }
     return len;