From 4b47402afdb198cd4a62f0356dbcb20ab0bc3845 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Mon, 15 May 2017 20:53:45 +0300
Subject: [PATCH] Use static buffer for log_printf

---
 cores/esp32/esp32-hal-uart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
index 98fcdce5..3b81a536 100644
--- a/cores/esp32/esp32-hal-uart.c
+++ b/cores/esp32/esp32-hal-uart.c
@@ -377,7 +377,7 @@ int log_printf(const char *format, ...)
     if(s_uart_debug_nr < 0){
         return 0;
     }
-    char loc_buf[64];
+    static char loc_buf[64];
     char * temp = loc_buf;
     int len;
     va_list arg;