From 3f5534eed5337536123d60faf962537f70d18033 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 17 Jan 2018 08:10:23 +1100
Subject: [PATCH] AP_HAL: use calloc in preferance to malloc

---
 libraries/AP_HAL/utility/RingBuffer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_HAL/utility/RingBuffer.cpp b/libraries/AP_HAL/utility/RingBuffer.cpp
index 2c3ea87b02..f3b3bee22f 100644
--- a/libraries/AP_HAL/utility/RingBuffer.cpp
+++ b/libraries/AP_HAL/utility/RingBuffer.cpp
@@ -5,7 +5,7 @@
 
 ByteBuffer::ByteBuffer(uint32_t _size)
 {
-    buf = (uint8_t*)malloc(_size);
+    buf = (uint8_t*)calloc(1, _size);
     size = buf ? _size : 0;
 }
 
@@ -22,7 +22,7 @@ bool ByteBuffer::set_size(uint32_t _size)
     head = tail = 0;
     if (_size != size) {
         free(buf);
-        buf = (uint8_t*)malloc(_size);
+        buf = (uint8_t*)calloc(1, _size);
         if (!buf) {
             size = 0;
             return false;