From a99b690d49f242bfaa4a23261c67990b7ad52272 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Wed, 17 Jan 2018 08:02:46 +1100
Subject: [PATCH] HAL_PX4: use calloc for malloc_type()

this ensures that EKF memory is zero on start
---
 libraries/AP_HAL_PX4/Util.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/AP_HAL_PX4/Util.cpp b/libraries/AP_HAL_PX4/Util.cpp
index 731c8ef461..ea338bd1fe 100644
--- a/libraries/AP_HAL_PX4/Util.cpp
+++ b/libraries/AP_HAL_PX4/Util.cpp
@@ -250,10 +250,10 @@ void *PX4Util::malloc_type(size_t size, AP_HAL::Util::Memory_Type mem_type)
     if (mem_type == AP_HAL::Util::MEM_DMA_SAFE) {
         return fat_dma_alloc(size);
     } else {
-        return malloc(size);
+        return calloc(1, size);
     }
 #else
-    return malloc(size);
+    return calloc(1, size);
 #endif
 }
 void PX4Util::free_type(void *ptr, size_t size, AP_HAL::Util::Memory_Type mem_type)