From c1d2e97c78fd5729dc83dbc40ae850eb5cf2c9e7 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Tue, 5 May 2015 10:21:10 +0800
Subject: [PATCH] [Kernel] Add magic checking in rt_memheap_free routine.

---
 src/memheap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/memheap.c b/src/memheap.c
index adb5c8605..86e446167 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -517,6 +517,7 @@ void rt_memheap_free(void *ptr)
 
     /* check magic */
     RT_ASSERT((header_ptr->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
+    RT_ASSERT(header_ptr->magic & RT_MEMHEAP_USED);
     /* check whether this block of memory has been over-written. */
     RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
 
-- 
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