From 53f7e6e1c5dc495c1a387fc96dcd50c7467f2f23 Mon Sep 17 00:00:00 2001
From: Andrew12138-w <u202012167@hust.edu.cn>
Date: Tue, 18 Apr 2023 20:42:45 +0800
Subject: [PATCH] Fix a bug where null pointers were not judged

---
 .../components/mem_manager/mem_manager.c           | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/platform/vendor_bsp/nxp/MIMXRT1052/components/mem_manager/mem_manager.c b/platform/vendor_bsp/nxp/MIMXRT1052/components/mem_manager/mem_manager.c
index eff19621..16aab4b9 100644
--- a/platform/vendor_bsp/nxp/MIMXRT1052/components/mem_manager/mem_manager.c
+++ b/platform/vendor_bsp/nxp/MIMXRT1052/components/mem_manager/mem_manager.c
@@ -412,16 +412,18 @@ uint16_t MEM_BufferGetSize(void *buffer) /* IN: Block of memory to get size*/
 
     uint32_t regPrimask = DisableGlobalIRQ();
 
+    if(buffer==NULL)
+    {
+        EnableGlobalIRQ(regPrimask);
+        return 0;
+    }
     pBlock      = (block_list_header_t *)buffer - 1;
     pParentPool = (mem_pool_structure_t *)pBlock->pParentPool;
 
-    if (buffer != NULL)
-    {
-        EnableGlobalIRQ(regPrimask);
-        return pParentPool->blockSize;
-    }
     EnableGlobalIRQ(regPrimask);
-    return 0;
+    return pParentPool->blockSize;
+    
+    
 }
 
 /*!