From 2b11f6ab4e094c20bc525811a257c724b0a6e323 Mon Sep 17 00:00:00 2001
From: Bomin Zhang <bmzhang@taosdata.com>
Date: Mon, 30 Nov 2020 08:42:42 +0000
Subject: [PATCH] [TD-2140]: fix invalid write

---
 src/client/src/tscUtil.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 893c3f4c39..af17f9b457 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -836,12 +836,6 @@ int32_t tscMergeTableDataBlocks(SSqlObj* pSql, SArray* pTableDataBlockList) {
     dataBuf->size += (finalLen + sizeof(SSubmitBlk));
     assert(dataBuf->size <= dataBuf->nAllocSize);
 
-    // free unnecessary memory resource ASAP.
-    char* p = realloc(dataBuf->pData, dataBuf->size);
-    if (p != NULL) {
-      dataBuf->pData = p;
-    }
-
     // the length does not include the SSubmitBlk structure
     pBlocks->dataLen = htonl(finalLen);
     dataBuf->numOfTables += 1;
-- 
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