From 5d522982cd8483848b0ea7bcd6df954aa02198fd Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Fri, 17 Jul 2020 02:30:50 +0000
Subject: [PATCH] [TD-948] Conditional jump or move depends on uninitialised
 value

---
 src/common/src/tdataformat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index 12ea4ad78d..a33da175dc 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -318,7 +318,7 @@ SDataCols *tdNewDataCols(int maxRowSize, int maxCols, int maxRows) {
   pCols->maxPoints = maxRows;
   pCols->bufSize = maxRowSize * maxRows;
 
-  pCols->buf = malloc(pCols->bufSize);
+  pCols->buf = calloc(pCols->bufSize);
   if (pCols->buf == NULL) {
     free(pCols);
     return NULL;
-- 
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