From 6fc364db199ada4a9f9b4410ed1a5bc2cd40faea Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 23 Apr 2023 13:53:55 +0800
Subject: [PATCH] fix(query): add null ptr check.

---
 source/dnode/vnode/src/tsdb/tsdbMergeTree.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
index fa8870835c..eb383df48d 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
@@ -88,6 +88,10 @@ void getLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo, int64_t *blocks, double
 }
 
 void *destroyLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo) {
+  if (pLoadInfo == NULL) {
+    return NULL;
+  }
+
   for (int32_t i = 0; i < pLoadInfo->numOfStt; ++i) {
     pLoadInfo[i].currentLoadBlockIndex = 1;
     pLoadInfo[i].blockIndex[0] = -1;
-- 
GitLab