From c12f1b6e6a53a147c505b461eac1ca84b339b742 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Mon, 24 Oct 2022 14:16:17 +0800
Subject: [PATCH] fix: coverity issues

CID: 399890
---
 source/libs/scalar/src/filter.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/source/libs/scalar/src/filter.c b/source/libs/scalar/src/filter.c
index 9e49ae1e03..6f96f6f715 100644
--- a/source/libs/scalar/src/filter.c
+++ b/source/libs/scalar/src/filter.c
@@ -1135,7 +1135,12 @@ int32_t filterAddUnit(SFilterInfo *info, uint8_t optr, SFilterFieldId *left, SFi
 int32_t filterAddUnitToGroup(SFilterGroup *group, uint32_t unitIdx) {
   if (group->unitNum >= group->unitSize) {
     group->unitSize += FILTER_DEFAULT_UNIT_SIZE;
-    group->unitIdxs = taosMemoryRealloc(group->unitIdxs, group->unitSize * sizeof(*group->unitIdxs));
+
+    void *tmp = taosMemoryRealloc(group->unitIdxs, group->unitSize * sizeof(*group->unitIdxs));
+    if (tmp == NULL) {
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+    group->unitIdxs = tmp;
   }
 
   group->unitIdxs[group->unitNum++] = unitIdx;
-- 
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