From 72dc46600ed384f4618fb38058ceabc874d8db40 Mon Sep 17 00:00:00 2001
From: wangjiaming0909 <604227650@qq.com>
Date: Wed, 2 Aug 2023 10:09:50 +0800
Subject: [PATCH] fix: memory leak when drop db which acquired by user with
 grant/revoke

---
 source/dnode/mnode/impl/src/mndUser.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index 65c1cfbea2..c59d23d252 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -863,6 +863,7 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
         mndReleaseDb(pMnode, pDb);
         goto _OVER;
       }
+      mndReleaseDb(pMnode, pDb);
     } else {
       while (1) {
         SDbObj *pDb = NULL;
@@ -887,6 +888,7 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
         mndReleaseDb(pMnode, pDb);
         goto _OVER;
       }
+      mndReleaseDb(pMnode, pDb);
     } else {
       while (1) {
         SDbObj *pDb = NULL;
@@ -908,6 +910,7 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
         goto _OVER;
       }
       taosHashRemove(newUser.readDbs, alterReq.objname, len);
+      mndReleaseDb(pMnode, pDb);
     } else {
       taosHashClear(newUser.readDbs);
     }
@@ -922,6 +925,7 @@ static int32_t mndProcessAlterUserReq(SRpcMsg *pReq) {
         goto _OVER;
       }
       taosHashRemove(newUser.writeDbs, alterReq.objname, len);
+      mndReleaseDb(pMnode, pDb);
     } else {
       taosHashClear(newUser.writeDbs);
     }