From db1be4f69dff9ab97cf4e5caa300777a4ad79f0d Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Thu, 21 Jan 2021 18:25:20 +0800
Subject: [PATCH] [TD-2805]<fix>: null pointer checking

---
 src/mnode/src/mnodeRead.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mnode/src/mnodeRead.c b/src/mnode/src/mnodeRead.c
index 200f589b78..dadd8155d8 100644
--- a/src/mnode/src/mnodeRead.c
+++ b/src/mnode/src/mnodeRead.c
@@ -50,6 +50,9 @@ int32_t mnodeProcessRead(SMnodeMsg *pMsg) {
   if (!sdbIsMaster()) {
     SMnodeRsp *rpcRsp = &pMsg->rpcRsp;
     SRpcEpSet *epSet = rpcMallocCont(sizeof(SRpcEpSet));
+    if (!epSet) {
+      return TSDB_CODE_MND_OUT_OF_MEMORY;
+    }
     mnodeGetMnodeEpSetForShell(epSet, true);
     rpcRsp->rsp = epSet;
     rpcRsp->len = sizeof(SRpcEpSet);