From 1ef3c552423e843cfeed3ec549155b1d1e05cd49 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Mon, 29 Mar 2021 17:03:40 +0800
Subject: [PATCH] [TD-3592]<fix>: fix dnode ID syntax in drop dnode <dnode_id>

---
 src/mnode/src/mnodeDnode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mnode/src/mnodeDnode.c b/src/mnode/src/mnodeDnode.c
index 304096f3ae..db03da4fe1 100644
--- a/src/mnode/src/mnodeDnode.c
+++ b/src/mnode/src/mnodeDnode.c
@@ -722,6 +722,10 @@ int32_t mnodeDropDnode(SDnodeObj *pDnode, void *pMsg) {
 static int32_t mnodeDropDnodeByEp(char *ep, SMnodeMsg *pMsg) {
   SDnodeObj *pDnode = mnodeGetDnodeByEp(ep);
   if (pDnode == NULL) {
+    if (strspn(ep, "0123456789 ;") != strlen(ep)) {
+      return TSDB_CODE_MND_DNODE_NOT_EXIST;
+    }
+
     int32_t dnodeId = (int32_t)strtol(ep, NULL, 10);
     pDnode = mnodeGetDnode(dnodeId);
     if (pDnode == NULL) {