From 8264f8bdbd86d1f8659fb3feae6eceeb0e7d8a88 Mon Sep 17 00:00:00 2001
From: Wen Hui <wen.hui.ware@gmail.com>
Date: Wed, 3 Mar 2021 01:36:08 -0500
Subject: [PATCH] generalize error check for SENTINEL MONITOR rumtime config
 (#8590)

---
 src/sentinel.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/sentinel.c b/src/sentinel.c
index 8597a10df..164ff15b2 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -3710,17 +3710,7 @@ NULL
         ri = createSentinelRedisInstance(c->argv[2]->ptr,SRI_MASTER,
                 c->argv[3]->ptr,port,quorum,NULL);
         if (ri == NULL) {
-            switch(errno) {
-            case EBUSY:
-                addReplyError(c,"Duplicated master name");
-                break;
-            case EINVAL:
-                addReplyError(c,"Invalid port number");
-                break;
-            default:
-                addReplyError(c,"Unspecified error adding the instance");
-                break;
-            }
+            addReplyError(c,sentinelCheckCreateInstanceErrors(SRI_MASTER));
         } else {
             sentinelFlushConfig();
             sentinelEvent(LL_WARNING,"+monitor",ri,"%@ quorum %d",ri->quorum);