From 5711ef3efd7da28ee96aa4a8fe18290b23c2611c Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Mon, 8 Jun 2020 09:01:46 +0000
Subject: [PATCH] [TD_543] fix coverity scan, cid:267728

---
 src/util/src/tnote.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/util/src/tnote.c b/src/util/src/tnote.c
index 91d586322d..31ed6e2f7b 100644
--- a/src/util/src/tnote.c
+++ b/src/util/src/tnote.c
@@ -87,6 +87,10 @@ void *taosThreadToOpenNewNote(void *param)
     umask(0);
 
     int fd = open(name, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU | S_IRWXG | S_IRWXO);
+    if (fd < 0) {
+      return NULL;
+    }
+
     taosLockNote(fd, pNote);
     lseek(fd, 0, SEEK_SET);
 
-- 
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