From 9e221b8a53c10d94b086730af3937bc92ac5c4c1 Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Mon, 8 Jun 2020 09:09:34 +0000
Subject: [PATCH] [TD_543] fix coverity scan, cid:267747

---
 src/kit/shell/src/shellImport.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/kit/shell/src/shellImport.c b/src/kit/shell/src/shellImport.c
index cd8b06c91c..347f99671d 100644
--- a/src/kit/shell/src/shellImport.c
+++ b/src/kit/shell/src/shellImport.c
@@ -148,7 +148,11 @@ static void shellSourceFile(TAOS *con, char *fptr) {
   }
 
   char *fname = full_path.we_wordv[0];
-  
+  if (fname == NULL) {
+    fprintf(stderr, "ERROR: invalid filename\n");
+    return;
+  }
+
   if (access(fname, F_OK) != 0) {
     fprintf(stderr, "ERROR: file %s is not exist\n", fptr);
     
-- 
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