From 749420308ec232709711dd849cd9d51a804bc838 Mon Sep 17 00:00:00 2001
From: mucor <mucorwang@gmail.com>
Date: Thu, 29 Apr 2021 16:52:13 +0800
Subject: [PATCH] fix:shell cmd rm -r crash when open target dir failed

Change-Id: I1146ab12b02aeef3f9a2a0422ee45936f5e4c105
---
 fs/vfs/vfs_cmd/vfs_shellcmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/vfs/vfs_cmd/vfs_shellcmd.c b/fs/vfs/vfs_cmd/vfs_shellcmd.c
index 0c95699e..29aa4bd0 100644
--- a/fs/vfs/vfs_cmd/vfs_shellcmd.c
+++ b/fs/vfs/vfs_cmd/vfs_shellcmd.c
@@ -837,6 +837,10 @@ static int os_shell_cmd_do_rmdir(const char *pathname)
       return remove(pathname);
     }
   d = opendir(pathname);
+  if (d == NULL)
+    {
+      return -1;
+    }
   while (1)
     {
       dirent = readdir(d);