From d8c3b4d6463d4fb8ccd697b5ae9c6dd5903dbf88 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?h=C3=B6rbert?=
 <55799864+winzkigermany@users.noreply.github.com>
Date: Wed, 8 Dec 2021 11:38:12 +0100
Subject: [PATCH] vfs: don't overwrite errno by a hard coded ENOENT

Calling "open" in CHECK_AND_CALL sets a perfectly correct errno.
There is no need to overwrite that with a value of ENOENT, since doing
so hides lower level errors like EIO.

Closes https://github.com/espressif/esp-idf/pull/8036
---
 components/vfs/vfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/vfs/vfs.c b/components/vfs/vfs.c
index 6ec4ab6aa3..24a2f1ebc0 100644
--- a/components/vfs/vfs.c
+++ b/components/vfs/vfs.c
@@ -399,7 +399,7 @@ int esp_vfs_open(struct _reent *r, const char * path, int flags, int mode)
         __errno_r(r) = ENOMEM;
         return -1;
     }
-    __errno_r(r) = ENOENT;
+    __errno_r(r) = errno;
     return -1;
 }