From b8b9309d2bd97ffeb13786e486edd884db3a96d1 Mon Sep 17 00:00:00 2001
From: Harri Luhtala <harri.luhtala@haltian.com>
Date: Wed, 31 May 2017 06:20:18 -0600
Subject: [PATCH] vfs: fdopen: add missing file stream flags clearing.  Clear
 file stream structure regardless of config options. Structure clearing is
 needed as previous use of stream list entry might leave fs_flags set.

---
 fs/vfs/fs_fdopen.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/vfs/fs_fdopen.c b/fs/vfs/fs_fdopen.c
index 43e00f184af..ebacc4c5ff9 100644
--- a/fs/vfs/fs_fdopen.c
+++ b/fs/vfs/fs_fdopen.c
@@ -221,11 +221,7 @@ FAR struct file_struct *fs_fdopen(int fd, int oflags, FAR struct tcb_s *tcb)
         {
           /* Zero the structure */
 
-#ifndef CONFIG_STDIO_DISABLE_BUFFERING
           memset(stream, 0, sizeof(FILE));
-#elif CONFIG_NUNGET_CHARS > 0
-          stream->fs_nungotten = 0;
-#endif
 
 #ifndef CONFIG_STDIO_DISABLE_BUFFERING
           /* Initialize the semaphore the manages access to the buffer */