From a4f06660d2d0ecbaba8120a48e027df1dc707bbc Mon Sep 17 00:00:00 2001
From: qinwei1 <qinwei1@xiaomi.com>
Date: Tue, 13 Dec 2022 23:02:39 +0800
Subject: [PATCH] fs_epoll: fix some potential issue for list operation

VELAPLATFO-4690

Summary
1. delete item before free it

Signed-off-by: qinwei1 <qinwei1@xiaomi.com>
Change-Id: Ie101a0cdba97caa8c3bbf0830dc0a35750688a41
---
 fs/vfs/fs_epoll.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/vfs/fs_epoll.c b/fs/vfs/fs_epoll.c
index 0e179cec6f..3214207b73 100644
--- a/fs/vfs/fs_epoll.c
+++ b/fs/vfs/fs_epoll.c
@@ -192,6 +192,7 @@ static int epoll_do_close(FAR struct file *filep)
 
       list_for_every_entry_safe(&eph->extend, epn, tmp, epoll_node_t, node)
         {
+          list_delete(&epn->node);
           kmm_free(epn);
         }