From f32caa52c67eca20d58676be4e0439acbb4c5ac3 Mon Sep 17 00:00:00 2001
From: Far <yesiyuam2@huawei.com>
Date: Thu, 22 Apr 2021 16:24:08 +0800
Subject: [PATCH] fix: parent point of vnode found by VfsHashGet should be
 updated

When fatfs_lookup find a vnode from hashlist, the field parent of vnode should be updated,
because the old parent may be reclaimed.

Close #I3NNFA
---
 fs/fat/os_adapt/fatfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fat/os_adapt/fatfs.c b/fs/fat/os_adapt/fatfs.c
index 0ff14a06..de0ab68b 100644
--- a/fs/fat/os_adapt/fatfs.c
+++ b/fs/fat/os_adapt/fatfs.c
@@ -300,6 +300,7 @@ int fatfs_lookup(struct Vnode *parent, const char *path, int len, struct Vnode *
             goto ERROR_UNLOCK;
         }
     } else {
+        vp->parent = parent;
         free(dfp); /* hash hit dfp is no needed */
     }