From e6eddfa71127699d613147bba44279bfe7c61196 Mon Sep 17 00:00:00 2001
From: zmq810150896 <50894086+zmq810150896@users.noreply.github.com>
Date: Thu, 12 Oct 2023 08:22:46 +0800
Subject: [PATCH] Fix the problem that when dfs_v2 transmits fd, dentry or
 vnode does not exist (#8089)

---
 components/lwp/lwp_ipc.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/components/lwp/lwp_ipc.c b/components/lwp/lwp_ipc.c
index 0b36306057..8410bc2cac 100644
--- a/components/lwp/lwp_ipc.c
+++ b/components/lwp/lwp_ipc.c
@@ -407,19 +407,26 @@ static int _ipc_msg_fd_new(void *file)
         return -1;
     }
 
-#ifdef RT_USING_DFS_V2
-    d->fops = df->fops;
-    d->mode = df->mode;
-    d->dentry = df->dentry;
-    d->dentry->ref_count ++;
-#endif
-
     d->vnode = df->vnode;
     d->flags = df->flags;
     d->data = df->data;
     d->magic = df->magic;
 
-    d->vnode->ref_count ++;
+#ifdef RT_USING_DFS_V2
+    d->fops = df->fops;
+    d->mode = df->mode;
+    d->dentry = df->dentry;
+    if (d->dentry)
+        rt_atomic_add(&(d->dentry->ref_count), 1);
+
+    if (d->vnode)
+        rt_atomic_add(&(d->vnode->ref_count), 1);
+#else
+    if (d->vnode)
+        d->vnode->ref_count ++;
+#endif
+
+
 
     return fd;
 }