From 35c1e53b1a0706714d12544451ab77b9eb1a45b9 Mon Sep 17 00:00:00 2001
From: chao an <anchao@xiaomi.com>
Date: Thu, 5 Jan 2023 13:19:10 +0800
Subject: [PATCH] net/netdev: clear device buffer handle by default

Signed-off-by: chao an <anchao@xiaomi.com>
---
 net/netdev/netdev_iob.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/netdev/netdev_iob.c b/net/netdev/netdev_iob.c
index 15b466d8d8..ad8a9c44df 100644
--- a/net/netdev/netdev_iob.c
+++ b/net/netdev/netdev_iob.c
@@ -150,6 +150,7 @@ void netdev_iob_release(FAR struct net_driver_s *dev)
     {
       iob_free_chain(dev->d_iob);
       dev->d_iob = NULL;
-      dev->d_buf = NULL;
     }
+
+  dev->d_buf = NULL;
 }