From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值

---
 kernel/drivers/net/wan/lapbether.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/net/wan/lapbether.c b/kernel/drivers/net/wan/lapbether.c
index b965eb6..24c53cc 100644
--- a/kernel/drivers/net/wan/lapbether.c
+++ b/kernel/drivers/net/wan/lapbether.c
@@ -341,6 +341,9 @@
 
 	ASSERT_RTNL();
 
+	if (dev->type != ARPHRD_ETHER)
+		return -EINVAL;
+
 	ndev = alloc_netdev(sizeof(*lapbeth), "lapb%d", NET_NAME_UNKNOWN,
 			    lapbeth_setup);
 	if (!ndev)

--
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