From 261ba78cc364ad595cead555a7d2a61471eac165 Mon Sep 17 00:00:00 2001
From: zhang kai <zhangkaiheb@126.com>
Date: Wed, 2 Jun 2021 18:36:26 +0800
Subject: sit: set name of device back to struct parms

addrconf_set_sit_dstaddr will use parms->name.

Signed-off-by: zhang kai <zhangkaiheb@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/sit.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'net/ipv6')

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index aa98294a3ad3..f7c8110ece5f 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -271,6 +271,9 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
 	if (ipip6_tunnel_create(dev) < 0)
 		goto failed_free;
 
+	if (!parms->name[0])
+		strcpy(parms->name, dev->name);
+
 	return nt;
 
 failed_free:
-- 
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