From: Eric Dumazet <edumazet@google.com>
Date: Fri, 9 Feb 2024 15:30:57 +0000 (+0000)
Subject: net: use synchronize_net() in dev_change_name()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4cd582ffa5a9a5d58e5bac9c5e55ca8eeabffddc;p=linux.git

net: use synchronize_net() in dev_change_name()

dev_change_name() holds RTNL, we better use synchronize_net()
instead of plain synchronize_rcu().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 31f2c97d19903..7cf15d2bf78de 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1239,7 +1239,7 @@ rollback:
 	netdev_name_node_del(dev->name_node);
 	write_unlock(&dev_base_lock);
 
-	synchronize_rcu();
+	synchronize_net();
 
 	write_lock(&dev_base_lock);
 	netdev_name_node_add(net, dev->name_node);