From e353ea9ce471331c13edffd5977eadd602d1bb80 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 22 Feb 2024 10:50:08 +0000 Subject: rtnetlink: prepare nla_put_iflink() to run under RCU We want to be able to run rtnl_fill_ifinfo() under RCU protection instead of RTNL in the future. This patch prepares dev_get_iflink() and nla_put_iflink() to run either with RTNL or RCU held. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- drivers/net/netkit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/netkit.c') diff --git a/drivers/net/netkit.c b/drivers/net/netkit.c index 39171380ccf2..a4d2e76a8d58 100644 --- a/drivers/net/netkit.c +++ b/drivers/net/netkit.c @@ -145,7 +145,7 @@ static int netkit_get_iflink(const struct net_device *dev) rcu_read_lock(); peer = rcu_dereference(nk->peer); if (peer) - iflink = peer->ifindex; + iflink = READ_ONCE(peer->ifindex); rcu_read_unlock(); return iflink; } -- cgit