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| author |   Eric Dumazet <edumazet@google.com> | 2024-02-22 10:50:08 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2024-02-26 11:46:12 +0000 |
| commit | e353ea9ce471331c13edffd5977eadd602d1bb80 (patch) | |
| tree | 31a5794e37547a88bfe9d15ad6770be6bdfdf358 /drivers/net/veth.c | |
| parent | Merge branch 'dp83826' (diff) | |
| download | linux-e353ea9ce471331c13edffd5977eadd602d1bb80.tar.xz linux-e353ea9ce471331c13edffd5977eadd602d1bb80.zip | |
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 <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/veth.c')
| -rw-r--r-- | drivers/net/veth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 500b9dfccd08..dd5aa8ab65a8 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1461,7 +1461,7 @@ static int veth_get_iflink(const struct net_device *dev) rcu_read_lock(); peer = rcu_dereference(priv->peer); - iflink = peer ? peer->ifindex : 0; + iflink = peer ? READ_ONCE(peer->ifindex) : 0; rcu_read_unlock(); return iflink; |