diff options
| author | Eric Dumazet <edumazet@google.com> | 2026-01-30 19:19:06 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-02 17:09:11 -0800 |
| commit | 82f35bec11bd404d2cfd615877747e5989d29edf (patch) | |
| tree | cbb0a419c5dea0b3b3e70a7175a59e533b674b62 /include | |
| parent | 61cef6454cfbb9fcdbe41401fb53895f86603081 (diff) | |
net: l3mdev: use skb_dst_dev_rcu() in l3mdev_l3_out()
Extend the RCU section a bit so that we can use the safer
skb_dst_dev_rcu() helper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260130191906.3781856-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/l3mdev.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 1eb8dad18f7e..710e98665eb3 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -207,18 +207,19 @@ struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb) static inline struct sk_buff *l3mdev_l3_out(struct sock *sk, struct sk_buff *skb, u16 proto) { - struct net_device *dev = skb_dst(skb)->dev; + struct net_device *dev; + rcu_read_lock(); + dev = skb_dst_dev_rcu(skb); if (netif_is_l3_slave(dev)) { struct net_device *master; - rcu_read_lock(); master = netdev_master_upper_dev_get_rcu(dev); if (master && master->l3mdev_ops->l3mdev_l3_out) skb = master->l3mdev_ops->l3mdev_l3_out(master, sk, skb, proto); - rcu_read_unlock(); } + rcu_read_unlock(); return skb; } |