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-rw-r--r--include/net/sock.h6
-rw-r--r--net/ipv4/inet_hashtables.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 2fdb87f176cf..d63b8494124e 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -630,7 +630,11 @@ static inline void sk_add_node(struct sock *sk, struct hlist_head *list)
static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
{
sock_hold(sk);
- hlist_add_head_rcu(&sk->sk_node, list);
+ if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport &&
+ sk->sk_family == AF_INET6)
+ hlist_add_tail_rcu(&sk->sk_node, list);
+ else
+ hlist_add_head_rcu(&sk->sk_node, list);
}
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index fcadb670f50b..b76b0d7e59c1 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -479,7 +479,11 @@ int __inet_hash(struct sock *sk, struct sock *osk,
if (err)
goto unlock;
}
- hlist_add_head_rcu(&sk->sk_node, &ilb->head);
+ if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport &&
+ sk->sk_family == AF_INET6)
+ hlist_add_tail_rcu(&sk->sk_node, &ilb->head);
+ else
+ hlist_add_head_rcu(&sk->sk_node, &ilb->head);
sock_set_flag(sk, SOCK_RCU_FREE);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
unlock: