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-rw-r--r--include/linux/skmsg.h8
-rw-r--r--include/net/tcp.h3
2 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 50ced8aba9db..e4b3fb4bb77c 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -354,7 +354,13 @@ static inline void sk_psock_restore_proto(struct sock *sk,
sk->sk_write_space = psock->saved_write_space;
if (psock->sk_proto) {
- sk->sk_prot = psock->sk_proto;
+ struct inet_connection_sock *icsk = inet_csk(sk);
+ bool has_ulp = !!icsk->icsk_ulp_data;
+
+ if (has_ulp)
+ tcp_update_ulp(sk, psock->sk_proto);
+ else
+ sk->sk_prot = psock->sk_proto;
psock->sk_proto = NULL;
}
}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f42d300f0cfa..c82a23470081 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -2103,6 +2103,8 @@ struct tcp_ulp_ops {
/* initialize ulp */
int (*init)(struct sock *sk);
+ /* update ulp */
+ void (*update)(struct sock *sk, struct proto *p);
/* cleanup ulp */
void (*release)(struct sock *sk);
@@ -2114,6 +2116,7 @@ void tcp_unregister_ulp(struct tcp_ulp_ops *type);
int tcp_set_ulp(struct sock *sk, const char *name);
void tcp_get_available_ulp(char *buf, size_t len);
void tcp_cleanup_ulp(struct sock *sk);
+void tcp_update_ulp(struct sock *sk, struct proto *p);
#define MODULE_ALIAS_TCP_ULP(name) \
__MODULE_INFO(alias, alias_userspace, name); \