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-rw-r--r--include/linux/skmsg.h12
-rw-r--r--include/net/tcp.h6
2 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index b6afe01f8592..14d61bba0b79 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -359,17 +359,21 @@ static inline void sk_psock_restore_proto(struct sock *sk,
struct sk_psock *psock)
{
sk->sk_prot->unhash = psock->saved_unhash;
- sk->sk_write_space = psock->saved_write_space;
if (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
+ if (has_ulp) {
+ tcp_update_ulp(sk, psock->sk_proto,
+ psock->saved_write_space);
+ } else {
sk->sk_prot = psock->sk_proto;
+ sk->sk_write_space = psock->saved_write_space;
+ }
psock->sk_proto = NULL;
+ } else {
+ sk->sk_write_space = psock->saved_write_space;
}
}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e460ea7f767b..e6f48384dc71 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -2147,7 +2147,8 @@ struct tcp_ulp_ops {
/* initialize ulp */
int (*init)(struct sock *sk);
/* update ulp */
- void (*update)(struct sock *sk, struct proto *p);
+ void (*update)(struct sock *sk, struct proto *p,
+ void (*write_space)(struct sock *sk));
/* cleanup ulp */
void (*release)(struct sock *sk);
/* diagnostic */
@@ -2162,7 +2163,8 @@ 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);
+void tcp_update_ulp(struct sock *sk, struct proto *p,
+ void (*write_space)(struct sock *sk));
#define MODULE_ALIAS_TCP_ULP(name) \
__MODULE_INFO(alias, alias_userspace, name); \