diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/tcp.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 6c12be2cdd4d..8f9f52f3408c 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -763,7 +763,15 @@ void tcp_synack_rtt_meas(struct sock *sk, struct request_sock *req); void tcp_done_with_error(struct sock *sk, int err); void tcp_reset(struct sock *sk, struct sk_buff *skb); void tcp_fin(struct sock *sk); -void tcp_check_space(struct sock *sk); +void __tcp_check_space(struct sock *sk); +static inline void tcp_check_space(struct sock *sk) +{ + /* pairs with tcp_poll() */ + smp_mb(); + + if (sk->sk_socket && test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) + __tcp_check_space(sk); +} void tcp_sack_compress_send_ack(struct sock *sk); static inline void tcp_cleanup_skb(struct sk_buff *skb) |