diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b45101f3d2bd..8ce50dc3ab8c 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -769,6 +769,7 @@ static void tcp_tasklet_func(unsigned long data) list_del(&tp->tsq_node); sk = (struct sock *)tp; + smp_mb__before_atomic(); clear_bit(TSQ_QUEUED, &sk->sk_tsq_flags); if (!sk->sk_lock.owned && @@ -1037,7 +1038,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, skb_shinfo(skb)->gso_size = tcp_skb_mss(skb); /* Our usage of tstamp should remain private */ - skb->tstamp.tv64 = 0; + skb->tstamp = 0; /* Cleanup our debris for IP stacks */ memset(skb->cb, 0, max(sizeof(struct inet_skb_parm), @@ -2517,9 +2518,11 @@ u32 __tcp_select_window(struct sock *sk) int full_space = min_t(int, tp->window_clamp, allowed_space); int window; - if (mss > full_space) + if (unlikely(mss > full_space)) { mss = full_space; - + if (mss <= 0) + return 0; + } if (free_space < (full_space >> 1)) { icsk->icsk_ack.quick = 0; @@ -3202,7 +3205,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst, #endif /* Do not fool tcpdump (if any), clean our debris */ - skb->tstamp.tv64 = 0; + skb->tstamp = 0; return skb; } EXPORT_SYMBOL(tcp_make_synack); |