diff options
| -rw-r--r-- | net/ipv4/tcp_input.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 6ca77f8bcee..87111084280 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1118,12 +1118,11 @@ static int tcp_is_sackblock_valid(struct tcp_sock *tp, int is_dsack, * highest SACK block). Also calculate the lowest snd_nxt among the remaining * retransmitted skbs to avoid some costly processing per ACKs. */ -static int tcp_mark_lost_retrans(struct sock *sk) +static void tcp_mark_lost_retrans(struct sock *sk) { const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - int flag = 0; int cnt = 0; u32 new_low_seq = tp->snd_nxt; u32 received_upto = TCP_SKB_CB(tp->highest_sack)->end_seq; @@ -1131,7 +1130,7 @@ static int tcp_mark_lost_retrans(struct sock *sk) if (!tcp_is_fack(tp) || !tp->retrans_out || !after(received_upto, tp->lost_retrans_low) || icsk->icsk_ca_state != TCP_CA_Recovery) - return flag; + return; tcp_for_write_queue(skb, sk) { u32 ack_seq = TCP_SKB_CB(skb)->ack_seq; @@ -1159,7 +1158,6 @@ static int tcp_mark_lost_retrans(struct sock *sk) if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_ACKED))) { tp->lost_out += tcp_skb_pcount(skb); TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - flag |= FLAG_DATA_SACKED; } NET_INC_STATS_BH(LINUX_MIB_TCPLOSTRETRANSMIT); } else { @@ -1171,8 +1169,6 @@ static int tcp_mark_lost_retrans(struct sock *sk) if (tp->retrans_out) tp->lost_retrans_low = new_low_seq; - - return flag; } static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb, @@ -1603,7 +1599,7 @@ advance_sp: for (j = 0; j < used_sacks; j++) tp->recv_sack_cache[i++] = sp[j]; - flag |= tcp_mark_lost_retrans(sk); + tcp_mark_lost_retrans(sk); tcp_verify_left_out(tp); |