[TCP]: Another TAGBITS -> SACKED_ACKED|LOST conversion

Similar to commit 3eec0047d9bdd, point of this is to avoid
skipping R-bit skbs.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 4d72781..ca9590f 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2078,7 +2078,7 @@ static void tcp_update_scoreboard(struct sock *sk)
                        if (!tcp_skb_timedout(sk, skb))
                                break;
 
-                       if (!(TCP_SKB_CB(skb)->sacked&TCPCB_TAGBITS)) {
+                       if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_SACKED_ACKED|TCPCB_LOST))) {
                                TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
                                tp->lost_out += tcp_skb_pcount(skb);
                                tcp_verify_retransmit_hint(tp, skb);