1 files changed, 5 insertions, 2 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7641b2761a14..74683d81c3f1 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1501,6 +1501,8 @@ void tcp_enter_loss(struct sock *sk, int how)
         tcp_set_ca_state(sk, TCP_CA_Loss);
         tp->high_seq = tp->snd_nxt;
         TCP_ECN_queue_cwr(tp);
+        /* Abort FRTO algorithm if one is in progress */
+        tp->frto_counter = 0;
 
         clear_all_retrans_hints(tp);
 }
@@ -2405,8 +2407,8 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p)
         struct sk_buff *skb;
         __u32 now = tcp_time_stamp;
         int acked = 0;
+        int prior_packets = tp->packets_out;
         __s32 seq_rtt = -1;
-        u32 pkts_acked = 0;
         ktime_t last_ackt = ktime_set(0,0);
 
         while ((skb = tcp_write_queue_head(sk)) &&
@@ -2435,7 +2437,6 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p)
                  */
                 if (!(scb->flags & TCPCB_FLAG_SYN)) {
                         acked |= FLAG_DATA_ACKED;
-                        ++pkts_acked;
                 } else {
                         acked |= FLAG_SYN_ACKED;
                         tp->retrans_stamp = 0;
@@ -2479,6 +2480,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p)
         }
 
         if (acked&FLAG_ACKED) {
+                u32 pkts_acked = prior_packets - tp->packets_out;
                 const struct tcp_congestion_ops *ca_ops
                         = inet_csk(sk)->icsk_ca_ops;
 
@@ -2608,6 +2610,7 @@ static void tcp_conservative_spur_to_response(struct tcp_sock *tp)
 {
         tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);
         tp->snd_cwnd_cnt = 0;
+        TCP_ECN_queue_cwr(tp);
         tcp_moderate_cwnd(tp);
 }