1 files changed, 10 insertions, 1 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5dd6dd7d091e..c5b911f9b662 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -190,7 +190,7 @@ void tcp_select_initial_window(int __space, __u32 mss,
         }
 
         /* Set initial window to value enough for senders,
-         * following RFC1414. Senders, not following this RFC,
+         * following RFC2414. Senders, not following this RFC,
          * will be satisfied with 2.
          */
         if (mss > (1<<*rcv_wscale)) {
@@ -509,7 +509,16 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
                         tp->lost_out -= diff;
                         tp->left_out -= diff;
                 }
+
                 if (diff > 0) {
+                        /* Adjust Reno SACK estimate. */
+                        if (!tp->rx_opt.sack_ok) {
+                                tp->sacked_out -= diff;
+                                if ((int)tp->sacked_out < 0)
+                                        tp->sacked_out = 0;
+                                tcp_sync_left_out(tp);
+                        }
+
                         tp->fackets_out -= diff;
                         if ((int)tp->fackets_out < 0)
                                 tp->fackets_out = 0;