1 files changed, 10 insertions, 4 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 7d076f0db100..3ed6fc15815b 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1370,15 +1370,21 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 
         if (skb->len > cur_mss) {
                 int old_factor = tcp_skb_pcount(skb);
-                int new_factor;
+                int diff;
 
                 if (tcp_fragment(sk, skb, cur_mss, cur_mss))
                         return -ENOMEM; /* We'll try again later. */
 
                 /* New SKB created, account for it. */
-                new_factor = tcp_skb_pcount(skb);
-                tp->packets_out -= old_factor - new_factor;
-                tp->packets_out += tcp_skb_pcount(skb->next);
+                diff = old_factor - tcp_skb_pcount(skb) -
+                       tcp_skb_pcount(skb->next);
+                tp->packets_out -= diff;
+
+                if (diff > 0) {
+                        tp->fackets_out -= diff;
+                        if ((int)tp->fackets_out < 0)
+                                tp->fackets_out = 0;
+                }
         }
 
         /* Collapse two adjacent packets if worthwhile and we can. */