1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bbad2cdb74b7..f893e90061eb 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2420,6 +2420,9 @@ static int tcp_tso_acked(struct sock *sk, struct sk_buff *skb,
                         __u32 dval = min(tp->fackets_out, packets_acked);
                         tp->fackets_out -= dval;
                 }
+                /* hint's skb might be NULL but we don't need to care */
+                tp->fastpath_cnt_hint -= min_t(u32, packets_acked,
+                                               tp->fastpath_cnt_hint);
                 tp->packets_out -= packets_acked;
 
                 BUG_ON(tcp_skb_pcount(skb) == 0);