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-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bb3f234668b3..f6ba07f0d816 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1240,7 +1240,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
tp->left_out = tp->sacked_out + tp->lost_out;
if ((reord < tp->fackets_out) && icsk->icsk_ca_state != TCP_CA_Loss &&
- (tp->frto_highmark && after(tp->snd_una, tp->frto_highmark)))
+ (!tp->frto_highmark || after(tp->snd_una, tp->frto_highmark)))
tcp_update_reordering(sk, ((tp->fackets_out + 1) - reord), 0);
#if FASTRETRANS_DEBUG > 0
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