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-rw-r--r--src/vnet/tcp/tcp_sack.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_sack.c b/src/vnet/tcp/tcp_sack.c
index 589c7f35227..b9e1166d779 100644
--- a/src/vnet/tcp/tcp_sack.c
+++ b/src/vnet/tcp/tcp_sack.c
@@ -326,7 +326,9 @@ tcp_rcv_sacks (tcp_connection_t * tc, u32 ack)
{
if (seq_lt (blk->start, blk->end)
&& seq_gt (blk->start, tc->snd_una)
- && seq_gt (blk->start, ack) && seq_leq (blk->end, tc->snd_nxt))
+ && seq_gt (blk->start, ack)
+ && seq_lt (blk->start, tc->snd_nxt)
+ && seq_leq (blk->end, tc->snd_nxt))
{
blk++;
continue;