1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 64e45b279431..53289911362a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5004,6 +5004,9 @@ static int tcp_prune_queue(struct sock *sk)
         else if (tcp_under_memory_pressure(sk))
                 tp->rcv_ssthresh = min(tp->rcv_ssthresh, 4U * tp->advmss);
 
+        if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf)
+                return 0;
+
         tcp_collapse_ofo_queue(sk);
         if (!skb_queue_empty(&sk->sk_receive_queue))
                 tcp_collapse(sk, &sk->sk_receive_queue, NULL,