1 files changed, 6 insertions, 4 deletions

diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index faaee5338bea..8670e68e2ce6 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -335,11 +335,13 @@ void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 acked)
                 return;
 
         /* In "safe" area, increase. */
-        if (tp->snd_cwnd <= tp->snd_ssthresh)
-                tcp_slow_start(tp, acked);
+        if (tp->snd_cwnd <= tp->snd_ssthresh) {
+                acked = tcp_slow_start(tp, acked);
+                if (!acked)
+                        return;
+        }
         /* In dangerous area, increase slowly. */
-        else
-                tcp_cong_avoid_ai(tp, tp->snd_cwnd, 1);
+        tcp_cong_avoid_ai(tp, tp->snd_cwnd, acked);
 }
 EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid);