1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_nv.c b/net/ipv4/tcp_nv.c
index 1ff73982e28c..125fc1450b01 100644
--- a/net/ipv4/tcp_nv.c
+++ b/net/ipv4/tcp_nv.c
@@ -252,7 +252,7 @@ static void tcpnv_acked(struct sock *sk, const struct ack_sample *sample)
 
         /* rate in 100's bits per second */
         rate64 = ((u64)sample->in_flight) * 8000000;
-        rate = (u32)div64_u64(rate64, (u64)(avg_rtt * 100));
+        rate = (u32)div64_u64(rate64, (u64)(avg_rtt ?: 1) * 100);
 
         /* Remember the maximum rate seen during this RTT
          * Note: It may be more than one RTT. This function should be