tree 4e4eb972c1a18167c2d5d0e394fb033f4b20b4db
parent 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
author Konstantin Khlebnikov <khlebnikov@yandex-team.ru> 1509543135 +0300
committer David S. Miller <davem@davemloft.net> 1509606987 +0900

tcp_nv: fix division by zero in tcpnv_acked()

Average RTT could become zero. This happened in real life at least twice.
This patch treats zero as 1us.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Lawrence Brakmo <Brakmo@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>