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(parent: 563c24f) | patch
tcp_nv: fix division by zero in tcpnv_acked()
authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Wed, 1 Nov 2017 13:32:15 +0000 (16:32 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 24 Nov 2017 07:33:40 +0000 (08:33 +0100)
commitb0e50c4e895aa2e8b8469eb359a43778df3db27e
treeacf4aaf91dc6a2ece48e7b6b094d72e424d9c13dtree | snapshot
parent563c24f65f4fb009047cf4702dd16c7c592fd2b2commit | diff
tcp_nv: fix division by zero in tcpnv_acked()

[ Upstream commit 4eebff27ca4182bbf5f039dd60d79e2d7c0a707e ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/tcp_nv.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git