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net_sched: red: Avoid devision by zero
authorNogah Frankel <nogahf@mellanox.com>
Mon, 4 Dec 2017 11:31:10 +0000 (13:31 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Feb 2018 10:05:47 +0000 (11:05 +0100)
commit1c03903e973c276f9e75d6f7f3727b51b97c803b
tree83a5a702062cedfed4e6cf893c5dc1eae8c344dftree | snapshot
parent1cb73895efa3cb4420452d89e17984410612c3fccommit | diff
net_sched: red: Avoid devision by zero

[ Upstream commit 5c472203421ab4f928aa1ae9e1dbcfdd80324148 ]

Do not allow delta value to be zero since it is used as a divisor.

Fixes: 8af2a218de38 ("sch_red: Adaptative RED AQM")
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/net/red.h diff | blob | history
Domain: System / Kernel;