tree 83a5a702062cedfed4e6cf893c5dc1eae8c344df
parent 1cb73895efa3cb4420452d89e17984410612c3fc
author Nogah Frankel <nogahf@mellanox.com> 1512387070 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1519553147 +0100

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>