Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 3.18 12/25] net_sched: red: Avoid devision by zero | Date | Sun, 28 Jan 2018 22:29:49 +0000 |
| |
From: Nogah Frankel <nogahf@mellanox.com>
[ 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> --- include/net/red.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/red.h b/include/net/red.h index 76e0b5f922c6..ba5039418a93 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -178,7 +178,7 @@ static inline void red_set_parms(struct red_parms *p, p->qth_max = qth_max << Wlog; p->Wlog = Wlog; p->Plog = Plog; - if (delta < 0) + if (delta <= 0) delta = 1; p->qth_delta = delta; if (!max_P) { -- 2.11.0
| |