iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net_sched: red: Avoid devision by zero

Browse Source 
[ 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>
This commit is contained in:
Nogah Frankel 2017-12-04 13:31:10 +02:00 committed by Greg Kroah-Hartman
parent 034317d43f
commit ba51edae4b
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/red.h
View File

@ -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) {