diff options
author | Nogah Frankel <nogahf@mellanox.com> | 2017-12-04 13:31:10 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-25 11:07:59 +0100 |
commit | e428e8ce3a008852e56e25c2fab4bc14c9f16915 (patch) | |
tree | 5dc96f0d3d96099a409adaaac25048801f4d5b02 /include/net/red.h | |
parent | 6e95c4f921770c62b4c7f88b2b9da7bccaa6514e (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@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net/red.h')
-rw-r--r-- | include/net/red.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/red.h b/include/net/red.h index 9a9347710701..5918f78d36a0 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -179,7 +179,7 @@ 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) { |