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| author | Nogah Frankel <nogahf@mellanox.com> | 2017-12-04 13:31:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-05 14:37:12 -0500 |
| commit | 5c472203421ab4f928aa1ae9e1dbcfdd80324148 (patch) | |
| tree | 62136b226f62ae28ef930e66352df1c4b31243b6 /include | |
| parent | 58117672943734715bbe7565ac9f062effa524f0 (diff) | |
| download | lwn-5c472203421ab4f928aa1ae9e1dbcfdd80324148.tar.gz lwn-5c472203421ab4f928aa1ae9e1dbcfdd80324148.zip | |
net_sched: red: Avoid devision by zero
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>
Diffstat (limited to 'include')
| -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) { |