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authorNogah Frankel <nogahf@mellanox.com>2017-12-04 14:31:10 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-05 22:37:12 +0300
commit5c472203421ab4f928aa1ae9e1dbcfdd80324148 (patch)
tree62136b226f62ae28ef930e66352df1c4b31243b6 /include/net/red.h
parent58117672943734715bbe7565ac9f062effa524f0 (diff)
downloadlinux-5c472203421ab4f928aa1ae9e1dbcfdd80324148.tar.xz
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/net/red.h')
-rw-r--r--include/net/red.h2
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) {