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net/sched: cls_flower: Remove old entries from rhashtable

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When replacing a rule we add the new rule to the rhashtable
but only remove the old if not in skip_sw.
This commit fix this and remove the old rule anyway.

Fixes: 35cc3cefc4de ("net/sched: cls_flower: Reject duplicated rules also under skip_sw")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roi Dayan 2018-12-19 18:07:56 +02:00 committed by David S. Miller
parent c6ec179a00
commit 599d2570b2
1 changed files with 3 additions and 4 deletions
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7
net/sched/cls_flower.c
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@ -1258,10 +1258,9 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
fnew->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
if (fold) {
if (!tc_skip_sw(fold->flags))
rhashtable_remove_fast(&fold->mask->ht,
&fold->ht_node,
fold->mask->filter_ht_params);
rhashtable_remove_fast(&fold->mask->ht,
&fold->ht_node,
fold->mask->filter_ht_params);
if (!tc_skip_hw(fold->flags))
fl_hw_destroy_filter(tp, fold, NULL);
}