From 599d2570b2da7c2f5419332b42b7999d79c85959 Mon Sep 17 00:00:00 2001
From: Roi Dayan <roid@mellanox.com>
Date: Wed, 19 Dec 2018 18:07:56 +0200
Subject: [PATCH] net/sched: cls_flower: Remove old entries from rhashtable
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>
---
net/sched/cls_flower.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 71312d7bd8f4..208d940464d7 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -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);
}