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>

diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 71312d7..208d940 100644 (file)
--- 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);
        }