diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2016-11-28 15:40:13 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-11-29 20:44:38 -0500 |
| commit | 725cbb62e7ade1bb29aa21a902d74e72b42a0f3d (patch) | |
| tree | b2b05eb4d8267cb59d305ae5ca9226234d54262a /net | |
| parent | net/dccp: fix use-after-free in dccp_invalid_packet (diff) | |
| download | linux-dev-725cbb62e7ade1bb29aa21a902d74e72b42a0f3d.tar.xz linux-dev-725cbb62e7ade1bb29aa21a902d74e72b42a0f3d.zip | |
sched: cls_flower: remove from hashtable only in case skip sw flag is not set
Be symmetric to hashtable insert and remove filter from hashtable only
in case skip sw flag is not set.
Fixes: e69985c67c33 ("net/sched: cls_flower: Introduce support in SKIP SW flag")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/cls_flower.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index b296f3991ab2..904442421db3 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -732,8 +732,9 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, goto errout; if (fold) { - rhashtable_remove_fast(&head->ht, &fold->ht_node, - head->ht_params); + if (!tc_skip_sw(fold->flags)) + rhashtable_remove_fast(&head->ht, &fold->ht_node, + head->ht_params); fl_hw_destroy_filter(tp, (unsigned long)fold); } @@ -760,8 +761,9 @@ static int fl_delete(struct tcf_proto *tp, unsigned long arg) struct cls_fl_head *head = rtnl_dereference(tp->root); struct cls_fl_filter *f = (struct cls_fl_filter *) arg; - rhashtable_remove_fast(&head->ht, &f->ht_node, - head->ht_params); + if (!tc_skip_sw(f->flags)) + rhashtable_remove_fast(&head->ht, &f->ht_node, + head->ht_params); list_del_rcu(&f->list); fl_hw_destroy_filter(tp, (unsigned long)f); tcf_unbind_filter(tp, &f->res); |