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net_sched: fix a missing idr_remove() in u32_delete_key() 

When we delete a u32 key via u32_delete_key(), we forget to
call idr_remove() to remove its handle from IDR.

Fixes: e7614370d6 ("net_sched: use idr to allocate u32 filter handles")
Reported-by: Marcin Kabiesz <admin@hostcenter.eu>
Tested-by: Marcin Kabiesz <admin@hostcenter.eu>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2018-04-06 17:19:41 -07:00 committed by David S. Miller
parent dd9a122ae9
commit f12c643209
1 changed files with 1 additions and 0 deletions
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1
net/sched/cls_u32.c
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@ -489,6 +489,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key)
RCU_INIT_POINTER(*kp, key->next);
tcf_unbind_filter(tp, &key->res);
idr_remove(&ht->handle_idr, key->handle);
tcf_exts_get_net(&key->exts);
call_rcu(&key->rcu, u32_delete_key_freepf_rcu);
return 0;