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net_sched: remove cls_flower idr on failure 

Fixes: c15ab236d6 ("net/sched: Change cls_flower to use IDR")
Cc: Chris Mi <chrism@mellanox.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2017-09-20 09:18:45 -07:00 committed by David S. Miller
parent 21f4d5cc25
commit fe2502e49b
1 changed files with 9 additions and 6 deletions
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15
net/sched/cls_flower.c
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@ -922,28 +922,28 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
if (!tc_flags_valid(fnew->flags)) {
err = -EINVAL;
goto errout;
goto errout_idr;
}
}
err = fl_set_parms(net, tp, fnew, &mask, base, tb, tca[TCA_RATE], ovr);
if (err)
goto errout;
goto errout_idr;
err = fl_check_assign_mask(head, &mask);
if (err)
goto errout;
goto errout_idr;
if (!tc_skip_sw(fnew->flags)) {
if (!fold && fl_lookup(head, &fnew->mkey)) {
err = -EEXIST;
goto errout;
goto errout_idr;
}
err = rhashtable_insert_fast(&head->ht, &fnew->ht_node,
head->ht_params);
if (err)
goto errout;
goto errout_idr;
}
if (!tc_skip_hw(fnew->flags)) {
@ -952,7 +952,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
&mask.key,
fnew);
if (err)
goto errout;
goto errout_idr;
}
if (!tc_in_hw(fnew->flags))
@ -981,6 +981,9 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
kfree(tb);
return 0;
errout_idr:
if (fnew->handle)
idr_remove_ext(&head->handle_idr, fnew->handle);
errout:
tcf_exts_destroy(&fnew->exts);
kfree(fnew);