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netfilter: nf_tables: destroy the set if fail to add transaction

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When the memory is exhausted, then we will fail to add the NFT_MSG_NEWSET
transaction. In such case, we should destroy the set before we free it.

Fixes: 958bee14d0 ("netfilter: nf_tables: use new transaction infrastructure to handle sets")
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Liping Zhang 2016-10-29 22:03:05 +08:00 committed by Pablo Neira Ayuso
parent 5747620257
commit c17c3cdff1
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nf_tables_api.c
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@ -2956,12 +2956,14 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
err = nft_trans_set_add(&ctx, NFT_MSG_NEWSET, set);
if (err < 0)
goto err2;
goto err3;
list_add_tail_rcu(&set->list, &table->sets);
table->use++;
return 0;
err3:
ops->destroy(set);
err2:
kfree(set);
err1: