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netfilter: nf_tables: fix wrong pointer passed to PTR_ERR()

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It should be 'chain' passed to PTR_ERR() in the error path
after calling nft_chain_lookup() in nf_tables_delrule().

Fixes: f80a612dd7 ("netfilter: nf_tables: add support to destroy operation")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Yang Yingliang 2023-01-19 15:51:25 +08:00 • committed by Pablo Neira Ayuso
parent dac7f50a45
commit 1fb7696ac6
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_tables_api.c
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@ -3724,7 +3724,7 @@ static int nf_tables_delrule(struct sk_buff *skb, const struct nfnl_info *info,
chain = nft_chain_lookup(net, table, nla[NFTA_RULE_CHAIN],
genmask);
if (IS_ERR(chain)) {
if (PTR_ERR(rule) == -ENOENT &&
if (PTR_ERR(chain) == -ENOENT &&
NFNL_MSG_TYPE(info->nlh->nlmsg_type) == NFT_MSG_DESTROYRULE)
return 0;