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netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()

It seems to me that percpu memory for chain stats started leaking since
commit 3bc158f8d0 ("netfilter: nf_tables: map basechain priority to
hardware priority") when nft_chain_offload_priority() returned an error.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: 3bc158f8d0 ("netfilter: nf_tables: map basechain priority to hardware priority")
Signed-off-by: Florian Westphal <fw@strlen.de>
This commit is contained in:
Tetsuo Handa 2022-09-12 22:58:51 +09:00 committed by Florian Westphal
parent 921ebde3c0
commit 9a4d6dd554

View File

@ -2243,6 +2243,7 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask,
if (err < 0) {
nft_chain_release_hook(&hook);
kfree(basechain);
free_percpu(stats);
return err;
}
if (stats)