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netfilter: nft_synproxy: unregister hooks on init error path

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commit 2b4e5fb4d3 upstream.

Disable the IPv4 hooks if the IPv6 hooks fail to be registered.

Fixes: ad49d86e07 ("netfilter: nf_tables: Add synproxy support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pablo Neira Ayuso 2022-02-10 10:06:42 +01:00 committed by Greg Kroah-Hartman
parent 26931971db
commit 100344200a
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nft_synproxy.c
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@ -191,8 +191,10 @@ static int nft_synproxy_do_init(const struct nft_ctx *ctx,
if (err) if (err)
goto nf_ct_failure; goto nf_ct_failure;
err = nf_synproxy_ipv6_init(snet, ctx->net); err = nf_synproxy_ipv6_init(snet, ctx->net);
if (err) if (err) {
nf_synproxy_ipv4_fini(snet, ctx->net);
goto nf_ct_failure; goto nf_ct_failure;
}
break; break;
} }