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List: netfilter-devel
Subject: Re: [PATCH net-next 2/8] netfilter: add API to manage NAT helpers.
From: Pablo Neira Ayuso <pablo () netfilter ! org>
Date: 2019-03-31 22:12:06
Message-ID: 20190331221206.fowjnjpaeofgq5it () salvia
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On Tue, Mar 26, 2019 at 05:57:09PM -0300, Flavio Leitner wrote:
[...]
> diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
> index 274baf1dab87..883a8d438503 100644
> --- a/net/netfilter/nf_conntrack_helper.c
> +++ b/net/netfilter/nf_conntrack_helper.c
> @@ -42,6 +42,9 @@ module_param_named(nf_conntrack_helper, nf_ct_auto_assign_helper, bool, 0644);
> MODULE_PARM_DESC(nf_conntrack_helper,
> "Enable automatic conntrack helper assignment (default 0)");
>
> +static struct list_head nf_ct_nat_helpers __read_mostly;
> +static DEFINE_SPINLOCK(nf_ct_nat_helpers_lock);
Why a spinlock here? Use mutex instead I'd suggest.
Thanks.
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