netdev - Re: [PATCH 08/23] netfilter: nft_ct: load both IPv4 and IPv6 conntrack modules for NFPROTO

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Date:	Fri, 10 Jan 2014 23:40:38 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Pablo Neira Ayuso <pablo@...filter.org>,
	netfilter-devel@...r.kernel.org
CC:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 08/23] netfilter: nft_ct: load both IPv4 and IPv6 conntrack
 modules for NFPROTO_INET

On 01/10/2014 03:35 AM, Pablo Neira Ayuso wrote:

> From: Patrick McHardy <kaber@...sh.net>

> The ct expression can currently not be used in the inet family since
> we don't have a conntrack module for NFPROTO_INET, so
> nf_ct_l3proto_try_module_get() fails. Add some manual handling to
> load the modules for both NFPROTO_IPV4 and NFPROTO_IPV6 if the
> ct expression is used in the inet family.

> Signed-off-by: Patrick McHardy <kaber@...sh.net>
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
> ---
>   net/netfilter/nft_ct.c |   39 ++++++++++++++++++++++++++++++++++++---
>   1 file changed, 36 insertions(+), 3 deletions(-)

> diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
> index 955f4e6..3727a32 100644
> --- a/net/netfilter/nft_ct.c
> +++ b/net/netfilter/nft_ct.c
[...]
> +static void nft_ct_l3proto_module_put(uint8_t family)
> +{
> +	if (family == NFPROTO_INET) {
> +		nf_ct_l3proto_module_put(NFPROTO_IPV4);
> +		nf_ct_l3proto_module_put(NFPROTO_IPV6);
> +	} else
> +		nf_ct_l3proto_module_put(family);

    According to Documentation/CodingStyle, there should be {} in the *else* 
arm, as the other arm of *if* statement has it.

> +}
> +

WBR, Sergei

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