netdev - Re: [PATCH 01/23] netfilter: nft_reject: fix compilation warning if NF_TABLES

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Date:	Fri, 10 Jan 2014 23:33:22 +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 01/23] netfilter: nft_reject: fix compilation warning
 if NF_TABLES_IPV6 is disabled

Hello.

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

> net/netfilter/nft_reject.c: In function 'nft_reject_eval':
> net/netfilter/nft_reject.c:37:14: warning: unused variable 'net' [-Wunused-variable]

> Reported-by: kbuild test robot <fengguang.wu@...el.com>
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
> ---
>   net/netfilter/nft_reject.c |    3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

> diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c
> index 0d690d4..7ae63cd 100644
> --- a/net/netfilter/nft_reject.c
> +++ b/net/netfilter/nft_reject.c
> @@ -34,8 +34,9 @@ static void nft_reject_eval(const struct nft_expr *expr,
>   			      const struct nft_pktinfo *pkt)
>   {
>   	struct nft_reject *priv = nft_expr_priv(expr);
> +#if IS_ENABLED(CONFIG_NF_TABLES_IPV6)
>   	struct net *net = dev_net((pkt->in != NULL) ? pkt->in : pkt->out);
> -

    Why remove empty line after the declaration block?

> +#endif
>   	switch (priv->type) {
>   	case NFT_REJECT_ICMP_UNREACH:
>   		if (priv->family == NFPROTO_IPV4)

WBR, Sergei


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