Re: [PATCH v2] netfilter: amanda: fix RCU pointer typing for nf_nat_amanda_hook

[Florian Westphal]

Sun Jian <sun.jian.kdev@xxxxxxxxx> wrote:
>  enum amanda_strings {
> @@ -98,7 +98,12 @@ static int amanda_help(struct sk_buff *skb,
>  	u_int16_t len;
>  	__be16 port;
>  	int ret = NF_ACCEPT;
> -	typeof(nf_nat_amanda_hook) nf_nat_amanda;
> +	unsigned int (*nf_nat_amanda)(struct sk_buff *skb,
> +				      enum ip_conntrack_info ctinfo,
> +				      unsigned int protoff,
> +				      unsigned int matchoff,
> +				      unsigned int matchlen,
> +				      struct nf_conntrack_expect *exp);

Why is that needed?