Re: [PATCH 7/18] netfilter: nfnetlink_log: Move away from NLMSG_PUT().

[Joe Perches <joe@xxxxxxxxxxx>]

On Tue, 2012-06-26 at 22:02 -0700, David Miller wrote:
> And use nlmsg_data() while we're here too.
[]
> diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
[]
> @@ -326,18 +326,20 @@ __nfulnl_send(struct nfulnl_instance *inst)
>  {
>  	int status = -1;
>  
> -	if (inst->qlen > 1)
> -		NLMSG_PUT(inst->skb, 0, 0,
> -			  NLMSG_DONE,
> -			  sizeof(struct nfgenmsg));
> -
> +	if (inst->qlen > 1) {
> +		struct nlmsghdr *nlh = nlmsg_put(inst->skb, 0, 0,
> +						 NLMSG_DONE,
> +						 sizeof(struct nfgenmsg),
> +						 0);
> +		if (!nlh)
> +			goto out;
> +	}

Because nlh isn't used for anything other than a test,
perhaps this is more readable as:

	if (inst->qlen > 1 &&
	    !nlmsg_put(inst->skb, 0, 0, NLMSG_DONE,
		       sizeof(struct nfgenmsg), 0))
		goto out;


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