netdev - Re: [PATCH] net: use the macros defined for the members of flowi

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Message-ID: <4CE1A710.9040603@hp.com>
Date:	Mon, 15 Nov 2010 16:33:04 -0500
From:	Brian Haley <brian.haley@...com>
To:	Changli Gao <xiaosuo@...il.com>
CC:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] net: use the macros defined for the members of flowi

On 11/12/2010 11:43 PM, Changli Gao wrote:
> Use the macros defined for the members of flowi to clean the code up.
> 
> diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
> index 865fd76..36cd0b7 100644
> --- a/net/bridge/br_netfilter.c
> +++ b/net/bridge/br_netfilter.c
> @@ -412,13 +412,8 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
>  	if (dnat_took_place(skb)) {
>  		if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
>  			struct flowi fl = {
> -				.nl_u = {
> -					.ip4_u = {
> -						 .daddr = iph->daddr,
> -						 .saddr = 0,
> -						 .tos = RT_TOS(iph->tos) },
> -				},
> -				.proto = 0,
> +				.fl4_dst = iph->daddr,
> +				.fl4_tos = RT_TOS(iph->tos),
>  			};

Are these actually equivalent?  You dropped two assignments to zero.
I always thought things on the stack weren't.

Thanks,

-Brian
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