netdev - Re: [PATCH v3 net-next] ipmr: change the prototype of ip_mr

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Date:	Sat, 20 Jul 2013 22:21:49 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Rami Rosen <ramirose@...il.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH v3 net-next] ipmr: change the prototype of ip_mr_forward().

Le 20/07/2013 14:09, Rami Rosen a écrit :
> This patch changes the prototpye of the ip_mr_forward() method to return void
> instead of int.
>
> The ip_mr_forward() method always returns 0; moreover, the return value of this
> method is not checked anywhere.
>
> Signed-off-by: Rami Rosen <ramirose@...il.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>

> ---
>   net/ipv4/ipmr.c | 15 +++++++--------
>   1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
> index 132a096..bacc0bc 100644
> --- a/net/ipv4/ipmr.c
> +++ b/net/ipv4/ipmr.c
> @@ -127,9 +127,9 @@ static struct kmem_cache *mrt_cachep __read_mostly;
>   static struct mr_table *ipmr_new_table(struct net *net, u32 id);
>   static void ipmr_free_table(struct mr_table *mrt);
>
> -static int ip_mr_forward(struct net *net, struct mr_table *mrt,
> -			 struct sk_buff *skb, struct mfc_cache *cache,
> -			 int local);
> +static void ip_mr_forward(struct net *net, struct mr_table *mrt,
> +			  struct sk_buff *skb, struct mfc_cache *cache,
> +			  int local);
>   static int ipmr_cache_report(struct mr_table *mrt,
>   			     struct sk_buff *pkt, vifi_t vifi, int assert);
>   static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
> @@ -1795,9 +1795,9 @@ static int ipmr_find_vif(struct mr_table *mrt, struct net_device *dev)
>
>   /* "local" means that we should preserve one skb (for local delivery) */
>
> -static int ip_mr_forward(struct net *net, struct mr_table *mrt,
> -			 struct sk_buff *skb, struct mfc_cache *cache,
> -			 int local)
> +static void ip_mr_forward(struct net *net, struct mr_table *mrt,
> +			  struct sk_buff *skb, struct mfc_cache *cache,
> +			  int local)
>   {
>   	int psend = -1;
>   	int vif, ct;
> @@ -1903,14 +1903,13 @@ last_forward:
>   				ipmr_queue_xmit(net, mrt, skb2, cache, psend);
>   		} else {
>   			ipmr_queue_xmit(net, mrt, skb, cache, psend);
> -			return 0;
> +			return;
>   		}
>   	}
>
>   dont_forward:
>   	if (!local)
>   		kfree_skb(skb);
> -	return 0;
>   }
>
>   static struct mr_table *ipmr_rt_fib_lookup(struct net *net, struct sk_buff *skb)
>

-- 
Nicolas DICHTEL
6WIND
R&D Engineer

Tel: +33 1 39 30 92 41
Fax: +33 1 39 30 92 11
nicolas.dichtel@...nd.com
www.6wind.com
www.6windblog.com
Twitter: http://twitter.com/6windsoftware

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