netdev - Re: [PATCH net-next] ip6mr: change the prototype of ip6_mr

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Date:	Mon, 22 Jul 2013 22:47:54 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Rami Rosen <ramirose@...il.com>
CC:	davem@...emloft.net, yoshfuji@...ux-ipv6.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ip6mr: change the prototype of ip6_mr_forward().

Le 21/07/2013 02:00, Rami Rosen a écrit :
> This patch changes the prototpye of the ip6_mr_forward() method to return void
> instead of int.
>
> The ip6_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/ipv6/ip6mr.c | 11 +++++------
>   1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
> index 583e8d4..6d78615 100644
> --- a/net/ipv6/ip6mr.c
> +++ b/net/ipv6/ip6mr.c
> @@ -110,8 +110,8 @@ static struct kmem_cache *mrt_cachep __read_mostly;
>   static struct mr6_table *ip6mr_new_table(struct net *net, u32 id);
>   static void ip6mr_free_table(struct mr6_table *mrt);
>
> -static int ip6_mr_forward(struct net *net, struct mr6_table *mrt,
> -			  struct sk_buff *skb, struct mfc6_cache *cache);
> +static void ip6_mr_forward(struct net *net, struct mr6_table *mrt,
> +			   struct sk_buff *skb, struct mfc6_cache *cache);
>   static int ip6mr_cache_report(struct mr6_table *mrt, struct sk_buff *pkt,
>   			      mifi_t mifi, int assert);
>   static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb,
> @@ -2069,8 +2069,8 @@ static int ip6mr_find_vif(struct mr6_table *mrt, struct net_device *dev)
>   	return ct;
>   }
>
> -static int ip6_mr_forward(struct net *net, struct mr6_table *mrt,
> -			  struct sk_buff *skb, struct mfc6_cache *cache)
> +static void ip6_mr_forward(struct net *net, struct mr6_table *mrt,
> +			   struct sk_buff *skb, struct mfc6_cache *cache)
>   {
>   	int psend = -1;
>   	int vif, ct;
> @@ -2151,12 +2151,11 @@ forward:
>   last_forward:
>   	if (psend != -1) {
>   		ip6mr_forward2(net, mrt, skb, cache, psend);
> -		return 0;
> +		return;
>   	}
>
>   dont_forward:
>   	kfree_skb(skb);
> -	return 0;
>   }
--
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