ipmr: change the prototype of ip_mr_forward().

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@gmail.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 132a096..bacc0bc 100644 (file)
--- 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)