ip6mr: change the prototype of ip6_mr_forward().

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

1 files changed, 5 insertions, 6 deletions

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 583e8d435f9a..6d78615f6726 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;
 }