ipv6: Eliminate dst_get_neighbour_noref() usage in ip6_forward().

It's only used to get at neigh->primary_key, which in this context is
always going to be the same as rt->rt6i_gateway.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 5 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 604809b89b67..7a98fc2a5d97 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -388,7 +388,6 @@ int ip6_forward(struct sk_buff *skb)
         struct ipv6hdr *hdr = ipv6_hdr(skb);
         struct inet6_skb_parm *opt = IP6CB(skb);
         struct net *net = dev_net(dst->dev);
-        struct neighbour *n;
         u32 mtu;
 
         if (net->ipv6.devconf_all->forwarding == 0)
@@ -463,8 +462,7 @@ int ip6_forward(struct sk_buff *skb)
            send redirects to source routed frames.
            We don't send redirects to frames decapsulated from IPsec.
          */
-        n = dst_get_neighbour_noref(dst);
-        if (skb->dev == dst->dev && n && opt->srcrt == 0 && !skb_sec_path(skb)) {
+        if (skb->dev == dst->dev && opt->srcrt == 0 && !skb_sec_path(skb)) {
                 struct in6_addr *target = NULL;
                 struct rt6_info *rt;
 
@@ -474,8 +472,8 @@ int ip6_forward(struct sk_buff *skb)
                  */
 
                 rt = (struct rt6_info *) dst;
-                if ((rt->rt6i_flags & RTF_GATEWAY))
-                        target = (struct in6_addr*)&n->primary_key;
+                if (rt->rt6i_flags & RTF_GATEWAY)
+                        target = &rt->rt6i_gateway;
                 else
                         target = &hdr->daddr;