ipv6: Normalize arguments to ip6_dst_blackhole().

Return a dst pointer which is potentitally error encoded.

Don't pass original dst pointer by reference, pass a struct net
instead of a socket, and elide the flow argument since it is
unnecessary.

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

1 files changed, 2 insertions, 3 deletions

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8f78aace0a9..5d125c1293a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -520,9 +520,8 @@ extern struct dst_entry *	ip6_sk_dst_lookup_flow(struct sock *sk,
                                                        struct flowi *fl,
                                                        const struct in6_addr *final_dst,
                                                        bool can_sleep);
-extern int                      ip6_dst_blackhole(struct sock *sk,
-                                                  struct dst_entry **dst,
-                                                  struct flowi *fl);
+extern struct dst_entry *       ip6_dst_blackhole(struct net *net,
+                                                  struct dst_entry *orig_dst);
 
 /*
  *      skb processing functions