[IPV4/6]: Check if packet was actually delivered to a raw socket to decide whether to send an ICMP unreachable

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/rawv6.h b/include/net/rawv6.h
index 887009a..14476a7 100644
--- a/include/net/rawv6.h
+++ b/include/net/rawv6.h
@@ -7,7 +7,7 @@
 extern struct hlist_head raw_v6_htable[RAWV6_HTABLE_SIZE];
 extern rwlock_t raw_v6_lock;
 
-extern void ipv6_raw_deliver(struct sk_buff *skb, int nexthdr);
+extern int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr);
 
 extern struct sock *__raw_v6_lookup(struct sock *sk, unsigned short num,
 				    struct in6_addr *loc_addr, struct in6_addr *rmt_addr,