[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/raw.h b/include/net/raw.h
index 1c411c4..1c4bc3e 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -37,6 +37,6 @@
 				    unsigned long raddr, unsigned long laddr,
 				    int dif);
 
-extern void raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
+extern int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
 
 #endif	/* _RAW_H */