[IPV6]: Check interface bindings on IPv6 raw socket reception

Take account of whether a socket is bound to a particular device when
selecting an IPv6 raw socket to receive a packet. Also perform this
check when receiving IPv6 packets with router alert options.

Signed-off-by: Andrew McDonald <andrew@mcdonald.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index ff3ec9822e36..ee9f1d36346c 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -551,7 +551,8 @@ static void icmpv6_notify(struct sk_buff *skb, int type, int code, u32 info)
 
         read_lock(&raw_v6_lock);
         if ((sk = sk_head(&raw_v6_htable[hash])) != NULL) {
-                while((sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr))) {
+                while((sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr,
+                                            skb->dev->ifindex))) {
                         rawv6_err(sk, skb, NULL, type, code, inner_offset, info);
                         sk = sk_next(sk);
                 }