1 files changed, 8 insertions, 17 deletions

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 1f29996e368a..39d44226e402 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -176,7 +176,7 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
 		goto out;
 
 	net = dev_net(skb->dev);
-	sk = __raw_v6_lookup(net, sk, nexthdr, daddr, saddr, IP6CB(skb)->iif);
+	sk = __raw_v6_lookup(net, sk, nexthdr, daddr, saddr, inet6_iif(skb));
 
 	while (sk) {
 		int filtered;
@@ -220,7 +220,7 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
 			}
 		}
 		sk = __raw_v6_lookup(net, sk_next(sk), nexthdr, daddr, saddr,
-				     IP6CB(skb)->iif);
+				     inet6_iif(skb));
 	}
 out:
 	read_unlock(&raw_v6_hashinfo.lock);
@@ -375,7 +375,7 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
 		net = dev_net(skb->dev);
 
 		while ((sk = __raw_v6_lookup(net, sk, nexthdr, saddr, daddr,
-						IP6CB(skb)->iif))) {
+						inet6_iif(skb)))) {
 			rawv6_err(sk, skb, NULL, type, code,
 					inner_offset, info);
 			sk = sk_next(sk);
@@ -506,7 +506,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 		sin6->sin6_addr = ipv6_hdr(skb)->saddr;
 		sin6->sin6_flowinfo = 0;
 		sin6->sin6_scope_id = ipv6_iface_scope_id(&sin6->sin6_addr,
-							  IP6CB(skb)->iif);
+							  inet6_iif(skb));
 		*addr_len = sizeof(*sin6);
 	}
 
@@ -588,8 +588,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
 	}
 
 	offset += skb_transport_offset(skb);
-	if (skb_copy_bits(skb, offset, &csum, 2))
-		BUG();
+	BUG_ON(skb_copy_bits(skb, offset, &csum, 2));
 
 	/* in case cksum was not initialized */
 	if (unlikely(csum))
@@ -601,8 +600,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
 	if (csum == 0 && fl6->flowi6_proto == IPPROTO_UDP)
 		csum = CSUM_MANGLED_0;
 
-	if (skb_store_bits(skb, offset, &csum, 2))
-		BUG();
+	BUG_ON(skb_store_bits(skb, offset, &csum, 2));
 
 send:
 	err = ip6_push_pending_frames(sk);
@@ -873,14 +871,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		err = PTR_ERR(dst);
 		goto out;
 	}
-	if (hlimit < 0) {
-		if (ipv6_addr_is_multicast(&fl6.daddr))
-			hlimit = np->mcast_hops;
-		else
-			hlimit = np->hop_limit;
-		if (hlimit < 0)
-			hlimit = ip6_dst_hoplimit(dst);
-	}
+	if (hlimit < 0)
+		hlimit = ip6_sk_dst_hoplimit(np, &fl6, dst);
 
 	if (tclass < 0)
 		tclass = np->tclass;
@@ -1328,7 +1320,6 @@ static struct inet_protosw rawv6_protosw = {
 	.protocol	= IPPROTO_IP,	/* wild card */
 	.prot		= &rawv6_prot,
 	.ops		= &inet6_sockraw_ops,
-	.no_check	= UDP_CSUM_DEFAULT,
 	.flags		= INET_PROTOSW_REUSE,
 };