1 files changed, 29 insertions, 23 deletions

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 203e069e7fe9..009a1047fc3f 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -152,7 +152,7 @@ int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
         int delivered = 0;
         __u8 hash;
 
-        saddr = &skb->nh.ipv6h->saddr;
+        saddr = &ipv6_hdr(skb)->saddr;
         daddr = saddr + 1;
 
         hash = nexthdr & (MAX_INET_PROTOS - 1);
@@ -361,17 +361,18 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
                 skb->ip_summed = CHECKSUM_UNNECESSARY;
 
         if (skb->ip_summed == CHECKSUM_COMPLETE) {
-                skb_postpull_rcsum(skb, skb->nh.raw,
-                                   skb->h.raw - skb->nh.raw);
-                if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-                                     &skb->nh.ipv6h->daddr,
+                skb_postpull_rcsum(skb, skb_network_header(skb),
+                                   skb_network_header_len(skb));
+                if (!csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+                                     &ipv6_hdr(skb)->daddr,
                                      skb->len, inet->num, skb->csum))
                         skb->ip_summed = CHECKSUM_UNNECESSARY;
         }
-        if (skb->ip_summed != CHECKSUM_UNNECESSARY)
-                skb->csum = ~csum_unfold(csum_ipv6_magic(&skb->nh.ipv6h->saddr,
-                                             &skb->nh.ipv6h->daddr,
-                                             skb->len, inet->num, 0));
+        if (!skb_csum_unnecessary(skb))
+                skb->csum = ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+                                                         &ipv6_hdr(skb)->daddr,
+                                                         skb->len,
+                                                         inet->num, 0));
 
         if (inet->hdrincl) {
                 if (skb_checksum_complete(skb)) {
@@ -420,7 +421,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
                 msg->msg_flags |= MSG_TRUNC;
         }
 
-        if (skb->ip_summed==CHECKSUM_UNNECESSARY) {
+        if (skb_csum_unnecessary(skb)) {
                 err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
         } else if (msg->msg_flags&MSG_TRUNC) {
                 if (__skb_checksum_complete(skb))
@@ -438,7 +439,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
         if (sin6) {
                 sin6->sin6_family = AF_INET6;
                 sin6->sin6_port = 0;
-                ipv6_addr_copy(&sin6->sin6_addr, &skb->nh.ipv6h->saddr);
+                ipv6_addr_copy(&sin6->sin6_addr, &ipv6_hdr(skb)->saddr);
                 sin6->sin6_flowinfo = 0;
                 sin6->sin6_scope_id = 0;
                 if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
@@ -488,7 +489,8 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
                 goto out;
 
         offset = rp->offset;
-        total_len = inet_sk(sk)->cork.length - (skb->nh.raw - skb->data);
+        total_len = inet_sk(sk)->cork.length - (skb_network_header(skb) -
+                                                skb->data);
         if (offset >= total_len - 1) {
                 err = -EINVAL;
                 ip6_flush_pending_frames(sk);
@@ -511,7 +513,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
                         if (csum_skb)
                                 continue;
 
-                        len = skb->len - (skb->h.raw - skb->data);
+                        len = skb->len - skb_transport_offset(skb);
                         if (offset >= len) {
                                 offset -= len;
                                 continue;
@@ -523,7 +525,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
                 skb = csum_skb;
         }
 
-        offset += skb->h.raw - skb->data;
+        offset += skb_transport_offset(skb);
         if (skb_copy_bits(skb, offset, &csum, 2))
                 BUG();
 
@@ -575,11 +577,13 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
         skb->priority = sk->sk_priority;
         skb->dst = dst_clone(&rt->u.dst);
 
-        skb->nh.ipv6h = iph = (struct ipv6hdr *)skb_put(skb, length);
+        skb_put(skb, length);
+        skb_reset_network_header(skb);
+        iph = ipv6_hdr(skb);
 
         skb->ip_summed = CHECKSUM_NONE;
 
-        skb->h.raw = skb->nh.raw;
+        skb->transport_header = skb->network_header;
         err = memcpy_fromiovecend((void *)iph, from, 0, length);
         if (err)
                 goto error_fault;
@@ -878,7 +882,7 @@ static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
                 return 0;
         default:
                 return -ENOPROTOOPT;
-        };
+        }
 
         return 0;
 }
@@ -903,7 +907,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
                 return 0;
         default:
                 return -ENOPROTOOPT;
-        };
+        }
 
         return 0;
 }
@@ -957,7 +961,8 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
                 default:
                         return ipv6_setsockopt(sk, level, optname, optval,
                                                optlen);
-        };
+        }
+
         return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
 }
 
@@ -978,7 +983,7 @@ static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
         default:
                 return compat_ipv6_setsockopt(sk, level, optname,
                                               optval, optlen);
-        };
+        }
         return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
 }
 #endif
@@ -1031,7 +1036,8 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
                 default:
                         return ipv6_getsockopt(sk, level, optname, optval,
                                                optlen);
-        };
+        }
+
         return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
 }
 
@@ -1052,7 +1058,7 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
         default:
                 return compat_ipv6_getsockopt(sk, level, optname,
                                               optval, optlen);
-        };
+        }
         return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
 }
 #endif
@@ -1073,7 +1079,7 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
                         spin_lock_bh(&sk->sk_receive_queue.lock);
                         skb = skb_peek(&sk->sk_receive_queue);
                         if (skb != NULL)
-                                amount = skb->tail - skb->h.raw;
+                                amount = skb->tail - skb->transport_header;
                         spin_unlock_bh(&sk->sk_receive_queue.lock);
                         return put_user(amount, (int __user *)arg);
                 }