1 files changed, 21 insertions, 25 deletions

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index c8b7dc2c3257..16eda21fb38c 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -937,11 +937,11 @@ static unsigned long atalk_sum_partial(const unsigned char *data,
 static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
                                    int len, unsigned long sum)
 {
-        int start = skb_headlen(skb);
+        int end = skb_headlen(skb);
         int i, copy;
 
         /* checksum stuff in header space */
-        if ( (copy = start - offset) > 0) {
+        if ((copy = end - offset) > 0) {
                 if (copy > len)
                         copy = len;
                 sum = atalk_sum_partial(skb->data + offset, copy, sum);
@@ -953,11 +953,9 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
 
         /* checksum stuff in frags */
         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
-                int end;
+                BUG_TRAP(len >= 0);
 
-                BUG_TRAP(start <= offset + len);
-
-                end = start + skb_shinfo(skb)->frags[i].size;
+                end = offset + skb_shinfo(skb)->frags[i].size;
                 if ((copy = end - offset) > 0) {
                         u8 *vaddr;
                         skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
@@ -965,36 +963,31 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
                         if (copy > len)
                                 copy = len;
                         vaddr = kmap_skb_frag(frag);
-                        sum = atalk_sum_partial(vaddr + frag->page_offset +
-                                                  offset - start, copy, sum);
+                        sum = atalk_sum_partial(vaddr + frag->page_offset,
+                                                copy, sum);
                         kunmap_skb_frag(vaddr);
 
                         if (!(len -= copy))
                                 return sum;
                         offset += copy;
                 }
-                start = end;
         }
 
         if (skb_shinfo(skb)->frag_list) {
                 struct sk_buff *list = skb_shinfo(skb)->frag_list;
 
                 for (; list; list = list->next) {
-                        int end;
-
-                        BUG_TRAP(start <= offset + len);
+                        BUG_TRAP(len >= 0);
 
-                        end = start + list->len;
+                        end = offset + list->len;
                         if ((copy = end - offset) > 0) {
                                 if (copy > len)
                                         copy = len;
-                                sum = atalk_sum_skb(list, offset - start,
-                                                    copy, sum);
+                                sum = atalk_sum_skb(list, 0, copy, sum);
                                 if ((len -= copy) == 0)
                                         return sum;
                                 offset += copy;
                         }
-                        start = end;
                 }
         }
 
@@ -1275,7 +1268,7 @@ static int handle_ip_over_ddp(struct sk_buff *skb)
         skb->protocol = htons(ETH_P_IP);
         skb_pull(skb, 13);
         skb->dev   = dev;
-        skb->h.raw = skb->data;
+        skb_reset_transport_header(skb);
 
         stats = dev->priv;
         stats->rx_packets++;
@@ -1383,10 +1376,10 @@ free_it:
  *      @pt - packet type
  *
  *      Receive a packet (in skb) from device dev. This has come from the SNAP
- *      decoder, and on entry skb->h.raw is the DDP header, skb->len is the DDP
- *      header, skb->len is the DDP length. The physical headers have been
- *      extracted. PPP should probably pass frames marked as for this layer.
- *      [ie ARPHRD_ETHERTALK]
+ *      decoder, and on entry skb->transport_header is the DDP header, skb->len
+ *      is the DDP header, skb->len is the DDP length. The physical headers
+ *      have been extracted. PPP should probably pass frames marked as for this
+ *      layer.  [ie ARPHRD_ETHERTALK]
  */
 static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
                      struct packet_type *pt, struct net_device *orig_dev)
@@ -1484,7 +1477,7 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
                      struct packet_type *pt, struct net_device *orig_dev)
 {
         /* Expand any short form frames */
-        if (skb->mac.raw[2] == 1) {
+        if (skb_mac_header(skb)[2] == 1) {
                 struct ddpehdr *ddp;
                 /* Find our address */
                 struct atalk_addr *ap = atalk_find_dev_addr(dev);
@@ -1510,8 +1503,8 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
                  * we write the network numbers !
                  */
 
-                ddp->deh_dnode = skb->mac.raw[0];     /* From physical header */
-                ddp->deh_snode = skb->mac.raw[1];     /* From physical header */
+                ddp->deh_dnode = skb_mac_header(skb)[0];     /* From physical header */
+                ddp->deh_snode = skb_mac_header(skb)[1];     /* From physical header */
 
                 ddp->deh_dnet  = ap->s_net;     /* Network number */
                 ddp->deh_snet  = ap->s_net;
@@ -1522,7 +1515,7 @@ static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
                 /* Non routable, so force a drop if we slip up later */
                 ddp->deh_len_hops = htons(skb->len + (DDP_MAXHOPS << 10));
         }
-        skb->h.raw = skb->data;
+        skb_reset_transport_header(skb);
 
         return atalk_rcv(skb, dev, pt, orig_dev);
 freeit:
@@ -1771,6 +1764,9 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                 case SIOCGSTAMP:
                         rc = sock_get_timestamp(sk, argp);
                         break;
+                case SIOCGSTAMPNS:
+                        rc = sock_get_timestampns(sk, argp);
+                        break;
                 /* Routing */
                 case SIOCADDRT:
                 case SIOCDELRT: