1 files changed, 4 insertions, 7 deletions

diff --git a/include/net/udp.h b/include/net/udp.h
index 1b921fa81474..98755ebaf163 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -72,15 +72,12 @@ struct sk_buff;
  */
 static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)
 {
-        if (! UDP_SKB_CB(skb)->partial_cov)
-                return __skb_checksum_complete(skb);
-        return csum_fold(skb_checksum(skb, 0, UDP_SKB_CB(skb)->cscov,
-                                      skb->csum));
+        return __skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov);
 }
 
 static inline int udp_lib_checksum_complete(struct sk_buff *skb)
 {
-        return skb->ip_summed != CHECKSUM_UNNECESSARY &&
+        return !skb_csum_unnecessary(skb) &&
                 __udp_lib_checksum_complete(skb);
 }
 
@@ -92,8 +89,8 @@ static inline int udp_lib_checksum_complete(struct sk_buff *skb)
  */
 static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)
 {
-        __wsum csum = csum_partial(skb->h.raw, sizeof(struct udphdr), 0);
-
+        __wsum csum = csum_partial(skb_transport_header(skb),
+                                   sizeof(struct udphdr), 0);
         skb_queue_walk(&sk->sk_write_queue, skb) {
                 csum = csum_add(csum, skb->csum);
         }