[NET]: Annotate csum_tcpudp_magic() callers in net/*

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tcp.h

@@ -807,9 +807,9 @@ static inline void tcp_update_wl(struct tcp_sock *tp, u32 ack, u32 seq)
 /*
  * Calculate(/check) TCP checksum
  */
-static inline u16 tcp_v4_check(struct tcphdr *th, int len,
-			       unsigned long saddr, unsigned long daddr, 
-			       unsigned long base)
+static inline __sum16 tcp_v4_check(struct tcphdr *th, int len,
+			       __be32 saddr, __be32 daddr,
+			       __wsum base)
 {
 	return csum_tcpudp_magic(saddr,daddr,len,IPPROTO_TCP,base);
 }

net/ipv4/udp.c

@@ -414,8 +414,9 @@ static void udp_flush_pending_frames(struct sock *sk)
 static void udp4_hwcsum_outgoing(struct sock *sk, struct sk_buff *skb,
 				 __be32 src, __be32 dst, int len      )
 {
-	unsigned int csum = 0, offset;
+	unsigned int offset;
 	struct udphdr *uh = skb->h.uh;
+	__wsum csum = 0;
 
 	if (skb_queue_len(&sk->sk_write_queue) == 1) {
 		/*