[NET]: Annotate callers of the reset of checksum.h stuff.

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

net/core/skbuff.c

@@ -1294,7 +1294,7 @@ unsigned int skb_checksum(const struct sk_buff *skb, int offset,
 
 			end = start + list->len;
 			if ((copy = end - offset) > 0) {
-				unsigned int csum2;
+				__wsum csum2;
 				if (copy > len)
 					copy = len;
 				csum2 = skb_checksum(list, offset - start,

net/ipv4/icmp.c

@@ -332,7 +332,7 @@ static int icmp_glue_bits(void *from, char *to, int offset, int len, int odd,
 			  struct sk_buff *skb)
 {
 	struct icmp_bxm *icmp_param = (struct icmp_bxm *)from;
-	unsigned int csum;
+	__wsum csum;
 
 	csum = skb_copy_and_csum_bits(icmp_param->skb,
 				      icmp_param->offset + offset,

net/ipv4/ip_gre.c

@@ -877,7 +877,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 		if (tunnel->parms.o_flags&GRE_CSUM) {
 			*ptr = 0;
-			*(__be16*)ptr = ip_compute_csum((void*)(iph+1), skb->len - sizeof(struct iphdr));
+			*(__sum16*)ptr = ip_compute_csum((void*)(iph+1), skb->len - sizeof(struct iphdr));
 		}
 	}
 

net/ipv6/icmp.c

@@ -262,7 +262,7 @@ static int icmpv6_getfrag(void *from, char *to, int offset, int len, int odd, st
 {
 	struct icmpv6_msg *msg = (struct icmpv6_msg *) from;
 	struct sk_buff *org_skb = msg->skb;
-	__u32 csum = 0;
+	__wsum csum = 0;
 
 	csum = skb_copy_and_csum_bits(org_skb, msg->offset + offset,
 				      to, len, csum);

net/ipv6/raw.c

@@ -530,7 +530,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl,
 
 	/* in case cksum was not initialized */
 	if (unlikely(csum))
-		tmp_csum = csum_sub(tmp_csum, csum);
+		tmp_csum = csum_sub(tmp_csum, csum_unfold(csum));
 
 	csum = csum_ipv6_magic(&fl->fl6_src,
 				   &fl->fl6_dst,

net/sunrpc/socklib.c

@@ -45,7 +45,8 @@ static size_t skb_read_bits(skb_reader_t *desc, void *to, size_t len)
  */
 static size_t skb_read_and_csum_bits(skb_reader_t *desc, void *to, size_t len)
 {
-	unsigned int	csum2, pos;
+	unsigned int pos;
+	__wsum csum2;
 
 	if (len > desc->count)
 		len = desc->count;
@@ -160,7 +161,7 @@ int csum_partial_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb)
 	if (xdr_partial_copy_from_skb(xdr, 0, &desc, skb_read_and_csum_bits) < 0)
 		return -1;
 	if (desc.offset != skb->len) {
-		unsigned int csum2;
+		__wsum csum2;
 		csum2 = skb_checksum(skb, desc.offset, skb->len - desc.offset, 0);
 		desc.csum = csum_block_add(desc.csum, csum2, desc.offset);
 	}