commit d3bc23e7ee9db8023dff5a86bb3b0069ed018789
author Al Viro <viro@zeniv.linux.org.uk> Tue Nov 14 21:24:49 2006 -0800
committer David S. Miller <davem@sunset.davemloft.net> Sat Dec 02 21:23:27 2006 -0800
tree f281b190a20084386666e0f3bb957df427b93ca7
parent 9981a0e36a572e9fcf84bfab915fdc93bed0e3c9

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

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

net/core/datagram.c

diff --git a/net/core/datagram.c b/net/core/datagram.c
index f558c61..e5a05a0 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -413,9 +413,9 @@
 
 unsigned int __skb_checksum_complete(struct sk_buff *skb)
 {
-	unsigned int sum;
+	__sum16 sum;
 
-	sum = (u16)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
+	sum = csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
 	if (likely(!sum)) {
 		if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
 			netdev_rx_csum_fault(skb->dev);
@@ -441,7 +441,7 @@
 int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
 				     int hlen, struct iovec *iov)
 {
-	unsigned int csum;
+	__wsum csum;
 	int chunk = skb->len - hlen;
 
 	/* Skip filled elements.
@@ -460,7 +460,7 @@
 		if (skb_copy_and_csum_datagram(skb, hlen, iov->iov_base,
 					       chunk, &csum))
 			goto fault;
-		if ((unsigned short)csum_fold(csum))
+		if (csum_fold(csum))
 			goto csum_error;
 		if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
 			netdev_rx_csum_fault(skb->dev);

net/core/dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index a7be106..1a36b17 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1169,7 +1169,7 @@
  */
 int skb_checksum_help(struct sk_buff *skb)
 {
-	unsigned int csum;
+	__wsum csum;
 	int ret = 0, offset = skb->h.raw - skb->data;
 
 	if (skb->ip_summed == CHECKSUM_COMPLETE)
@@ -1193,7 +1193,7 @@
 	BUG_ON(offset <= 0);
 	BUG_ON(skb->csum + 2 > offset);
 
-	*(u16*)(skb->h.raw + skb->csum) = csum_fold(csum);
+	*(__sum16*)(skb->h.raw + skb->csum) = csum_fold(csum);
 
 out_set_summed:
 	skb->ip_summed = CHECKSUM_NONE;

net/core/netpoll.c

diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 523141e..edd3246 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -88,7 +88,7 @@
 	psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0);
 
 	if (skb->ip_summed == CHECKSUM_COMPLETE &&
-	    !(u16)csum_fold(csum_add(psum, skb->csum)))
+	    !csum_fold(csum_add(psum, skb->csum)))
 		return 0;
 
 	skb->csum = psum;

net/core/skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b3dea1e..dfa02cc 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1396,7 +1396,7 @@
 
 void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
 {
-	unsigned int csum;
+	__wsum csum;
 	long csstart;
 
 	if (skb->ip_summed == CHECKSUM_PARTIAL)
@@ -1416,7 +1416,7 @@
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		long csstuff = csstart + skb->csum;
 
-		*((unsigned short *)(to + csstuff)) = csum_fold(csum);
+		*((__sum16 *)(to + csstuff)) = csum_fold(csum);
 	}
 }