[NET]: Annotate skb_checksum() and callers.

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

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 64fa7f4..784129f 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1334,8 +1334,8 @@ extern int               skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
 extern void           skb_free_datagram(struct sock *sk, struct sk_buff *skb);
 extern void           skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                         unsigned int flags);
-extern unsigned int    skb_checksum(const struct sk_buff *skb, int offset,
-                                   int len, unsigned int csum);
+extern __wsum         skb_checksum(const struct sk_buff *skb, int offset,
+                                   int len, __wsum csum);
 extern int            skb_copy_bits(const struct sk_buff *skb, int offset,
                                     void *to, int len);
 extern int            skb_store_bits(const struct sk_buff *skb, int offset,

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 6e8c15b..be9b541 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1240,8 +1240,8 @@ EXPORT_SYMBOL(skb_store_bits);
 
 /* Checksum skb data. */
 
-unsigned int skb_checksum(const struct sk_buff *skb, int offset,
-                         int len, unsigned int csum)
+__wsum skb_checksum(const struct sk_buff *skb, int offset,
+                         int len, __wsum csum)
 {
        int start = skb_headlen(skb);
        int i, copy = start - offset;