[NET]: Annotate skb_checksum() and callers.
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 64fa7f4..784129f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1334,8 +1334,8 @@
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
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1240,8 +1240,8 @@
/* 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;
