[NET]: M32R checksum annotations and cleanups.

* sanitize prototypes, annotate
* ntohs -> shift in checksum calculations in l-e case
* kill shift-by-16 in checksum calculations

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

1 files changed, 5 insertions, 7 deletions

diff --git a/arch/m32r/lib/csum_partial_copy.c b/arch/m32r/lib/csum_partial_copy.c
index 3d5f06145854..5596f3df833f 100644
--- a/arch/m32r/lib/csum_partial_copy.c
+++ b/arch/m32r/lib/csum_partial_copy.c
@@ -27,9 +27,8 @@
 /*
  * Copy while checksumming, otherwise like csum_partial
  */
-unsigned int
-csum_partial_copy_nocheck (const unsigned char *src, unsigned char *dst,
-                           int len, unsigned int sum)
+__wsum
+csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
 {
         sum = csum_partial(src, len, sum);
         memcpy(dst, src, len);
@@ -42,10 +41,9 @@ EXPORT_SYMBOL(csum_partial_copy_nocheck);
  * Copy from userspace and compute checksum.  If we catch an exception
  * then zero the rest of the buffer.
  */
-unsigned int
-csum_partial_copy_from_user (const unsigned char __user *src,
-                             unsigned char *dst,
-                             int len, unsigned int sum, int *err_ptr)
+__wsum
+csum_partial_copy_from_user (const void __user *src, void *dst,
+                             int len, __wsum sum, int *err_ptr)
 {
         int missing;