[NET]: M68K checksum annotations and cleanups.

* sanitize prototypes, annotate

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/m68k/lib/checksum.c b/arch/m68k/lib/checksum.c
index cb13c6e..aed3be2 100644
--- a/arch/m68k/lib/checksum.c
+++ b/arch/m68k/lib/checksum.c
@@ -39,8 +39,7 @@
  * computes a partial checksum, e.g. for TCP/UDP fragments
  */
 
-unsigned int
-csum_partial (const unsigned char *buff, int len, unsigned int sum)
+__wsum csum_partial(const void *buff, int len, __wsum sum)
 {
 	unsigned long tmp1, tmp2;
 	  /*
@@ -133,9 +132,9 @@
  * copy from user space while checksumming, with exception handling.
  */
 
-unsigned int
-csum_partial_copy_from_user(const unsigned char __user *src, unsigned char *dst,
-			    int len, int sum, int *csum_err)
+__wsum
+csum_partial_copy_from_user(const void __user *src, void *dst,
+			    int len, __wsum sum, int *csum_err)
 {
 	/*
 	 * GCC doesn't like more than 10 operands for the asm
@@ -325,8 +324,8 @@
  * copy from kernel space while checksumming, otherwise like csum_partial
  */
 
-unsigned int
-csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst, int len, int sum)
+__wsum
+csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
 {
 	unsigned long tmp1, tmp2;
 	__asm__("movel %2,%4\n\t"