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[NET]: M32R checksum annotations and cleanups.

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* 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>
This commit is contained in:
Al Viro 2006-11-14 21:16:55 -08:00 • committed by David S. Miller
parent 322529961e
commit 85d20dee20
2 changed files with 29 additions and 35 deletions
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12
arch/m32r/lib/csum_partial_copy.c
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@ -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;