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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-19 16:33:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-19 16:33:29 -0700
commit754cdd4aba225b74dcc35cc384aeb0c42b505e8b (patch)
tree8647f635336748667d68e68940dec1fcf88d51dd /arch/blackfin/lib/checksum.c
parentdb07b02304d0d70bf8273abc93d94e4c8d2f9cec (diff)
parent460ed2ea04da012e5575eb357a47a7f6407767de (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: Blackfin SPORTS UART Driver: converting BFIN->BLACKFIN Blackfin serial driver: add extra IRQ flag for 8250 serial driver 8250 Serial Driver: Added support for 8250-class UARTs in HV Sistemas H8606 board Blackfin arch: Fix bug - USB fails to build for BF524/BF526 Blackfin arch: update boards defconfig files Blackfin arch: IO Port functions to read/write unalligned memory Blackfin arch: enable a choice to provide 4M DMA memory Blackfin arch: cleanup the icplb/dcplb multiple hit checks Blackfin arch: Add workaround to read edge triggered GPIOs Blackfin arch: Sync channel defines with struct dma_register dma_io_base_addr. Blackfin arch: Check for Anomaly 05000182 [Blackfin] arch: rename bf5xx-flash to bfin-async-flash [Blackfin] arch: Blackfin checksum annotations
Diffstat (limited to 'arch/blackfin/lib/checksum.c')
-rw-r--r--arch/blackfin/lib/checksum.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/blackfin/lib/checksum.c b/arch/blackfin/lib/checksum.c
index 42768e0c80c..5c87505165d 100644
--- a/arch/blackfin/lib/checksum.c
+++ b/arch/blackfin/lib/checksum.c
@@ -72,9 +72,9 @@ static unsigned short do_csum(const unsigned char *buff, int len)
* This is a version of ip_compute_csum() optimized for IP headers,
* which always checksum on 4 octet boundaries.
*/
-unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
+__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl)
{
- return ~do_csum(iph, ihl * 4);
+ return (__force __sum16)~do_csum(iph, ihl * 4);
}
/*
@@ -89,7 +89,7 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
*
* it's best to have buff aligned on a 32-bit boundary
*/
-unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum)
+__wsum csum_partial(const void *buff, int len, __wsum sum)
{
/*
* Just in case we get nasty checksum data...
@@ -109,22 +109,22 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum)
* this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c
*/
-unsigned short ip_compute_csum(const unsigned char *buff, int len)
+__sum16 ip_compute_csum(const void *buff, int len)
{
- return ~do_csum(buff, len);
+ return (__force __sum16)~do_csum(buff, len);
}
/*
* copy from fs while checksumming, otherwise like csum_partial
*/
-unsigned int
-csum_partial_copy_from_user(const unsigned char *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)
{
if (csum_err)
*csum_err = 0;
- memcpy(dst, src, len);
+ memcpy(dst, (__force void *)src, len);
return csum_partial(dst, len, sum);
}
@@ -132,8 +132,7 @@ csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst,
* copy from ds while checksumming, otherwise like csum_partial
*/
-unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst,
- int len, int sum)
+__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
{
memcpy(dst, src, len);
return csum_partial(dst, len, sum);