Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx

[sfrench/cifs-2.6.git] / arch / h8300 / lib / checksum.c

diff --git a/arch/h8300/lib/checksum.c b/arch/h8300/lib/checksum.c
index 5aa688d9242de97378f25fb77334cfc7883c7c89..bdc5b032acd6fcdc131103a4f35b8e3f40fb00b9 100644 (file)
--- a/arch/h8300/lib/checksum.c
+++ b/arch/h8300/lib/checksum.c
@@ -96,9 +96,9 @@ out:
  *     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(const void *iph, unsigned int ihl)
 {
-       return ~do_csum(iph,ihl*4);
+       return (__force __sum16)~do_csum(iph,ihl*4);
 }
 
 /*
@@ -113,15 +113,19 @@ 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)
+/*
+ * Egads...  That thing apparently assumes that *all* checksums it ever sees will
+ * be folded.  Very likely a bug.
+ */
+__wsum csum_partial(const void *buff, int len, __wsum sum)
 {
        unsigned int result = do_csum(buff, len);
 
        /* add in old sum, and carry.. */
-       result += sum;
+       result += (__force u32)sum;
        /* 16+c bits -> 16 bits */
        result = (result & 0xffff) + (result >> 16);
-       return result;
+       return (__force __wsum)result;
 }
 
 EXPORT_SYMBOL(csum_partial);
@@ -130,20 +134,21 @@ EXPORT_SYMBOL(csum_partial);
  * 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 char *src, 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 const void *)src, len);
        return csum_partial(dst, len, sum);
 }
 
@@ -151,8 +156,8 @@ csum_partial_copy_from_user(const char *src, char *dst, int len, int sum, int *c
  * copy from ds while checksumming, otherwise like csum_partial
  */
 
-unsigned int
-csum_partial_copy(const char *src, char *dst, int len, int sum)
+__wsum
+csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
 {
        memcpy(dst, src, len);
        return csum_partial(dst, len, sum);