summaryrefslogtreecommitdiffstats
path: root/arch/um/include/sysdep-x86_64/checksum.h
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-22 21:50:57 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-22 21:50:57 -0400
commita5324343955997d1439f26518ddac567cd5d134b (patch)
treef43558389c41e3a0f076c4ee55d77c4aa1561779 /arch/um/include/sysdep-x86_64/checksum.h
parent8199d3a79c224bbe5943fa08684e1f93a17881b0 (diff)
parenta4936044001694f033fe4ea94d6034d51a6b465c (diff)
downloadblackbird-op-linux-a5324343955997d1439f26518ddac567cd5d134b.tar.gz
blackbird-op-linux-a5324343955997d1439f26518ddac567cd5d134b.zip
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/um/include/sysdep-x86_64/checksum.h')
-rw-r--r--arch/um/include/sysdep-x86_64/checksum.h26
1 files changed, 10 insertions, 16 deletions
diff --git a/arch/um/include/sysdep-x86_64/checksum.h b/arch/um/include/sysdep-x86_64/checksum.h
index 572c6c19be33..ea97005af694 100644
--- a/arch/um/include/sysdep-x86_64/checksum.h
+++ b/arch/um/include/sysdep-x86_64/checksum.h
@@ -9,8 +9,6 @@
#include "linux/in6.h"
#include "asm/uaccess.h"
-extern unsigned int csum_partial_copy_from(const unsigned char *src, unsigned char *dst, int len,
- int sum, int *err_ptr);
extern unsigned csum_partial(const unsigned char *buff, unsigned len,
unsigned sum);
@@ -31,10 +29,15 @@ unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *
}
static __inline__
-unsigned int csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst,
- int len, int sum, int *err_ptr)
+unsigned int csum_partial_copy_from_user(const unsigned char *src,
+ unsigned char *dst, int len, int sum,
+ int *err_ptr)
{
- return csum_partial_copy_from(src, dst, len, sum, err_ptr);
+ if(copy_from_user(dst, src, len)){
+ *err_ptr = -EFAULT;
+ return(-1);
+ }
+ return csum_partial(dst, len, sum);
}
/**
@@ -137,15 +140,6 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
return a;
}
-#endif
+extern unsigned short ip_compute_csum(unsigned char * buff, int len);
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif
OpenPOWER on IntegriCloud