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| author | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
| commit | 0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41 (patch) | |
| tree | b80b1d344ec24cad28b057ef803cebac9434be01 /include/asm-sh/uaccess.h | |
| parent | [CIFS] factoring out common code in get_inode_info functions (diff) | |
| parent | Linux 2.6.25-rc2 (diff) | |
| download | linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.tar.xz linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-sh/uaccess.h')
| -rw-r--r-- | include/asm-sh/uaccess.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-sh/uaccess.h b/include/asm-sh/uaccess.h index ff24ce95b238..b3440c305b5d 100644 --- a/include/asm-sh/uaccess.h +++ b/include/asm-sh/uaccess.h @@ -1,5 +1,34 @@ +#ifndef __ASM_SH_UACCESS_H +#define __ASM_SH_UACCESS_H + #ifdef CONFIG_SUPERH32 # include "uaccess_32.h" #else # include "uaccess_64.h" #endif + +static inline unsigned long +copy_from_user(void *to, const void __user *from, unsigned long n) +{ + unsigned long __copy_from = (unsigned long) from; + __kernel_size_t __copy_size = (__kernel_size_t) n; + + if (__copy_size && __access_ok(__copy_from, __copy_size)) + return __copy_user(to, from, __copy_size); + + return __copy_size; +} + +static inline unsigned long +copy_to_user(void __user *to, const void *from, unsigned long n) +{ + unsigned long __copy_to = (unsigned long) to; + __kernel_size_t __copy_size = (__kernel_size_t) n; + + if (__copy_size && __access_ok(__copy_to, __copy_size)) + return __copy_user(to, from, __copy_size); + + return __copy_size; +} + +#endif /* __ASM_SH_UACCESS_H */ |