| Magnus Damm | 1e6760c | 2008-02-07 19:50:52 +0900 | [diff] [blame] | 1 | #ifndef __ASM_SH_UACCESS_H |
| 2 | #define __ASM_SH_UACCESS_H |
| 3 | |
| Paul Mundt | 9b01bd9 | 2007-11-10 19:55:50 +0900 | [diff] [blame] | 4 | #ifdef CONFIG_SUPERH32 |
| 5 | # include "uaccess_32.h" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | #else |
| Paul Mundt | 9b01bd9 | 2007-11-10 19:55:50 +0900 | [diff] [blame] | 7 | # include "uaccess_64.h" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | #endif |
| Magnus Damm | 1e6760c | 2008-02-07 19:50:52 +0900 | [diff] [blame] | 9 | |
| 10 | static inline unsigned long |
| 11 | copy_from_user(void *to, const void __user *from, unsigned long n) |
| 12 | { |
| 13 | unsigned long __copy_from = (unsigned long) from; |
| 14 | __kernel_size_t __copy_size = (__kernel_size_t) n; |
| 15 | |
| 16 | if (__copy_size && __access_ok(__copy_from, __copy_size)) |
| 17 | return __copy_user(to, from, __copy_size); |
| 18 | |
| 19 | return __copy_size; |
| 20 | } |
| 21 | |
| 22 | static inline unsigned long |
| 23 | copy_to_user(void __user *to, const void *from, unsigned long n) |
| 24 | { |
| 25 | unsigned long __copy_to = (unsigned long) to; |
| 26 | __kernel_size_t __copy_size = (__kernel_size_t) n; |
| 27 | |
| 28 | if (__copy_size && __access_ok(__copy_to, __copy_size)) |
| 29 | return __copy_user(to, from, __copy_size); |
| 30 | |
| 31 | return __copy_size; |
| 32 | } |
| 33 | |
| 34 | #endif /* __ASM_SH_UACCESS_H */ |