fs/affs/file.c: use BUG_ON
[safe/jmp/linux-2.6] / include / asm-sh / uaccess.h
1 #ifndef __ASM_SH_UACCESS_H
2 #define __ASM_SH_UACCESS_H
3
4 #ifdef CONFIG_SUPERH32
5 # include "uaccess_32.h"
6 #else
7 # include "uaccess_64.h"
8 #endif
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 */