tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
10static inline unsigned long
11copy_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
22static inline unsigned long
23copy_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 */