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-rw-r--r--include/asm-sh/uaccess.h29
-rw-r--r--include/asm-sh/uaccess_32.h24
-rw-r--r--include/asm-sh/uaccess_64.h19
3 files changed, 32 insertions, 40 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 @@
1#ifndef __ASM_SH_UACCESS_H
2#define __ASM_SH_UACCESS_H
3
1#ifdef CONFIG_SUPERH32 4#ifdef CONFIG_SUPERH32
2# include "uaccess_32.h" 5# include "uaccess_32.h"
3#else 6#else
4# include "uaccess_64.h" 7# include "uaccess_64.h"
5#endif 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 */
diff --git a/include/asm-sh/uaccess_32.h b/include/asm-sh/uaccess_32.h
index b6082f3c1dc4..c0318b608893 100644
--- a/include/asm-sh/uaccess_32.h
+++ b/include/asm-sh/uaccess_32.h
@@ -10,8 +10,8 @@
10 * Copyright (C) 1996, 1997, 1998 by Ralf Baechle 10 * Copyright (C) 1996, 1997, 1998 by Ralf Baechle
11 * and i386 version. 11 * and i386 version.
12 */ 12 */
13#ifndef __ASM_SH_UACCESS_H 13#ifndef __ASM_SH_UACCESS_32_H
14#define __ASM_SH_UACCESS_H 14#define __ASM_SH_UACCESS_32_H
15 15
16#include <linux/errno.h> 16#include <linux/errno.h>
17#include <linux/sched.h> 17#include <linux/sched.h>
@@ -302,24 +302,6 @@ extern void __put_user_unknown(void);
302/* Return the number of bytes NOT copied */ 302/* Return the number of bytes NOT copied */
303__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); 303__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
304 304
305#define copy_to_user(to,from,n) ({ \
306void *__copy_to = (void *) (to); \
307__kernel_size_t __copy_size = (__kernel_size_t) (n); \
308__kernel_size_t __copy_res; \
309if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \
310__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \
311} else __copy_res = __copy_size; \
312__copy_res; })
313
314#define copy_from_user(to,from,n) ({ \
315void *__copy_to = (void *) (to); \
316void *__copy_from = (void *) (from); \
317__kernel_size_t __copy_size = (__kernel_size_t) (n); \
318__kernel_size_t __copy_res; \
319if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \
320__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \
321} else __copy_res = __copy_size; \
322__copy_res; })
323 305
324static __always_inline unsigned long 306static __always_inline unsigned long
325__copy_from_user(void *to, const void __user *from, unsigned long n) 307__copy_from_user(void *to, const void __user *from, unsigned long n)
@@ -507,4 +489,4 @@ struct exception_table_entry
507 489
508extern int fixup_exception(struct pt_regs *regs); 490extern int fixup_exception(struct pt_regs *regs);
509 491
510#endif /* __ASM_SH_UACCESS_H */ 492#endif /* __ASM_SH_UACCESS_32_H */
diff --git a/include/asm-sh/uaccess_64.h b/include/asm-sh/uaccess_64.h
index d54ec082d25a..f956b7b316c7 100644
--- a/include/asm-sh/uaccess_64.h
+++ b/include/asm-sh/uaccess_64.h
@@ -202,15 +202,6 @@ extern void __put_user_unknown(void);
202/* XXX: should be such that: 4byte and the rest. */ 202/* XXX: should be such that: 4byte and the rest. */
203extern __kernel_size_t __copy_user(void *__to, const void *__from, __kernel_size_t __n); 203extern __kernel_size_t __copy_user(void *__to, const void *__from, __kernel_size_t __n);
204 204
205#define copy_to_user(to,from,n) ({ \
206void *__copy_to = (void *) (to); \
207__kernel_size_t __copy_size = (__kernel_size_t) (n); \
208__kernel_size_t __copy_res; \
209if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \
210__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \
211} else __copy_res = __copy_size; \
212__copy_res; })
213
214#define copy_to_user_ret(to,from,n,retval) ({ \ 205#define copy_to_user_ret(to,from,n,retval) ({ \
215if (copy_to_user(to,from,n)) \ 206if (copy_to_user(to,from,n)) \
216 return retval; \ 207 return retval; \
@@ -225,16 +216,6 @@ if (__copy_to_user(to,from,n)) \
225 return retval; \ 216 return retval; \
226}) 217})
227 218
228#define copy_from_user(to,from,n) ({ \
229void *__copy_to = (void *) (to); \
230void *__copy_from = (void *) (from); \
231__kernel_size_t __copy_size = (__kernel_size_t) (n); \
232__kernel_size_t __copy_res; \
233if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \
234__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \
235} else __copy_res = __copy_size; \
236__copy_res; })
237
238#define copy_from_user_ret(to,from,n,retval) ({ \ 219#define copy_from_user_ret(to,from,n,retval) ({ \
239if (copy_from_user(to,from,n)) \ 220if (copy_from_user(to,from,n)) \
240 return retval; \ 221 return retval; \