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yaml
---
r: 189278
b: refs/heads/master
c: 94804a9
h: refs/heads/master
v: v3
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Michal Simek committed Apr 1, 2010
1 parent 39899b2 commit e472a4e
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Showing 3 changed files with 23 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cca79120c253451220e589a104bdeb57e4901871
refs/heads/master: 94804a9b3d0e62096a52fb62afcea32b899380c5
59 changes: 21 additions & 38 deletions trunk/arch/microblaze/include/asm/uaccess.h
Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,9 @@ static inline int ___range_ok(unsigned long addr, unsigned long size)
# define __EX_TABLE_SECTION ".section .discard,\"a\"\n"
#endif

extern unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size);

/* Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. */
static inline unsigned long __must_check __clear_user(void __user *to,
unsigned long n)
Expand Down Expand Up @@ -322,23 +325,6 @@ static inline long strncpy_from_user(char *dst,
return res;
}

static inline unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size)
{
memcpy(to, from, size);
return 0;
}

#define copy_to_user(to, from, n) (memcpy((to), (from), (n)), 0)
#define copy_from_user(to, from, n) (memcpy((to), (from), (n)), 0)

#define __copy_to_user(to, from, n) (copy_to_user((to), (from), (n)))
#define __copy_from_user(to, from, n) (copy_from_user((to), (from), (n)))
#define __copy_to_user_inatomic(to, from, n) \
(__copy_to_user((to), (from), (n)))
#define __copy_from_user_inatomic(to, from, n) \
(__copy_from_user((to), (from), (n)))

extern long strncpy_from_user(char *dst, const char *src, long count);
extern long strnlen_user(const char *src, long count);

Expand All @@ -350,8 +336,24 @@ extern long strnlen_user(const char *src, long count);
? __put_user((x), (ptr)) : -EFAULT; \
})

extern unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size);
extern int __strncpy_user(char *to, const char __user *from, int len);

#define __strncpy_from_user __strncpy_user

static inline long
strncpy_from_user(char *dst, const char __user *src, long count)
{
if (!access_ok(VERIFY_READ, src, 1))
return -EFAULT;
return __strncpy_from_user(dst, src, count);
}

extern int __strnlen_user(const char __user *sstr, int len);

#define strnlen_user(str, len) \
(access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)

#endif /* CONFIG_MMU */

#define __copy_from_user(to, from, n) \
__copy_tofrom_user((__force void __user *)(to), \
Expand Down Expand Up @@ -384,25 +386,6 @@ static inline long copy_to_user(void __user *to,
return n;
}

extern int __strncpy_user(char *to, const char __user *from, int len);

#define __strncpy_from_user __strncpy_user

static inline long
strncpy_from_user(char *dst, const char __user *src, long count)
{
if (!access_ok(VERIFY_READ, src, 1))
return -EFAULT;
return __strncpy_from_user(dst, src, count);
}

extern int __strnlen_user(const char __user *sstr, int len);

#define strnlen_user(str, len) \
(access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)

#endif /* CONFIG_MMU */

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */

Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/microblaze/lib/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -10,4 +10,4 @@ else
lib-y += memcpy.o memmove.o
endif

lib-$(CONFIG_MMU) += uaccess_old.o
lib-y += uaccess_old.o

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