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| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2012-05-30 01:30:08 +0400 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2012-06-06 17:31:28 +0400 |
| commit | d8ce7263e1bc3b6b2b906fec0c5037bc27d21d6a (patch) | |
| tree | 700796dc3c5c5068d82d159b020d7a7fa50144c8 /arch/m68k/include/asm/uaccess_mm.h | |
| parent | f8f5701bdaf9134b1f90e5044a82c66324d2073f (diff) | |
| download | linux-d8ce7263e1bc3b6b2b906fec0c5037bc27d21d6a.tar.xz | |
m68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user()
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k/include/asm/uaccess_mm.h')
| -rw-r--r-- | arch/m68k/include/asm/uaccess_mm.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h index 9c80cd515b20..472c891a4aee 100644 --- a/arch/m68k/include/asm/uaccess_mm.h +++ b/arch/m68k/include/asm/uaccess_mm.h @@ -379,12 +379,15 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n) #define copy_from_user(to, from, n) __copy_from_user(to, from, n) #define copy_to_user(to, from, n) __copy_to_user(to, from, n) -long strncpy_from_user(char *dst, const char __user *src, long count); -long strnlen_user(const char __user *src, long n); +#define user_addr_max() \ + (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL) + +extern long strncpy_from_user(char *dst, const char __user *src, long count); +extern __must_check long strlen_user(const char __user *str); +extern __must_check long strnlen_user(const char __user *str, long n); + unsigned long __clear_user(void __user *to, unsigned long n); #define clear_user __clear_user -#define strlen_user(str) strnlen_user(str, 32767) - #endif /* _M68K_UACCESS_H */ |