extern int __get_user_1(void *);
extern int __get_user_2(void *);
extern int __get_user_4(void *);
-extern int __get_user_8(void *);
extern int __get_user_bad(void);
#define __get_user_x(__r2,__p,__e,__s,__i...) \
#define get_user(x,p) \
({ \
const register typeof(*(p)) __user *__p asm("r0") = (p);\
- register typeof(*(p)) __r2 asm("r2"); \
+ register unsigned int __r2 asm("r2"); \
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
case 1: \
case 4: \
__get_user_x(__r2, __p, __e, 4, "lr"); \
break; \
- case 8: \
- __get_user_x(__r2, __p, __e, 8, "lr"); \
- break; \
default: __e = __get_user_bad(); break; \
} \
- x = __r2; \
+ x = (typeof(*(p))) __r2; \
__e; \
})
: "r" (x), "i" (-EFAULT) \
: "cc")
-extern unsigned long __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
-extern unsigned long __arch_copy_to_user(void __user *to, const void *from, unsigned long n);
-extern unsigned long __arch_clear_user(void __user *addr, unsigned long n);
-extern unsigned long __arch_strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __arch_strnlen_user(const char __user *s, long n);
+
+extern unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n);
+extern unsigned long __clear_user(void __user *addr, unsigned long n);
+extern unsigned long __strncpy_from_user(char *to, const char __user *from, unsigned long count);
+extern unsigned long __strnlen_user(const char __user *s, long n);
static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
{
if (access_ok(VERIFY_READ, from, n))
- n = __arch_copy_from_user(to, from, n);
+ n = __copy_from_user(to, from, n);
else /* security hole - plug it */
memzero(to, n);
return n;
}
-static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- return __arch_copy_from_user(to, from, n);
-}
-
static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
{
if (access_ok(VERIFY_WRITE, to, n))
- n = __arch_copy_to_user(to, from, n);
+ n = __copy_to_user(to, from, n);
return n;
}
-static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- return __arch_copy_to_user(to, from, n);
-}
-
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
-static inline unsigned long clear_user (void __user *to, unsigned long n)
+static inline unsigned long clear_user(void __user *to, unsigned long n)
{
if (access_ok(VERIFY_WRITE, to, n))
- n = __arch_clear_user(to, n);
+ n = __clear_user(to, n);
return n;
}
-static inline unsigned long __clear_user (void __user *to, unsigned long n)
-{
- return __arch_clear_user(to, n);
-}
-
-static inline long strncpy_from_user (char *dst, const char __user *src, long count)
+static inline long strncpy_from_user(char *dst, const char __user *src, long count)
{
long res = -EFAULT;
if (access_ok(VERIFY_READ, src, 1))
- res = __arch_strncpy_from_user(dst, src, count);
+ res = __strncpy_from_user(dst, src, count);
return res;
}
-static inline long __strncpy_from_user (char *dst, const char __user *src, long count)
-{
- return __arch_strncpy_from_user(dst, src, count);
-}
-
#define strlen_user(s) strnlen_user(s, ~0UL >> 1)
static inline long strnlen_user(const char __user *s, long n)
unsigned long res = 0;
if (__addr_ok(s))
- res = __arch_strnlen_user(s, n);
+ res = __strnlen_user(s, n);
return res;
}