extern unsigned long __must_check
__copy_tofrom_user(void *to, const void *from, unsigned long size);
-
-#define __copy_from_user(to, from, size) \
- __copy_tofrom_user(to, from, size)
-#define __copy_to_user(to, from, size) \
- __copy_tofrom_user(to, from, size)
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-
static inline unsigned long
-copy_from_user(void *to, const void *from, unsigned long n)
+raw_copy_from_user(void *to, const void __user *from, unsigned long size)
{
- unsigned long res = n;
-
- if (likely(access_ok(VERIFY_READ, from, n)))
- res = __copy_tofrom_user(to, from, n);
- if (unlikely(res))
- memset(to + (n - res), 0, res);
- return res;
+ return __copy_tofrom_user(to, (__force const void *)from, size);
}
-
static inline unsigned long
-copy_to_user(void *to, const void *from, unsigned long n)
+raw_copy_to_user(void *to, const void __user *from, unsigned long size)
{
- if (likely(access_ok(VERIFY_WRITE, to, n)))
- n = __copy_tofrom_user(to, from, n);
- return n;
+ return __copy_tofrom_user((__force void *)to, from, size);
}
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
extern unsigned long __clear_user(void *addr, unsigned long size);