#define __SCORE_UACCESS_H
#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/thread_info.h>
#include <asm/extable.h>
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
#define segment_eq(a, b) ((a).seg == (b).seg)
extern int __copy_tofrom_user(void *to, const void *from, unsigned long len);
static inline unsigned long
-copy_from_user(void *to, const void *from, unsigned long len)
-{
- unsigned long res = len;
-
- if (likely(access_ok(VERIFY_READ, from, len)))
- res = __copy_tofrom_user(to, from, len);
-
- if (unlikely(res))
- memset(to + (len - res), 0, res);
-
- return res;
-}
-
-static inline unsigned long
-copy_to_user(void *to, const void *from, unsigned long len)
-{
- if (likely(access_ok(VERIFY_WRITE, to, len)))
- len = __copy_tofrom_user(to, from, len);
-
- return len;
-}
-
-static inline unsigned long
-__copy_from_user(void *to, const void *from, unsigned long len)
+raw_copy_from_user(void *to, const void __user *from, unsigned long len)
{
- unsigned long left = __copy_tofrom_user(to, from, len);
- if (unlikely(left))
- memset(to + (len - left), 0, left);
- return left;
+ return __copy_tofrom_user(to, (__force const void *)from, len);
}
-#define __copy_to_user(to, from, len) \
- __copy_tofrom_user((to), (from), (len))
-
static inline unsigned long
-__copy_to_user_inatomic(void *to, const void *from, unsigned long len)
+raw_copy_to_user(void __user *to, const void *from, unsigned long len)
{
- return __copy_to_user(to, from, len);
+ return __copy_tofrom_user((__force void *)to, from, len);
}
-static inline unsigned long
-__copy_from_user_inatomic(void *to, const void *from, unsigned long len)
-{
- return __copy_tofrom_user(to, from, len);
-}
-
-#define __copy_in_user(to, from, len) __copy_tofrom_user(to, from, len)
-
-static inline unsigned long
-copy_in_user(void *to, const void *from, unsigned long len)
-{
- if (access_ok(VERIFY_READ, from, len) &&
- access_ok(VERFITY_WRITE, to, len))
- return __copy_tofrom_user(to, from, len);
-}
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
/*
* __clear_user: - Zero a block of memory in user space, with less checking.