score: switch to RAW_COPY_USER

[karo-tx-linux.git] / arch / score / include / asm / uaccess.h

diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
index db58ab98ec4b1bea0600556ed66bb19a41ee03bb..916e5dbf0bfdbb09bc0b2adcb9aef1e33d997ad5 100644 (file)
--- a/arch/score/include/asm/uaccess.h
+++ b/arch/score/include/asm/uaccess.h
@@ -2,13 +2,8 @@
 #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)
@@ -300,61 +295,19 @@ extern void __put_user_unknown(void);
 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.