microblaze: uaccess: Unify __copy_tofrom_user

Move to generic location.

Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 21 insertions, 38 deletions

diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 34b79feb1ff1..b33ab659781e 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -111,6 +111,9 @@ static inline int ___range_ok(unsigned long addr, unsigned long size)
 # define __EX_TABLE_SECTION     ".section .discard,\"a\"\n"
 #endif
 
+extern unsigned long __copy_tofrom_user(void __user *to,
+                const void __user *from, unsigned long size);
+
 /* Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. */
 static inline unsigned long __must_check __clear_user(void __user *to,
                                                         unsigned long n)
@@ -322,23 +325,6 @@ static inline long strncpy_from_user(char *dst,
         return res;
 }
 
-static inline unsigned long __copy_tofrom_user(void __user *to,
-                const void __user *from, unsigned long size)
-{
-        memcpy(to, from, size);
-        return 0;
-}
-
-#define copy_to_user(to, from, n)       (memcpy((to), (from), (n)), 0)
-#define copy_from_user(to, from, n)     (memcpy((to), (from), (n)), 0)
-
-#define __copy_to_user(to, from, n)     (copy_to_user((to), (from), (n)))
-#define __copy_from_user(to, from, n)   (copy_from_user((to), (from), (n)))
-#define __copy_to_user_inatomic(to, from, n) \
-                        (__copy_to_user((to), (from), (n)))
-#define __copy_from_user_inatomic(to, from, n) \
-                        (__copy_from_user((to), (from), (n)))
-
 extern long strncpy_from_user(char *dst, const char *src, long count);
 extern long strnlen_user(const char *src, long count);
 
@@ -350,8 +336,24 @@ extern long strnlen_user(const char *src, long count);
                 ? __put_user((x), (ptr)) : -EFAULT;                     \
 })
 
-extern unsigned long __copy_tofrom_user(void __user *to,
-                const void __user *from, unsigned long size);
+extern int __strncpy_user(char *to, const char __user *from, int len);
+
+#define __strncpy_from_user     __strncpy_user
+
+static inline long
+strncpy_from_user(char *dst, const char __user *src, long count)
+{
+        if (!access_ok(VERIFY_READ, src, 1))
+                return -EFAULT;
+        return __strncpy_from_user(dst, src, count);
+}
+
+extern int __strnlen_user(const char __user *sstr, int len);
+
+#define strnlen_user(str, len)  \
+                (access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)
+
+#endif /* CONFIG_MMU */
 
 #define __copy_from_user(to, from, n)   \
         __copy_tofrom_user((__force void __user *)(to), \
@@ -384,25 +386,6 @@ static inline long copy_to_user(void __user *to,
                 return n;
 }
 
-extern int __strncpy_user(char *to, const char __user *from, int len);
-
-#define __strncpy_from_user     __strncpy_user
-
-static inline long
-strncpy_from_user(char *dst, const char __user *src, long count)
-{
-        if (!access_ok(VERIFY_READ, src, 1))
-                return -EFAULT;
-        return __strncpy_from_user(dst, src, count);
-}
-
-extern int __strnlen_user(const char __user *sstr, int len);
-
-#define strnlen_user(str, len)  \
-                (access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)
-
-#endif /* CONFIG_MMU */
-
 #endif  /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */