usercopy: fold builtin_const check into inline function
[cascardo/linux.git] / arch / powerpc / include / asm / uaccess.h
index c1dc6c1..f1e3824 100644 (file)
@@ -311,14 +311,12 @@ static inline unsigned long copy_from_user(void *to,
        unsigned long over;
 
        if (access_ok(VERIFY_READ, from, n)) {
-               if (!__builtin_constant_p(n))
-                       check_object_size(to, n, false);
+               check_object_size(to, n, false);
                return __copy_tofrom_user((__force void __user *)to, from, n);
        }
        if ((unsigned long)from < TASK_SIZE) {
                over = (unsigned long)from + n - TASK_SIZE;
-               if (!__builtin_constant_p(n - over))
-                       check_object_size(to, n - over, false);
+               check_object_size(to, n - over, false);
                return __copy_tofrom_user((__force void __user *)to, from,
                                n - over) + over;
        }
@@ -331,14 +329,12 @@ static inline unsigned long copy_to_user(void __user *to,
        unsigned long over;
 
        if (access_ok(VERIFY_WRITE, to, n)) {
-               if (!__builtin_constant_p(n))
-                       check_object_size(from, n, true);
+               check_object_size(from, n, true);
                return __copy_tofrom_user(to, (__force void __user *)from, n);
        }
        if ((unsigned long)to < TASK_SIZE) {
                over = (unsigned long)to + n - TASK_SIZE;
-               if (!__builtin_constant_p(n))
-                       check_object_size(from, n - over, true);
+               check_object_size(from, n - over, true);
                return __copy_tofrom_user(to, (__force void __user *)from,
                                n - over) + over;
        }
@@ -383,8 +379,7 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
                        return 0;
        }
 
-       if (!__builtin_constant_p(n))
-               check_object_size(to, n, false);
+       check_object_size(to, n, false);
 
        return __copy_tofrom_user((__force void __user *)to, from, n);
 }
@@ -412,8 +407,8 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
                if (ret == 0)
                        return 0;
        }
-       if (!__builtin_constant_p(n))
-               check_object_size(from, n, true);
+
+       check_object_size(from, n, true);
 
        return __copy_tofrom_user(to, (__force const void __user *)from, n);
 }