[PATCH] ia64 basic __user annotations

 - document places where we pass kernel address to low-level primitive
   that deals with kernel/user addresses
 - uintptr_t is unsigned long, not long

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/asm-ia64/uaccess.h b/include/asm-ia64/uaccess.h
index 3a7829b..9adb512 100644 (file)
--- a/include/asm-ia64/uaccess.h
+++ b/include/asm-ia64/uaccess.h
@@ -187,8 +187,8 @@ extern void __get_user_unknown (void);
 ({                                                                                     \
        const __typeof__(*(ptr)) __user *__gu_ptr = (ptr);                              \
        __typeof__ (size) __gu_size = (size);                                           \
-       long __gu_err = -EFAULT, __gu_val = 0;                                          \
-                                                                                       \
+       long __gu_err = -EFAULT;                                                        \
+       unsigned long __gu_val = 0;                                                     \
        if (!check || __access_ok(__gu_ptr, size, segment))                             \
                switch (__gu_size) {                                                    \
                      case 1: __get_user_size(__gu_val, __gu_ptr, 1, __gu_err); break;  \
@@ -240,13 +240,13 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use
 static inline unsigned long
 __copy_to_user (void __user *to, const void *from, unsigned long count)
 {
-       return __copy_user(to, (void __user *) from, count);
+       return __copy_user(to, (__force void __user *) from, count);
 }
 
 static inline unsigned long
 __copy_from_user (void *to, const void __user *from, unsigned long count)
 {
-       return __copy_user((void __user *) to, from, count);
+       return __copy_user((__force void __user *) to, from, count);
 }
 
 #define __copy_to_user_inatomic                __copy_to_user
@@ -258,7 +258,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
        long __cu_len = (n);                                                            \
                                                                                        \
        if (__access_ok(__cu_to, __cu_len, get_fs()))                                   \
-               __cu_len = __copy_user(__cu_to, (void __user *) __cu_from, __cu_len);   \
+               __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len);   \
        __cu_len;                                                                       \
 })
 
@@ -270,7 +270,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count)
                                                                                        \
        __chk_user_ptr(__cu_from);                                                      \
        if (__access_ok(__cu_from, __cu_len, get_fs()))                                 \
-               __cu_len = __copy_user((void __user *) __cu_to, __cu_from, __cu_len);   \
+               __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len);   \
        __cu_len;                                                                       \
 })