Index: linux-2.6-cvs/include/asm-ia64/uaccess.h
===================================================================
RCS file: /home/adsharma/disk2/cvs/linux-2.5/include/asm-ia64/uaccess.h,v
retrieving revision 1.19
diff -u -r1.19 uaccess.h
--- linux-2.6-cvs/include/asm-ia64/uaccess.h	27 Aug 2004 17:43:14 -0000	1.19
+++ linux-2.6-cvs/include/asm-ia64/uaccess.h	4 Oct 2004 19:28:26 -0000
@@ -67,7 +67,7 @@
 #define access_ok(type, addr, size)	__access_ok((addr), (size), get_fs())
 
 static inline int
-verify_area (int type, const void *addr, unsigned long size)
+verify_area (int type, const void __user *addr, unsigned long size)
 {
 	return access_ok(type, addr, size) ? 0 : -EFAULT;
 }
@@ -185,7 +185,7 @@
  */
 #define __do_get_user(check, x, ptr, size, segment)					\
 ({											\
-	const __typeof__(*(ptr)) *__gu_ptr = (ptr);					\
+	const __typeof__(*(ptr)) __user *__gu_ptr = (ptr);				\
 	__typeof__ (size) __gu_size = (size);						\
 	long __gu_err = -EFAULT, __gu_val = 0;						\
 											\
@@ -213,7 +213,7 @@
 #define __do_put_user(check, x, ptr, size, segment)					\
 ({											\
 	__typeof__ (x) __pu_x = (x);							\
-	__typeof__ (*(ptr)) *__pu_ptr = (ptr);						\
+	__typeof__ (*(ptr)) __user *__pu_ptr = (ptr);					\
 	__typeof__ (size) __pu_size = (size);						\
 	long __pu_err = -EFAULT;							\
 											\
@@ -240,31 +240,40 @@
 #define __copy_from_user(to, from, n)	__copy_user((to), (from), (n))
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
-#define copy_to_user(to, from, n)	__copy_tofrom_user((to), (from), (n), 1)
-#define copy_from_user(to, from, n)	__copy_tofrom_user((to), (from), (n), 0)
 
-#define __copy_tofrom_user(to, from, n, check_to)					\
+#define copy_to_user(to, from, n)							\
 ({											\
-	void *__cu_to = (to);								\
+	void __user *__cu_to = (to);							\
 	const void *__cu_from = (from);							\
 	long __cu_len = (n);								\
 											\
-	if (__access_ok((long) ((check_to) ? __cu_to : __cu_from), __cu_len, get_fs()))	\
-		__cu_len = __copy_user(__cu_to, __cu_from, __cu_len);			\
+	if (__access_ok((long) __cu_to, __cu_len, get_fs()))				\
+		__cu_len = __copy_user((void *) __cu_to, __cu_from, __cu_len);		\
+	__cu_len;									\
+})
+
+#define copy_from_user(to, from, n)							\
+({											\
+	void *__cu_to = (to);								\
+	const void __user *__cu_from = (from);						\
+	long __cu_len = (n);								\
+											\
+	if (__access_ok((long) __cu_from, __cu_len, get_fs()))				\
+		__cu_len = __copy_user(__cu_to, (const void *) __cu_from, __cu_len);	\
 	__cu_len;									\
 })
 
 #define __copy_in_user(to, from, size)	__copy_user((to), (from), (size))
 
 static inline unsigned long
-copy_in_user (void *to, const void *from, unsigned long n)
+copy_in_user (void *to, const void __user *from, unsigned long n)
 {
 	if (likely(access_ok(VERIFY_READ, from, n) && access_ok(VERIFY_WRITE, to, n)))
 		n = __copy_user(to, from, n);
 	return n;
 }
 
-extern unsigned long __do_clear_user (void *, unsigned long);
+extern unsigned long __do_clear_user (void __user *, unsigned long);
 
 #define __clear_user(to, n)		__do_clear_user(to, n)
 
@@ -281,11 +290,11 @@
  * Returns: -EFAULT if exception before terminator, N if the entire buffer filled, else
  * strlen.
  */
-extern long __strncpy_from_user (char *to, const char *from, long to_len);
+extern long __strncpy_from_user (char *to, const char __user *from, long to_len);
 
 #define strncpy_from_user(to, from, n)					\
 ({									\
-	const char * __sfu_from = (from);				\
+	const char __user * __sfu_from = (from);				\
 	long __sfu_ret = -EFAULT;					\
 	if (__access_ok((long) __sfu_from, 0, get_fs()))		\
 		__sfu_ret = __strncpy_from_user((to), __sfu_from, (n));	\
@@ -293,11 +302,11 @@
 })
 
 /* Returns: 0 if bad, string length+1 (memory size) of string if ok */
-extern unsigned long __strlen_user (const char *);
+extern unsigned long __strlen_user (const char __user *);
 
 #define strlen_user(str)				\
 ({							\
-	const char *__su_str = (str);			\
+	const char __user *__su_str = (str);			\
 	unsigned long __su_ret = 0;			\
 	if (__access_ok((long) __su_str, 0, get_fs()))	\
 		__su_ret = __strlen_user(__su_str);	\
@@ -309,7 +318,7 @@
  * (N), a value greater than N if the limit would be exceeded, else
  * strlen.
  */
-extern unsigned long __strnlen_user (const char *, long);
+extern unsigned long __strnlen_user (const char __user *, long);
 
 #define strnlen_user(str, len)					\
 ({								\