From 8ecbbcaf08c13c57d6602472478739d64650ee0e Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 14 Feb 2006 15:57:50 +0900
Subject: [MIPS] Fixes for uaccess.h with gcc >= 4.0.1

It seems current get_user() incorrectly sign-extend an unsigned int
value on 64bit kernel.  I think this is because '(__typeof__(val))'
cast in final assignment.  I suppose the cast should be
'(__typeof__(*(addr))'.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/include/asm-mips/uaccess.h b/include/asm-mips/uaccess.h
index 7a553e9..b96f3e0 100644
--- a/include/asm-mips/uaccess.h
+++ b/include/asm-mips/uaccess.h
@@ -233,7 +233,7 @@ do {									\
 #define __get_user_check(x,ptr,size)					\
 ({									\
 	long __gu_err = -EFAULT;					\
-	const void __user * __gu_ptr = (ptr);				\
+	const __typeof__(*(ptr)) __user * __gu_ptr = (ptr);		\
 									\
 	if (likely(access_ok(VERIFY_READ,  __gu_ptr, size)))		\
 		__get_user_common((x), size, __gu_ptr);			\
@@ -258,7 +258,7 @@ do {									\
 	: "=r" (__gu_err), "=r" (__gu_tmp)				\
 	: "0" (0), "o" (__m(addr)), "i" (-EFAULT));			\
 									\
-	(val) = (__typeof__(val)) __gu_tmp;				\
+	(val) = (__typeof__(*(addr))) __gu_tmp;				\
 }
 
 /*
@@ -284,7 +284,7 @@ do {									\
 	"	.previous					\n"	\
 	: "=r" (__gu_err), "=&r" (__gu_tmp)				\
 	: "0" (0), "r" (addr), "i" (-EFAULT));				\
-	(val) = __gu_tmp;						\
+	(val) = (__typeof__(*(addr))) __gu_tmp;				\
 }
 
 /*
-- 
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