linux-kernel - [PATCH] h8300: fix a bug on get

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Message-Id: <1282819965-6025-1-git-send-email-namhyung@gmail.com>
Date:	Thu, 26 Aug 2010 19:52:45 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] h8300: fix a bug on get_user()

current implementation of get_user() lacks parenthesis when it derefers ptr
so usage like get_user(val, addr + i) had a potential bug. Fix it.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
---
 arch/h8300/include/asm/uaccess.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/h8300/include/asm/uaccess.h b/arch/h8300/include/asm/uaccess.h
index 356068c..b0e5cb9 100644
--- a/arch/h8300/include/asm/uaccess.h
+++ b/arch/h8300/include/asm/uaccess.h
@@ -91,7 +91,7 @@ extern int __put_user_bad(void);
 #define get_user(x, ptr)					\
 ({								\
     int __gu_err = 0;						\
-    typeof(*(ptr)) __gu_val = *ptr;				\
+    typeof(*(ptr)) __gu_val = *(ptr);				\
     switch (sizeof(*(ptr))) {					\
     case 1:							\
     case 2:							\
-- 
1.7.2.2

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