2010-08-26 10:52:56

by Namhyung Kim

[permalink] [raw]
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 <[email protected]>
---
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