[PATCH 35/39] turn __put_user_check directly into put_user.

From: Glauber Costa
Date: Fri Jun 27 2008 - 17:50:59 EST


We also check user pointer in x86_64 put_user, the way i386 does.

in a separate patch for bisecting purposes.

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
---
include/asm-x86/uaccess_64.h | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 42a9769..9139854 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -23,9 +23,6 @@ extern void __put_user_bad(void);
:"c" (ptr),"a" (x) \
:"ebx")

-#define put_user(x, ptr) \
- __put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
-
#define __get_user(x, ptr) \
__get_user_nocheck((x), (ptr), sizeof(*(ptr)))
#define __put_user(x, ptr) \
@@ -34,11 +31,12 @@ extern void __put_user_bad(void);
#define __get_user_unaligned __get_user
#define __put_user_unaligned __put_user

-#define __put_user_check(x, ptr, size) \
+#define put_user(x, ptr) \
({ \
int __pu_err; \
typeof(*(ptr)) __user *__pu_addr = (ptr); \
- switch (size) { \
+ __chk_user_ptr(ptr); \
+ switch (sizeof(*(ptr))) { \
case 1: \
__put_user_x(1, __pu_err, x, __pu_addr); \
break; \
--
1.5.5.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/