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authorGlauber Costa <gcosta@redhat.com>2008-06-25 13:00:48 -0300
committerIngo Molnar <mingo@elte.hu>2008-07-09 09:14:26 +0200
commitec840956d269e2beefe3a1c0fd7c1c70a199087f (patch)
tree70e6b2af4afef5c4bc6b9e6a3682de367f4e3f26
parent64a978c1e3b2c0e2b663caf54719319919c5c17f (diff)
x86: turn __put_user_check directly into put_user.
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@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--include/asm-x86/uaccess_64.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 42a9769687e..9139854d37b 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; \