[PATCH 30/39] don't always use EFAULT on __put_user_size.

From: Glauber Costa
Date: Fri Jun 27 2008 - 17:49:17 EST


Let the user of the macro specify the desired return.

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
---
include/asm-x86/uaccess_64.h | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 8130876..6532d63 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -37,7 +37,7 @@ extern void __put_user_bad(void);
#define __put_user_nocheck(x, ptr, size) \
({ \
int __pu_err; \
- __put_user_size((x), (ptr), (size), __pu_err); \
+ __put_user_size((x), (ptr), (size), __pu_err, -EFAULT); \
__pu_err; \
})

@@ -65,22 +65,22 @@ extern void __put_user_bad(void);
__pu_err; \
})

-#define __put_user_size(x, ptr, size, retval) \
+#define __put_user_size(x, ptr, size, retval, errret) \
do { \
retval = 0; \
__chk_user_ptr(ptr); \
switch (size) { \
case 1: \
- __put_user_asm(x, ptr, retval, "b", "b", "iq", -EFAULT);\
+ __put_user_asm(x, ptr, retval, "b", "b", "iq", errret);\
break; \
case 2: \
- __put_user_asm(x, ptr, retval, "w", "w", "ir", -EFAULT);\
+ __put_user_asm(x, ptr, retval, "w", "w", "ir", errret);\
break; \
case 4: \
- __put_user_asm(x, ptr, retval, "l", "k", "ir", -EFAULT);\
+ __put_user_asm(x, ptr, retval, "l", "k", "ir", errret);\
break; \
case 8: \
- __put_user_asm(x, ptr, retval, "q", "", "Zr", -EFAULT); \
+ __put_user_asm(x, ptr, retval, "q", "", "Zr", errret); \
break; \
default: \
__put_user_bad(); \
--
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/