Messages in this thread Patch in this message | | | Date | Mon, 08 Dec 2008 19:18:38 -0800 | From | Hiroshi Shimamoto <> | Subject | [PATCH] x86: uaccess: return value of __{get|put}_user() can be int |
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From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Impact: cleanup
The type of return value of __{get|put}_user() can be int. There is no user to refer the return value of __{get|put}_user() as long. This reduces code size a bit on 64-bit.
$ size vmlinux.* text data bss dec hex filename 4509265 479988 673588 5662841 566879 vmlinux.new 4511462 479988 673588 5665038 56710e vmlinux.old
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> --- arch/x86/include/asm/uaccess.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 99192bb..4340055 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -352,14 +352,14 @@ do { \ #define __put_user_nocheck(x, ptr, size) \ ({ \ - long __pu_err; \ + int __pu_err; \ __put_user_size((x), (ptr), (size), __pu_err, -EFAULT); \ __pu_err; \ }) #define __get_user_nocheck(x, ptr, size) \ ({ \ - long __gu_err; \ + int __gu_err; \ unsigned long __gu_val; \ __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ -- 1.6.0.4
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