From 6fd4725d75c5049641640ce23fa5896501dfbd42 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Wed, 25 Jun 2008 11:57:33 -0300 Subject: [PATCH] x86: don't always use EFAULT on __get_user_size. Let the user of the macro specify the desired return. Signed-off-by: Glauber Costa Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- include/asm-x86/uaccess_64.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h index 42c01aa70e72..e0875d7ae898 100644 --- a/include/asm-x86/uaccess_64.h +++ b/include/asm-x86/uaccess_64.h @@ -61,27 +61,27 @@ extern void __put_user_bad(void); ({ \ int __gu_err; \ unsigned long __gu_val; \ - __get_user_size(__gu_val, (ptr), (size), __gu_err); \ + __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT);\ (x) = (__force typeof(*(ptr)))__gu_val; \ __gu_err; \ }) -#define __get_user_size(x, ptr, size, retval) \ +#define __get_user_size(x, ptr, size, retval, errret) \ do { \ retval = 0; \ __chk_user_ptr(ptr); \ switch (size) { \ case 1: \ - __get_user_asm(x, ptr, retval, "b", "b", "=q", -EFAULT);\ + __get_user_asm(x, ptr, retval, "b", "b", "=q", errret);\ break; \ case 2: \ - __get_user_asm(x, ptr, retval, "w", "w", "=r", -EFAULT);\ + __get_user_asm(x, ptr, retval, "w", "w", "=r", errret);\ break; \ case 4: \ - __get_user_asm(x, ptr, retval, "l", "k", "=r", -EFAULT);\ + __get_user_asm(x, ptr, retval, "l", "k", "=r", errret);\ break; \ case 8: \ - __get_user_asm(x, ptr, retval, "q", "", "=r", -EFAULT); \ + __get_user_asm(x, ptr, retval, "q", "", "=r", errret); \ break; \ default: \ (x) = __get_user_bad(); \ -- 2.30.2