diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-06-25 17:00:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 09:14:22 +0200 |
| commit | d42e6af613375be7a9a431628ecd742e87230554 (patch) | |
| tree | d2994222bc235db7241989248e607a84642039d4 /include/asm-x86/uaccess_64.h | |
| parent | x86: mark x86_64 as having a working WP. (diff) | |
| download | linux-d42e6af613375be7a9a431628ecd742e87230554.tar.xz linux-d42e6af613375be7a9a431628ecd742e87230554.zip | |
x86: don't always use EFAULT on __put_user_size.
Let the user of the macro specify the desired return.
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>
Diffstat (limited to 'include/asm-x86/uaccess_64.h')
| -rw-r--r-- | 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 81308763a4c1..6532d638d5a3 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(); \ |