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| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2009-01-29 20:49:18 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-29 21:29:02 +0100 |
| commit | 019a1369667c3978f9644982ebe6d261dd2bbc40 (patch) | |
| tree | 14f978e6de4f01be4339354023b3725f0263cc7a /arch/x86/include/asm/uaccess.h | |
| parent | x86: ia32_signal: use {get|put}_user_try and catch (diff) | |
| download | linux-019a1369667c3978f9644982ebe6d261dd2bbc40.tar.xz linux-019a1369667c3978f9644982ebe6d261dd2bbc40.zip | |
x86: uaccess: fix compilation error on CONFIG_M386
In case of !CONFIG_X86_WP_WORKS_OK, __put_user_size_ex() is not defined.
Add macros for !CONFIG_X86_WP_WORKS_OK case.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/uaccess.h')
| -rw-r--r-- | arch/x86/include/asm/uaccess.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 0ec6de4bcb0b..b9a24155f7af 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -525,8 +525,6 @@ struct __large_struct { unsigned long buf[100]; }; */ #define get_user_try uaccess_try #define get_user_catch(err) uaccess_catch(err) -#define put_user_try uaccess_try -#define put_user_catch(err) uaccess_catch(err) #define get_user_ex(x, ptr) do { \ unsigned long __gue_val; \ @@ -534,9 +532,29 @@ struct __large_struct { unsigned long buf[100]; }; (x) = (__force __typeof__(*(ptr)))__gue_val; \ } while (0) +#ifdef CONFIG_X86_WP_WORKS_OK + +#define put_user_try uaccess_try +#define put_user_catch(err) uaccess_catch(err) + #define put_user_ex(x, ptr) \ __put_user_size_ex((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) +#else /* !CONFIG_X86_WP_WORKS_OK */ + +#define put_user_try do { \ + int __uaccess_err = 0; + +#define put_user_catch(err) \ + (err) |= __uaccess_err; \ +} while (0) + +#define put_user_ex(x, ptr) do { \ + __uaccess_err |= __put_user(x, ptr); \ +} while (0) + +#endif /* CONFIG_X86_WP_WORKS_OK */ + /* * movsl can be slow when source and dest are not both 8-byte aligned */ |