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| author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2006-09-27 12:21:02 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 12:21:02 +0400 |
| commit | e96636ccfa373a00a0ee0558e1971baa7856d8b5 (patch) | |
| tree | c4f98b1c92f30f17c8c0d36419977789fe537aab /include/asm-sh/uaccess.h | |
| parent | e7f93a355c7e32c26eab8910cf53b7506bb046c5 (diff) | |
| download | linux-e96636ccfa373a00a0ee0558e1971baa7856d8b5.tar.xz | |
sh: Various nommu fixes.
This fixes up some of the various outstanding nommu bugs on
SH.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/uaccess.h')
| -rw-r--r-- | include/asm-sh/uaccess.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-sh/uaccess.h b/include/asm-sh/uaccess.h index 6c0014dd2ef7..5c3b00c2f107 100644 --- a/include/asm-sh/uaccess.h +++ b/include/asm-sh/uaccess.h @@ -168,6 +168,7 @@ do { \ __gu_err; \ }) +#ifdef CONFIG_MMU #define __get_user_check(x,ptr,size) \ ({ \ long __gu_err, __gu_val; \ @@ -257,6 +258,18 @@ __asm__("stc r7_bank, %1\n\t" \ : "r" (addr) \ : "t"); \ }) +#else /* CONFIG_MMU */ +#define __get_user_check(x,ptr,size) \ +({ \ + long __gu_err, __gu_val; \ + if (__access_ok((unsigned long)(ptr), (size))) { \ + __get_user_size(__gu_val, (ptr), (size), __gu_err); \ + (x) = (__typeof__(*(ptr)))__gu_val; \ + } else \ + __gu_err = -EFAULT; \ + __gu_err; \ +}) +#endif #define __get_user_asm(x, addr, err, insn) \ ({ \ |