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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-05-26 11:48:25 +0400 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-05-26 11:48:25 +0400 |
| commit | 7683f7444875c822f48f03a9f9c8b1b1e98b2ef0 (patch) | |
| tree | a085425ba2a6bca8ea67d98f1567174e427168ec /arch/s390 | |
| parent | d7b250e2a2d7f3cd23cf8d8d6689285e6f51a98d (diff) | |
| download | linux-7683f7444875c822f48f03a9f9c8b1b1e98b2ef0.tar.xz | |
[S390] uaccess: turn __access_ok() into a define
Turn __access_ok() into a define and add a __chk_user_ptr() call
instead.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/uaccess.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 2d9ea11f919a..2b23885e81e9 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -49,12 +49,13 @@ #define segment_eq(a,b) ((a).ar4 == (b).ar4) +#define __access_ok(addr, size) \ +({ \ + __chk_user_ptr(addr); \ + 1; \ +}) -static inline int __access_ok(const void __user *addr, unsigned long size) -{ - return 1; -} -#define access_ok(type,addr,size) __access_ok(addr,size) +#define access_ok(type, addr, size) __access_ok(addr, size) /* * The exception table consists of pairs of addresses: the first is the |