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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-02-21 16:57:42 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-02-28 09:37:09 +0100 |
| commit | d12a2970385cfe0c1b0439f53c3ed1055d4dee3e (patch) | |
| tree | 2e63d3933409588c922af66d76c89eb1b104415d /arch/s390/include/asm/futex.h | |
| parent | s390/uaccess: fix strncpy_from_user/strnlen_user zero maxlen case (diff) | |
| download | linux-d12a2970385cfe0c1b0439f53c3ed1055d4dee3e.tar.xz linux-d12a2970385cfe0c1b0439f53c3ed1055d4dee3e.zip | |
s390/uaccess: remove pointless access_ok() checks
access_ok() always returns 'true' on s390. Therefore all calls
are quite pointless and can be removed.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/futex.h')
| -rw-r--r-- | arch/s390/include/asm/futex.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h index 96bc83ea5c90..51bcaa0fdeef 100644 --- a/arch/s390/include/asm/futex.h +++ b/arch/s390/include/asm/futex.h @@ -16,9 +16,6 @@ static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - pagefault_disable(); ret = uaccess.futex_atomic_op(op, uaddr, oparg, &oldval); pagefault_enable(); @@ -40,9 +37,6 @@ static inline int futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval, u32 newval) { - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - return uaccess.futex_atomic_cmpxchg(uval, uaddr, oldval, newval); } |