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authorHeiko Carstens <heiko.carstens@de.ibm.com>2013-02-21 16:57:42 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-02-28 09:37:09 +0100
commitd12a2970385cfe0c1b0439f53c3ed1055d4dee3e (patch)
tree2e63d3933409588c922af66d76c89eb1b104415d /arch/s390/include/asm/futex.h
parentf45655f6a65538237359abce55edab9cfcc6d82f (diff)
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.h6
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);
}