Commit dc885889 authored by Al Viro's avatar Al Viro
Browse files

[parisc, s390, sparc64] no need for access_ok() in futex handling 



access_ok() is always true on those

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 0bea4f7b

arch/parisc/include/asm/futex.h

+0 −3
Original line number Diff line number Diff line
@@ -39,9 +39,6 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr) 
	int oldval, ret;

	u32 tmp;



	if (!access_ok(uaddr, sizeof(u32)))

		return -EFAULT;



	_futex_spin_lock_irqsave(uaddr, &flags);



	ret = -EFAULT;

arch/s390/include/asm/futex.h

+0 −2
Original line number Diff line number Diff line
@@ -28,8 +28,6 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval, 
	int oldval = 0, newval, ret;

	mm_segment_t old_fs;



	if (!access_ok(uaddr, sizeof(u32)))

		return -EFAULT;

	old_fs = enable_sacf_uaccess();

	switch (op) {

	case FUTEX_OP_SET:

arch/sparc/include/asm/futex_64.h

+0 −2
Original line number Diff line number Diff line
@@ -35,8 +35,6 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval, 
{

	int oldval = 0, ret, tem;



	if (!access_ok(uaddr, sizeof(u32)))

		return -EFAULT;

	if (unlikely((((unsigned long) uaddr) & 0x3UL)))

		return -EINVAL;

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