MIPS: Make access_ok() sideeffect proof.

#define __access_mask get_fs().seg

#define __access_ok(addr, size, mask)							\

	(((signed long)((mask) & ((addr) | ((addr) + (size)) | __ua_size(size)))) == 0)

({											\

	const volatile void __user *__up = addr;					\

	unsigned long __addr = (unsigned long) __up;					\

	unsigned long __size = size;							\

	unsigned long __mask = mask;							\

	unsigned long __ok;								\

											\

	__ok = (signed long)(__mask & (__addr | (__addr + __size) |			\

		__ua_size(__size)));							\

	__ok == 0;									\

})

#define access_ok(type, addr, size)					\

	likely(__access_ok((unsigned long)(addr), (size), __access_mask))

	likely(__access_ok((addr), (size), __access_mask))

/*

 * put_user: - Write a simple value into user space.