utrap_handler_t
utrap_handler_t, new_p, utrap_handler_t, new_d,
utrap_handler_t __user *, old_p,
utrap_handler_t __user *, old_d)
if (new_p == (utrap_handler_t)(long)UTH_NOCHANGE) {
if (put_user((utrap_handler_t)(current_thread_info()->utraps[type]), old_p))
if ((utrap_handler_t)current_thread_info()->utraps[type] != new_p &&
if (put_user((utrap_handler_t)(current_thread_info()->utraps[type]), old_p))
utrap_handler_t new_p,
utrap_handler_t new_d,
utrap_handler_t __user *old_p,
utrap_handler_t __user *old_d);