posix-timers: sys_timer_create: cleanup the error handling

		 struct sigevent __user *timer_event_spec,

		 timer_t __user * created_timer_id)

{

	int error = 0;

	struct k_itimer *new_timer;

	int new_timer_id;

	int error, new_timer_id;

	struct task_struct *process;

	sigevent_t event;

	int it_id_set = IT_ID_NOT_SET;

	error = idr_get_new(&posix_timers_id, (void *) new_timer,

			    &new_timer_id);

	spin_unlock_irq(&idr_lock);

	if (error) {

		if (error == -EAGAIN)

			goto retry;

	else if (error) {

		/*

		 * Weird looking, but we return EAGAIN if the IDR is

		 * full (proper POSIX return value for this)

	new_timer->it_process = process;

	list_add(&new_timer->list, &current->signal->posix_timers);

	spin_unlock_irq(&current->sighand->siglock);

	return 0;

 	/*

	 * In the case of the timer belonging to another task, after

	 * the task is unlocked, the timer is owned by the other task

	 * new_timer after the unlock call.

	 */

out:

	if (error)

	release_posix_timer(new_timer, it_id_set);

	return error;

}