mm: frontswap: fix a wrong if condition in frontswap_shrink

	return ret;

}

/*

 * Used to check if it's necessory and feasible to unuse pages.

 * Return 1 when nothing to do, 0 when need to shink pages,

 * error code when there is an error.

 */

static int __frontswap_shrink(unsigned long target_pages,

				unsigned long *pages_to_unuse,

				int *type)

	if (total_pages <= target_pages) {

		/* Nothing to do */

		*pages_to_unuse = 0;

		return 0;

		return 1;

	}

	total_pages_to_unuse = total_pages - target_pages;

	return __frontswap_unuse_pages(total_pages_to_unuse, pages_to_unuse, type);

	spin_lock(&swap_lock);

	ret = __frontswap_shrink(target_pages, &pages_to_unuse, &type);

	spin_unlock(&swap_lock);

	if (ret == 0 && pages_to_unuse)

	if (ret == 0)

		try_to_unuse(type, true, pages_to_unuse);

	return;

}