220 	int err;  in add_to_swap()  local
240 	err = add_to_swap_cache(page, entry,  in add_to_swap()
242 	if (err)  in add_to_swap()
463 		int err;  in __read_swap_cache_async()  local
501 		err = swapcache_prepare(entry);  in __read_swap_cache_async()
502 		if (!err)  in __read_swap_cache_async()
506 		if (err != -EEXIST)  in __read_swap_cache_async()
938 	int err;  in swap_init_sysfs()  local
946 	err = sysfs_create_group(swap_kobj, &swap_attr_group);  in swap_init_sysfs()
947 	if (err) {  in swap_init_sysfs()
955 	return err;  in swap_init_sysfs()