208 	int r;  in parse_path()  local
210 	r = dm_get_device(ti, dm_shift_arg(as), dm_table_get_mode(ti->table),  in parse_path()
212 	if (r) {  in parse_path()
214 		return r;  in parse_path()
263 	int r;  in switch_ctr()  local
268 	r = dm_read_arg(_args, &as, &nr_paths, &ti->error);  in switch_ctr()
269 	if (r)  in switch_ctr()
272 	r = dm_read_arg(_args + 1, &as, &region_size, &ti->error);  in switch_ctr()
273 	if (r)  in switch_ctr()
274 		return r;  in switch_ctr()
276 	r = dm_read_arg_group(_args + 2, &as, &nr_optional_args, &ti->error);  in switch_ctr()
277 	if (r)  in switch_ctr()
278 		return r;  in switch_ctr()
292 	r = dm_set_target_max_io_len(ti, region_size);  in switch_ctr()
293 	if (r)  in switch_ctr()
297 		r = parse_path(&as, ti);  in switch_ctr()
298 		if (r)  in switch_ctr()
302 	r = alloc_region_table(ti, nr_paths);  in switch_ctr()
303 	if (r)  in switch_ctr()
316 	return r;  in switch_ctr()
363 	unsigned long r = 0;  in parse_hex()  local
366 		r = (r << 4) | d;  in parse_hex()
370 	return r;  in parse_hex()
474 	int r = -EINVAL;  in switch_message()  local
479 		r = process_set_region_mappings(sctx, argc, argv);  in switch_message()
485 	return r;  in switch_message()
521 	int r = 0;  in switch_ioctl()  local
532 		r = scsi_verify_blk_ioctl(NULL, cmd);  in switch_ioctl()
534 	return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in switch_ioctl()
542 	int r;  in switch_iterate_devices()  local
545 		r = fn(ti, sctx->path_list[path_nr].dmdev,  in switch_iterate_devices()
547 		if (r)  in switch_iterate_devices()
548 			return r;  in switch_iterate_devices()
569 	int r;  in dm_switch_init()  local
571 	r = dm_register_target(&switch_target);  in dm_switch_init()
572 	if (r < 0)  in dm_switch_init()
573 		DMERR("dm_register_target() failed %d", r);  in dm_switch_init()
575 	return r;  in dm_switch_init()