123 	int r;  in request_fw_file()  local
127 	r = request_firmware(fw, name, device);  in request_fw_file()
128 	if (r)  in request_fw_file()
131 		       name, r);  in request_fw_file()
132 	return r;  in request_fw_file()
151 	int r;  in upload_code()  local
157 		r = -ENOMEM;  in upload_code()
169 		r = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in upload_code()
173 		if (r < 0) {  in upload_code()
176 			       " failed. Error number %d\n", r);  in upload_code()
179 		transfer_size = r & ~1;  in upload_code()
190 		r = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in upload_code()
194 		if (r != sizeof(ret)) {  in upload_code()
197 				" Return value %d\n", r);  in upload_code()
198 			if (r >= 0)  in upload_code()
199 				r = -ENODEV;  in upload_code()
208 			r = -ENODEV;  in upload_code()
215 	r = 0;  in upload_code()
218 	return r;  in upload_code()
243 	int r = 0;  in handle_version_mismatch()  local
246 	r = request_fw_file(&ur_fw,  in handle_version_mismatch()
249 	if (r)  in handle_version_mismatch()
252 	r = upload_code(udev, ur_fw->data, ur_fw->size, FW_START, REBOOT);  in handle_version_mismatch()
253 	if (r)  in handle_version_mismatch()
257 	r = upload_code(udev, ub_fw->data + offset, ub_fw->size - offset,  in handle_version_mismatch()
267 	return r;  in handle_version_mismatch()
272 	int r;  in upload_firmware()  local
282 	r = request_fw_file(&ub_fw,  in upload_firmware()
285 	if (r)  in upload_firmware()
298 		r = handle_version_mismatch(usb, ub_fw);  in upload_firmware()
299 		if (r)  in upload_firmware()
308 	r = request_fw_file(&uph_fw,  in upload_firmware()
311 	if (r)  in upload_firmware()
314 	r = upload_code(udev, uph_fw->data, uph_fw->size, FW_START, REBOOT);  in upload_firmware()
315 	if (r) {  in upload_firmware()
318 			r);  in upload_firmware()
325 	return r;  in upload_firmware()
339 	int r;  in zd_usb_read_fw()  local
347 	r = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in zd_usb_read_fw()
350 	if (r < 0) {  in zd_usb_read_fw()
352 			"read over firmware interface failed: %d\n", r);  in zd_usb_read_fw()
354 	} else if (r != len) {  in zd_usb_read_fw()
357 			r, len);  in zd_usb_read_fw()
358 		r = -EIO;  in zd_usb_read_fw()
361 	r = 0;  in zd_usb_read_fw()
365 	return r;  in zd_usb_read_fw()
437 	int r;  in int_urb_complete()  local
491 	r = usb_submit_urb(urb, GFP_ATOMIC);  in int_urb_complete()
492 	if (r) {  in int_urb_complete()
494 			  urb, r);  in int_urb_complete()
527 	int r;  in zd_usb_enable_int()  local
536 		r = -ENOMEM;  in zd_usb_enable_int()
544 		r = 0;  in zd_usb_enable_int()
550 	r = -ENOMEM;  in zd_usb_enable_int()
567 	r = usb_submit_urb(urb, GFP_KERNEL);  in zd_usb_enable_int()
568 	if (r) {  in zd_usb_enable_int()
570 			 "Couldn't submit urb. Error number %d\n", r);  in zd_usb_enable_int()
585 	return r;  in zd_usb_enable_int()
663 	int r;  in rx_urb_complete()  local
720 	r = usb_submit_urb(urb, GFP_ATOMIC);  in rx_urb_complete()
721 	if (r)  in rx_urb_complete()
722 		dev_dbg_f(urb_dev(urb), "urb %p resubmit error %d\n", urb, r);  in rx_urb_complete()
760 	int i, r;  in __zd_usb_enable_rx()  local
766 	r = -ENOMEM;  in __zd_usb_enable_rx()
780 		r = 0;  in __zd_usb_enable_rx()
788 		r = usb_submit_urb(urbs[i], GFP_KERNEL);  in __zd_usb_enable_rx()
789 		if (r)  in __zd_usb_enable_rx()
807 	return r;  in __zd_usb_enable_rx()
812 	int r;  in zd_usb_enable_rx()  local
816 	r = __zd_usb_enable_rx(usb);  in zd_usb_enable_rx()
821 	return r;  in zd_usb_enable_rx()
970 	int r;  in tx_urb_complete()  local
1008 	r = usb_submit_urb(urb, GFP_ATOMIC);  in tx_urb_complete()
1009 	if (r) {  in tx_urb_complete()
1011 		dev_dbg_f(urb_dev(urb), "error resubmit urb %p %d\n", urb, r);  in tx_urb_complete()
1030 	int r;  in zd_usb_tx()  local
1037 		r = -ENOENT;  in zd_usb_tx()
1043 		r = -ENOMEM;  in zd_usb_tx()
1054 	r = usb_submit_urb(urb, GFP_ATOMIC);  in zd_usb_tx()
1055 	if (r) {  in zd_usb_tx()
1056 		dev_dbg_f(zd_usb_dev(usb), "error submit urb %p %d\n", urb, r);  in zd_usb_tx()
1066 	return r;  in zd_usb_tx()
1279 	int r;  in eject_installer()  local
1282 	for (r = 1; r >= 0; r--) {  in eject_installer()
1283 		endpoint = &iface_desc->endpoint[r].desc;  in eject_installer()
1290 	if (r == -1) {  in eject_installer()
1311 	r = usb_bulk_msg(udev, usb_sndbulkpipe(udev, bulk_out_ep),  in eject_installer()
1314 	if (r)  in eject_installer()
1315 		return r;  in eject_installer()
1326 	int r;  in zd_usb_init_hw()  local
1331 	r = upload_firmware(usb);  in zd_usb_init_hw()
1332 	if (r) {  in zd_usb_init_hw()
1334 		       "couldn't load firmware. Error number %d\n", r);  in zd_usb_init_hw()
1335 		return r;  in zd_usb_init_hw()
1338 	r = usb_reset_configuration(zd_usb_to_usbdev(usb));  in zd_usb_init_hw()
1339 	if (r) {  in zd_usb_init_hw()
1341 			"couldn't reset configuration. Error number %d\n", r);  in zd_usb_init_hw()
1342 		return r;  in zd_usb_init_hw()
1345 	r = zd_mac_init_hw(mac->hw);  in zd_usb_init_hw()
1346 	if (r) {  in zd_usb_init_hw()
1348 		         "couldn't initialize mac. Error number %d\n", r);  in zd_usb_init_hw()
1349 		return r;  in zd_usb_init_hw()
1358 	int r;  in probe()  local
1375 		r = -ENODEV;  in probe()
1379 	r = usb_reset_device(udev);  in probe()
1380 	if (r) {  in probe()
1382 			"couldn't reset usb device. Error number %d\n", r);  in probe()
1388 		r = -ENOMEM;  in probe()
1395 	r = zd_mac_preinit_hw(hw);  in probe()
1396 	if (r) {  in probe()
1398 		         "couldn't initialize mac. Error number %d\n", r);  in probe()
1402 	r = ieee80211_register_hw(hw);  in probe()
1403 	if (r) {  in probe()
1405 			 "couldn't register device. Error number %d\n", r);  in probe()
1418 	return r;  in probe()
1459 	int r;  in zd_usb_resume()  local
1463 	r = zd_op_start(zd_usb_to_hw(usb));  in zd_usb_resume()
1464 	if (r < 0) {  in zd_usb_resume()
1466 			 "with error code %d. Retrying...\n", r);  in zd_usb_resume()
1474 		r = zd_restore_settings(mac);  in zd_usb_resume()
1475 		if (r < 0) {  in zd_usb_resume()
1477 				"failed to restore settings, %d\n", r);  in zd_usb_resume()
1549 	int r;  in usb_init()  local
1559 	r = usb_register(&driver);  in usb_init()
1560 	if (r) {  in usb_init()
1563 		       driver.name, r);  in usb_init()
1564 		return r;  in usb_init()
1677 	int r;  in get_results()  local
1685 	r = -EIO;  in get_results()
1702 	r = 0;  in get_results()
1705 	return r;  in get_results()
1711 	int r, i, req_len, actual_req_len, try_count = 0;  in zd_usb_ioread16v()  local
1755 	r = zd_ep_regs_out_msg(udev, req, req_len, &actual_req_len, 50 /*ms*/);  in zd_usb_ioread16v()
1756 	if (r) {  in zd_usb_ioread16v()
1758 			"error in zd_ep_regs_out_msg(). Error number %d\n", r);  in zd_usb_ioread16v()
1765 		r = -EIO;  in zd_usb_ioread16v()
1774 		r = -ETIMEDOUT;  in zd_usb_ioread16v()
1778 	r = get_results(usb, values, req, count, &retry);  in zd_usb_ioread16v()
1785 	return r;  in zd_usb_ioread16v()
1802 	int r = 0;  in zd_submit_waiting_urb()  local
1814 	r = usb_submit_urb(urb, GFP_KERNEL);  in zd_submit_waiting_urb()
1815 	if (r) {  in zd_submit_waiting_urb()
1818 			"error in usb_submit_urb(). Error number %d\n", r);  in zd_submit_waiting_urb()
1825 	return r;  in zd_submit_waiting_urb()
1843 	int r;  in zd_usb_iowrite16v_async_end()  local
1849 	r = zd_submit_waiting_urb(usb, true);  in zd_usb_iowrite16v_async_end()
1850 	if (r) {  in zd_usb_iowrite16v_async_end()
1853 			"Error number %d\n", r);  in zd_usb_iowrite16v_async_end()
1866 			r = -ETIMEDOUT;  in zd_usb_iowrite16v_async_end()
1871 	r = usb->cmd_error;  in zd_usb_iowrite16v_async_end()
1874 	return r;  in zd_usb_iowrite16v_async_end()
1880 	int r;  in zd_usb_iowrite16v_async()  local
1918 		r = -ENOMEM;  in zd_usb_iowrite16v_async()
1943 	r = zd_submit_waiting_urb(usb, false);  in zd_usb_iowrite16v_async()
1944 	if (r) {  in zd_usb_iowrite16v_async()
1947 			"Error number %d\n", r);  in zd_usb_iowrite16v_async()
1958 	return r;  in zd_usb_iowrite16v_async()
1964 	int r;  in zd_usb_iowrite16v()  local
1967 	r = zd_usb_iowrite16v_async(usb, ioreqs, count);  in zd_usb_iowrite16v()
1968 	if (r) {  in zd_usb_iowrite16v()
1970 		return r;  in zd_usb_iowrite16v()
1977 	int r;  in zd_usb_rfwrite()  local
2012 	r = zd_usb_ioread16(usb, &bit_value_template, ZD_CR203);  in zd_usb_rfwrite()
2013 	if (r) {  in zd_usb_rfwrite()
2015 			"error %d: Couldn't read ZD_CR203\n", r);  in zd_usb_rfwrite()
2016 		return r;  in zd_usb_rfwrite()
2043 	r = zd_ep_regs_out_msg(udev, req, req_len, &actual_req_len, 50 /*ms*/);  in zd_usb_rfwrite()
2044 	if (r) {  in zd_usb_rfwrite()
2046 			"error in zd_ep_regs_out_msg(). Error number %d\n", r);  in zd_usb_rfwrite()
2053 		r = -EIO;  in zd_usb_rfwrite()
2059 	return r;  in zd_usb_rfwrite()