staging: rtl8188eu: handle errors from dev_alloc_name

Fail the usb interface initialization if dev_alloc_name returns an error.

Other wlan drivers like natsemi or atmel use the same error handling.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210620175301.14988-1-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/os_dep/usb_intf.c

@@ -387,8 +387,11 @@ static int rtw_usb_if1_init(struct usb_interface *pusb_intf)
 		pr_debug("can't get autopm:\n");
 
 	/*  alloc dev name after read efuse. */
-	if (dev_alloc_name(pnetdev, padapter->registrypriv.ifname) < 0)
+	err = dev_alloc_name(pnetdev, padapter->registrypriv.ifname);
+	if (err < 0) {
 		RT_TRACE(_module_os_intfs_c_, _drv_err_, ("dev_alloc_name, fail!\n"));
+		goto free_hal_data;
+	}
 
 	netif_carrier_off(pnetdev);