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.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 5ca54dc..ee209b2 100644 (file)
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/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);