register_netdev() may fail, so let's check its return value, and if it fails, issue an error message. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- drivers/staging/rtl8712/hal_init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c index 7cdd609cab6c..ca0858660a45 100644 --- a/drivers/staging/rtl8712/hal_init.c +++ b/drivers/staging/rtl8712/hal_init.c @@ -32,10 +32,10 @@ static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context) { struct _adapter *padapter = context; + struct usb_device *udev = padapter->dvobjpriv.pusbdev; complete(&padapter->rtl8712_fw_ready); if (!firmware) { - struct usb_device *udev = padapter->dvobjpriv.pusbdev; struct usb_interface *pusb_intf = padapter->pusb_intf; dev_err(&udev->dev, "r8712u: Firmware request failed\n"); @@ -45,7 +45,8 @@ static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context) } padapter->fw = firmware; /* firmware available - start netdev */ - register_netdev(padapter->pnetdev); + if (register_netdev(padapter->pnetdev)) + dev_err(&udev->dev, "r8712u: Registering netdev failed\n"); } static const char firmware_file[] = "rtlwifi/rtl8712u.bin"; -- 2.17.2 (Apple Git-113) _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel