diff options
| -rw-r--r-- | net/caif/caif_usb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c index ebc202ffdd8d..bf61ea4b8132 100644 --- a/net/caif/caif_usb.c +++ b/net/caif/caif_usb.c @@ -134,6 +134,9 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what, struct usb_device *usbdev; int res; + if (what == NETDEV_UNREGISTER && dev->reg_state >= NETREG_UNREGISTERED) + return 0; + /* Check whether we have a NCM device, and find its VID/PID. */ if (!(dev->dev.parent && dev->dev.parent->driver && strcmp(dev->dev.parent->driver->name, "cdc_ncm") == 0)) |