From: trix@xxxxxxxxxx Date: Thu, 23 Jul 2020 07:22:10 -0700 > From: Tom Rix <trix@xxxxxxxxxx> > > A link error > > ld: drivers/net/usb/cdc_ncm.o: > undefined reference to `usbnet_cdc_update_filter' > > usbnet_cdc_update_filter is defined in cdc_ether.c > Building of cdc_ether.o is controlled by USB_NET_CDCETHER > > Building of cdc_ncm.o is controlled by USB_NET_CDC_NCM > > So add a select USB_NET_CDCETHER to USB_NET_CDC_NCM > > Signed-off-by: Tom Rix <trix@xxxxxxxxxx> Please indicate the appropriate target tree ('net' or 'net-next') in your Subject line f.e. "[PATCH net-next] ..." Please provide an appropriate and properly formatted Fixes: tag. Thank you.