From: YueHaibing <yuehaibing@xxxxxxxxxx> Date: Wed, 26 Aug 2020 14:52:31 +0800 > If USB_NET_CDC_NCM is y and USB_NET_CDCETHER is m, build fails: > > drivers/net/usb/cdc_ncm.o:(.rodata+0x1d8): undefined reference to `usbnet_cdc_update_filter' > > Select USB_NET_CDCETHER for USB_NET_CDC_NCM to fix this. > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Fixes: e10dcb1b6ba7 ("net: cdc_ncm: hook into set_rx_mode to admit multicast traffic") > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Applied, thank you.