From: Phong Tran <tranmanphong@xxxxxxxxx> Date: Mon, 25 Nov 2019 21:54:43 +0700 > @@ -1573,6 +1573,12 @@ static void usbnet_bh (struct timer_list *t) > } > } > > +static void usbnet_bh_tasklet (unsigned long data) ^ Please remove this space and resubmit the patch series.