From: Colin King <colin.king@xxxxxxxxxxxxx> Date: Sat, 22 Dec 2018 16:58:41 +0000 > @@ -777,10 +777,7 @@ static void cops_rx(struct net_device *dev) > } > > /* Get response length. */ > - if(lp->board==DAYNA) > - pkt_len = inb(ioaddr) & 0xFF; > - else > - pkt_len = inb(ioaddr) & 0x00FF; > + pkt_len = inb(ioaddr); There are other instances of similar weird identical statements guarded by the test on the board type being DAYNA. For example, in cops_send_packet(): if(lp->board == DAYNA) outb(skb->len >> 8, ioaddr); else outb((skb->len >> 8)&0x0FF, ioaddr); Could you scan the rest of the driver and deal with all of these instances in one go? Thank you!