net: caif: get ready for const netdev->dev_addr

Get it ready for constant netdev->dev_addr.

Signed-off-by: Jakub Kicinski <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/caif/caif_usb.c

···
 		layr->up->ctrlcmd(layr->up, ctrl, layr->id);
 }
 
-static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
+static struct cflayer *cfusbl_create(int phyid, const u8 ethaddr[ETH_ALEN],
 				      u8 braddr[ETH_ALEN])
 {
 	struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);