net: sun: optimization of addr compare

Use possibly more efficient ether_addr_equal
to instead of memcmp.

Cc: "David S. Miller" <[e-mail]>
Signed-off-by: Ding Tianhong <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/sun/sunvnet.c

···
 	struct vnet_mcast_entry *m;
 
 	for (m = vp->mcast_list; m; m = m->next) {
-		if (!memcmp(m->addr, addr, ETH_ALEN))
+		if (ether_addr_equal(m->addr, addr))
 			return m;
 	}
 	return NULL;