[IPV6]: Use the cheaper ipv6_addr_any() for ipv6_addr_type() where possible.

net/ipv6/af_inet6.c

@@ -464,7 +464,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 		if (np->sndflow)
 			sin->sin6_flowinfo = np->flow_label;
 	} else {
-		if (ipv6_addr_type(&np->rcv_saddr) == IPV6_ADDR_ANY)
+		if (ipv6_addr_any(&np->rcv_saddr))
 			ipv6_addr_copy(&sin->sin6_addr, &np->saddr);
 		else
 			ipv6_addr_copy(&sin->sin6_addr, &np->rcv_saddr);

net/ipv6/ndisc.c

@@ -544,7 +544,7 @@ void ndisc_send_ns(struct net_device *dev, struct neighbour *neigh,
 	}
 
 	len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr);
-	send_llinfo = dev->addr_len && ipv6_addr_type(saddr) != IPV6_ADDR_ANY;
+	send_llinfo = dev->addr_len && !ipv6_addr_any(saddr);
 	if (send_llinfo)
 		len += NDISC_OPT_SPACE(dev->addr_len);