ipv6_netif: fix ipv6_get_best_src_addr() for multicast

Without this fix ipv6_get_best_src_addr() will return :: for most multicast addresses
RIOT-OS · May 22, 2015 · 5db5722 · 5db5722
1 parent 7be7e00
commit 5db5722
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sys/net/network_layer/ng_ipv6/netif/ng_ipv6_netif.c b/sys/net/network_layer/ng_ipv6/netif/ng_ipv6_netif.c
@@ -313,7 +313,8 @@ static uint8_t _find_by_prefix_unsafe(ng_ipv6_addr_t **res, ng_ipv6_netif_t *ifa
 
         match = ng_ipv6_addr_match_prefix(&(iface->addrs[i].addr), addr);
 
-        if (match < iface->addrs[i].prefix_len) {
+        if (only_unicast && !ng_ipv6_addr_is_multicast(addr) &&
+            (match < iface->addrs[i].prefix_len)) {
             /* match but not of same subnet */
             continue;
         }