LWIP::get_ipv6_addr fixed to avoid returning NULL even if only linklo…

…cal adress exits.
ARMmbed · Oct 18, 2019 · 1963d21 · 1963d21
1 parent 9c82706
commit 1963d21
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/features/lwipstack/lwip_tools.cpp b/features/lwipstack/lwip_tools.cpp
@@ -92,6 +92,12 @@ const ip_addr_t *LWIP::get_ipv6_addr(const struct netif *netif)
             return netif_ip_addr6(netif, i);
         }
     }
+
+    for (int i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) {
+        if (ip6_addr_isvalid(netif_ip6_addr_state(netif, i))) {
+            return netif_ip_addr6(netif, i);
+        }
+    }
 #endif
     return NULL;
 }