fixup! gnrc_ipv6: check validity of preconfigured source on send

Only check for ND message with 6Lo-ND.
RIOT-OS · Aug 7, 2019 · 659b0eb · 659b0eb
1 parent 2a0bcda
commit 659b0eb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/sys/net/gnrc/network_layer/ipv6/gnrc_ipv6.c b/sys/net/gnrc/network_layer/ipv6/gnrc_ipv6.c
@@ -360,6 +360,7 @@ static int _fill_ipv6_hdr(gnrc_netif_t *netif, gnrc_pktsnip_t *ipv6)
             (gnrc_netif_ipv6_addr_get_state(netif, idx) != GNRC_NETIF_IPV6_ADDRS_FLAGS_STATE_VALID);
         gnrc_netif_release(netif);
         if (invalid_src) {
+#if GNRC_IPV6_NIB_CONF_6LN
             gnrc_pktsnip_t *icmpv6 = gnrc_pktsnip_search_type(ipv6,
                                                               GNRC_NETTYPE_ICMPV6);
             icmpv6_hdr_t *icmpv6_hdr;
@@ -374,6 +375,11 @@ static int _fill_ipv6_hdr(gnrc_netif_t *netif, gnrc_pktsnip_t *ipv6)
                       ipv6_addr_to_str(addr_str, &hdr->src, sizeof(addr_str)));
                 return -EADDRNOTAVAIL;
             }
+#else   /* GNRC_IPV6_NIB_CONF_6LN */
+            printf("ipv6: preset packet source address %s is invalid\n",
+                  ipv6_addr_to_str(addr_str, &hdr->src, sizeof(addr_str)));
+            return -EADDRNOTAVAIL;
+#endif  /* GNRC_IPV6_NIB_CONF_6LN */
         }
     }