ndp: fix the NDP PI option length checking

8 years ago · d770561616
parent 8b16f3ef06
commit d770561616
1 changed files with 2 additions and 2 deletions
--- a/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c
+++ b/sys/net/gnrc/network_layer/ndp/internal/gnrc_ndp_internal.c
@ -642,8 +642,8 @@ bool gnrc_ndp_internal_pi_opt_handle(kernel_pid_t iface, uint8_t icmpv6_type,
    ipv6_addr_t *prefix;
    gnrc_ipv6_netif_addr_t *netif_addr;

-    if ((pi_opt->len != NDP_OPT_MTU_LEN)) {
-        DEBUG("ndp: invalid MTU option received\n");
+    if ((pi_opt->len != NDP_OPT_PI_LEN)) {
+        DEBUG("ndp: invalid PI option received\n");
        return false;
    }
    if (icmpv6_type != ICMPV6_RTR_ADV || ipv6_addr_is_link_local(&pi_opt->prefix)) {