diff options
| -rw-r--r-- | zebra/rtadv.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/zebra/rtadv.c b/zebra/rtadv.c index be4aeb1b..f5d5b4ad 100644 --- a/zebra/rtadv.c +++ b/zebra/rtadv.c @@ -534,23 +534,41 @@ rtadv_make_socket (vrf_id_t vrf_id) /* When we can't make ICMPV6 socket simply back. Router advertisement feature will not be supported. */ if (sock < 0) - return -1; + { + close (sock); + return -1; + } ret = setsockopt_ipv6_pktinfo (sock, 1); if (ret < 0) - return ret; + { + close (sock); + return ret; + } ret = setsockopt_ipv6_multicast_loop (sock, 0); if (ret < 0) - return ret; + { + close (sock); + return ret; + } ret = setsockopt_ipv6_unicast_hops (sock, 255); if (ret < 0) - return ret; + { + close (sock); + return ret; + } ret = setsockopt_ipv6_multicast_hops (sock, 255); if (ret < 0) - return ret; + { + close (sock); + return ret; + } ret = setsockopt_ipv6_hoplimit (sock, 1); if (ret < 0) - return ret; + { + close (sock); + return ret; + } ICMP6_FILTER_SETBLOCKALL(&filter); ICMP6_FILTER_SETPASS (ND_ROUTER_SOLICIT, &filter); |