diff options
| -rw-r--r-- | sys/netinet6/in6.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index db1db84..af374a0 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -701,7 +701,8 @@ in6_control(struct socket *so, u_long cmd, caddr_t data, pr0.ndpr_plen = in6_mask2len(&ifra->ifra_prefixmask.sin6_addr, NULL); if (pr0.ndpr_plen == 128) { - break; /* we don't need to install a host route. */ + /* we don't need to install a host route. */ + goto aifaddr_out; } pr0.ndpr_prefix = ifra->ifra_addr; /* apply the mask for safety. */ @@ -769,32 +770,29 @@ in6_control(struct socket *so, u_long cmd, caddr_t data, * that is, this address might make other addresses detached. */ pfxlist_onlink_check(); - if (error == 0 && ia) { - if (ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED) { - /* - * Try to clear the flag when a new - * IPv6 address is added onto an - * IFDISABLED interface and it - * succeeds. - */ - struct in6_ndireq nd; - - memset(&nd, 0, sizeof(nd)); - nd.ndi.flags = ND_IFINFO(ifp)->flags; - nd.ndi.flags &= ~ND6_IFF_IFDISABLED; - if (nd6_ioctl(SIOCSIFINFO_FLAGS, - (caddr_t)&nd, ifp) < 0) - log(LOG_NOTICE, "SIOCAIFADDR_IN6: " - "SIOCSIFINFO_FLAGS for -ifdisabled " - "failed."); - /* - * Ignore failure of clearing the flag - * intentionally. The failure means - * address duplication was detected. - */ - } - EVENTHANDLER_INVOKE(ifaddr_event, ifp); +aifaddr_out: + if (error != 0 || ia == NULL) + break; + /* + * Try to clear the flag when a new IPv6 address is added + * onto an IFDISABLED interface and it succeeds. + */ + if (ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED) { + struct in6_ndireq nd; + + memset(&nd, 0, sizeof(nd)); + nd.ndi.flags = ND_IFINFO(ifp)->flags; + nd.ndi.flags &= ~ND6_IFF_IFDISABLED; + if (nd6_ioctl(SIOCSIFINFO_FLAGS, (caddr_t)&nd, ifp) < 0) + log(LOG_NOTICE, "SIOCAIFADDR_IN6: " + "SIOCSIFINFO_FLAGS for -ifdisabled " + "failed."); + /* + * Ignore failure of clearing the flag intentionally. + * The failure means address duplication was detected. + */ } + EVENTHANDLER_INVOKE(ifaddr_event, ifp); break; } |
