xnu-517.tar.gz

[apple/xnu.git] / bsd / netinet6 / mld6.c

diff --git a/bsd/netinet6/mld6.c b/bsd/netinet6/mld6.c
index 3d90c11e49812d41eccb4843e5964d4e449cc2b4..7b1b091ce3ed972b93b7c158109f0490a4507099 100644 (file)
--- a/bsd/netinet6/mld6.c
+++ b/bsd/netinet6/mld6.c
@@ -102,6 +102,7 @@
 
 static struct ip6_pktopts ip6_opts;
 static int mld6_timers_are_running;
+static int mld6_init_done = 0 ;
 /* XXX: These are necessary for KAME's link-local hack */
 static struct in6_addr mld6_all_nodes_linklocal = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
 static struct in6_addr mld6_all_routers_linklocal = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
@@ -115,6 +116,10 @@ mld6_init()
        struct ip6_hbh *hbh = (struct ip6_hbh *)hbh_buf;
        u_int16_t rtalert_code = htons((u_int16_t)IP6OPT_RTALERT_MLD);
 
+       if (mld6_init_done)
+               return;
+
+       mld6_init_done = 1;
        mld6_timers_are_running = 0;
 
        /* ip6h_nxt will be fill in later */