X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Frtnetlink.c;h=6ed85abbba2b5e51f35ca969e75f041f6c9ddb1b;hb=822b56da1165488311e7a5460ed995cf0465b672;hp=cc175b41ea5fe05b2c8e51b6a180bb88b1b397d0;hpb=8f5b651c0af0ef4b01f0c6ad8744078649b505d1;p=openvswitch

diff --git a/lib/rtnetlink.c b/lib/rtnetlink.c
index cc175b41..6ed85abb 100644
--- a/lib/rtnetlink.c
+++ b/lib/rtnetlink.c
@@ -89,13 +89,20 @@ rtnetlink_notifier_register(struct rtnetlink *rtn,
                             rtnetlink_notify_func *cb, void *aux)
 {
     if (!rtn->notify_sock) {
-        int error = nl_sock_create(NETLINK_ROUTE, rtn->multicast_group, 0, 0,
-                                   &rtn->notify_sock);
+        struct nl_sock *sock;
+        int error;
+
+        error = nl_sock_create(NETLINK_ROUTE, &sock);
+        if (!error) {
+            error = nl_sock_join_mcgroup(sock, rtn->multicast_group);
+        }
         if (error) {
+            nl_sock_destroy(sock);
             VLOG_WARN("could not create rtnetlink socket: %s",
                       strerror(error));
             return error;
         }
+        rtn->notify_sock = sock;
     } else {
         /* Catch up on notification work so that the new notifier won't
          * receive any stale notifications. */