diff --git a/net/tipc/link.c b/net/tipc/link.c index 70a21499804d..723dd6998684 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1039,6 +1039,7 @@ int tipc_link_retrans(struct tipc_link *l, struct tipc_link *nacker, static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb, struct sk_buff_head *inputq) { + struct sk_buff_head *mc_inputq = l->bc_rcvlink->inputq; struct tipc_msg *hdr = buf_msg(skb); switch (msg_user(hdr)) { @@ -1047,12 +1048,14 @@ static bool tipc_data_input(struct tipc_link *l, struct sk_buff *skb, case TIPC_HIGH_IMPORTANCE: case TIPC_CRITICAL_IMPORTANCE: if (unlikely(msg_in_group(hdr) || msg_mcast(hdr))) { - skb_queue_tail(l->bc_rcvlink->inputq, skb); + skb_queue_tail(mc_inputq, skb); return true; } - case GROUP_PROTOCOL: case CONN_MANAGER: return true; + case GROUP_PROTOCOL: + skb_queue_tail(mc_inputq, skb); + return true; case NAME_DISTRIBUTOR: l->bc_rcvlink->state = LINK_ESTABLISHED; skb_queue_tail(l->namedq, skb); diff --git a/net/tipc/socket.c b/net/tipc/socket.c index b1f1c3c2b1e2..2bbab4fe2f53 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2762,6 +2762,10 @@ static int tipc_sk_join(struct tipc_sock *tsk, struct tipc_group_req *mreq) rc = tipc_sk_publish(tsk, mreq->scope, &seq); if (rc) tipc_group_delete(net, grp); + + /* Eliminate any risk that a broadcast overtakes the sent JOIN */ + tsk->mc_method.rcast = true; + tsk->mc_method.mandatory = true; return rc; }