Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit fe86e54e authored by Hendrik Brueckner's avatar Hendrik Brueckner Committed by David S. Miller
Browse files

af_iucv: Reject incoming msgs if RECV_SHUTDOWN is set 



Reject incoming iucv messages if the receive direction has been shut down.
It avoids that the queue of outstanding messages increases and exceeds the
message limit of the iucv communication path.

Signed-off-by: default avatarHendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: default avatarUrsula Braun <ursula.braun@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 60d3705f

net/iucv/af_iucv.c

+3 −1
Original line number Diff line number Diff line
@@ -1116,8 +1116,10 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) 
	struct sock_msg_q *save_msg;

	int len;



	if (sk->sk_shutdown & RCV_SHUTDOWN)

	if (sk->sk_shutdown & RCV_SHUTDOWN) {

		iucv_message_reject(path, msg);

		return;

	}



	if (!list_empty(&iucv->message_q.list) ||

	    !skb_queue_empty(&iucv->backlog_skb_q))