diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d95a50c013c9..743308f40544 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2205,8 +2205,13 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen)) return -EFAULT; - /* - * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT, + if (sctp_sk(sk)->subscribe.sctp_data_io_event) + pr_warn_ratelimited(DEPRECATED "%s (pid %d) " + "Requested SCTP_SNDRCVINFO event.\n" + "Use SCTP_RCVINFO through SCTP_RECVRCVINFO option instead.\n", + current->comm, task_pid_nr(current)); + + /* At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT, * if there is no data to be sent or retransmit, the stack will * immediately send up this notification. */