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-rw-r--r--net/sctp/socket.c9
1 files changed, 7 insertions, 2 deletions
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.
*/