1 files changed, 15 insertions, 2 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d54700af927a..bae764005d2d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3719,9 +3719,9 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
         sp->hmac = NULL;
 
         SCTP_DBG_OBJCNT_INC(sock);
-        percpu_counter_inc(&sctp_sockets_allocated);
 
         local_bh_disable();
+        percpu_counter_inc(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
         local_bh_enable();
 
@@ -3738,8 +3738,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
         /* Release our hold on the endpoint. */
         ep = sctp_sk(sk)->ep;
         sctp_endpoint_free(ep);
-        percpu_counter_dec(&sctp_sockets_allocated);
         local_bh_disable();
+        percpu_counter_dec(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
         local_bh_enable();
 }
@@ -6185,6 +6185,19 @@ do_nonblock:
         goto out;
 }
 
+void sctp_data_ready(struct sock *sk, int len)
+{
+        struct socket_wq *wq;
+
+        rcu_read_lock();
+        wq = rcu_dereference(sk->sk_wq);
+        if (wq_has_sleeper(wq))
+                wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
+                                                POLLRDNORM | POLLRDBAND);
+        sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
+        rcu_read_unlock();
+}
+
 /* If socket sndbuf has changed, wake up all per association waiters.  */
 void sctp_write_space(struct sock *sk)
 {