net: Generalise wq_has_sleeper helper

The memory barrier in the helper wq_has_sleeper is needed by just
about every user of waitqueue_active.  This patch generalises it
by making it take a wait_queue_head_t directly.  The existing
helper is renamed to skwq_has_sleeper.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 552dbaba9cf3..525acf6dd1c6 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1492,7 +1492,7 @@ static void tipc_write_space(struct sock *sk)
 
         rcu_read_lock();
         wq = rcu_dereference(sk->sk_wq);
-        if (wq_has_sleeper(wq))
+        if (skwq_has_sleeper(wq))
                 wake_up_interruptible_sync_poll(&wq->wait, POLLOUT |
                                                 POLLWRNORM | POLLWRBAND);
         rcu_read_unlock();
@@ -1509,7 +1509,7 @@ static void tipc_data_ready(struct sock *sk)
 
         rcu_read_lock();
         wq = rcu_dereference(sk->sk_wq);
-        if (wq_has_sleeper(wq))
+        if (skwq_has_sleeper(wq))
                 wake_up_interruptible_sync_poll(&wq->wait, POLLIN |
                                                 POLLRDNORM | POLLRDBAND);
         rcu_read_unlock();