net: add __rcu annotations to sk_wq and wq
Add proper RCU annotations/verbs to sk_wq and wq members
Fix __sctp_write_space() sk_sleep() abuse (and sock->wq access)
Fix sunrpc sk_sleep() abuse too
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 8e02550..b53b2eb 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6102,15 +6102,16 @@
wake_up_interruptible(&asoc->wait);
if (sctp_writeable(sk)) {
- if (sk_sleep(sk) && waitqueue_active(sk_sleep(sk)))
- wake_up_interruptible(sk_sleep(sk));
+ wait_queue_head_t *wq = sk_sleep(sk);
+
+ if (wq && waitqueue_active(wq))
+ wake_up_interruptible(wq);
/* Note that we try to include the Async I/O support
* here by modeling from the current TCP/UDP code.
* We have not tested with it yet.
*/
- if (sock->wq->fasync_list &&
- !(sk->sk_shutdown & SEND_SHUTDOWN))
+ if (!(sk->sk_shutdown & SEND_SHUTDOWN))
sock_wake_async(sock,
SOCK_WAKE_SPACE, POLL_OUT);
}