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net: add __rcu annotations to sk_wq and wq

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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>
This commit is contained in:
Eric Dumazet 2011-02-18 03:26:36 +00:00 • committed by David S. Miller
parent 04cfa852ff
commit eaefd1105b
6 changed files with 46 additions and 30 deletions
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9
net/sctp/socket.c
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@ -6102,15 +6102,16 @@ static void __sctp_write_space(struct sctp_association *asoc)
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);
}