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annotate poll-related wait keys

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__poll_t is also used as wait key in some waitqueues.
Verify that wait_..._poll() gets __poll_t as key and
provide a helper for wakeup functions to get back to
that __poll_t value.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-07-03 20:14:56 -04:00
parent e6c8adca20
commit 3ad6f93e98
9 changed files with 19 additions and 18 deletions
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2
net/unix/af_unix.c
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@ -367,7 +367,7 @@ static int unix_dgram_peer_wake_relay(wait_queue_entry_t *q, unsigned mode, int
/* relaying can only happen while the wq still exists */
u_sleep = sk_sleep(&u->sk);
if (u_sleep)
wake_up_interruptible_poll(u_sleep, key);
wake_up_interruptible_poll(u_sleep, key_to_poll(key));
return 0;
}