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[IrDA] af_irda: irda_accept cleanup 

This patch removes a cut'n'paste copy of wait_event_interruptible
from irda_accept.

Signed-off-by: Samuel Ortiz <samuel@ortiz.org>
Acked-by: Olaf Kirch <olaf.kirch@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Samuel Ortiz 2007-04-20 22:09:33 -07:00 committed by David S. Miller
parent 6e66aa15d8
commit d7f48d1a93
1 changed files with 8 additions and 26 deletions
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34
net/irda/af_irda.c
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@ -872,37 +872,19 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
* calling us, the data is waiting for us ;-)
* Jean II
*/
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb == NULL) {
int ret = 0;
DECLARE_WAITQUEUE(waitq, current);
while (1) {
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb)
break;
/* Non blocking operation */
if (flags & O_NONBLOCK)
return -EWOULDBLOCK;
/* The following code is a cut'n'paste of the
* wait_event_interruptible() macro.
* We don't us the macro because the condition has
* side effects : we want to make sure that only one
* skb get dequeued - Jean II */
add_wait_queue(sk->sk_sleep, &waitq);
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb != NULL)
break;
if (!signal_pending(current)) {
schedule();
continue;
}
ret = -ERESTARTSYS;
break;
}
current->state = TASK_RUNNING;
remove_wait_queue(sk->sk_sleep, &waitq);
if(ret)
return -ERESTARTSYS;
err = wait_event_interruptible(*(sk->sk_sleep),
skb_peek(&sk->sk_receive_queue));
if (err)
return err;
}
newsk = newsock->sk;