diff options
| -rw-r--r-- | net/irda/af_irda.c | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index e9aa1626ea8..4eda10d7914 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -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; |