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[NET]: Transform skb_queue_len() binary tests into skb_queue_empty()

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This is part of the grand scheme to eliminate the qlen
member of skb_queue_head, and subsequently remove the
'list' member of sk_buff.

Most users of skb_queue_len() want to know if the queue is
empty or not, and that's trivially done with skb_queue_empty()
which doesn't use the skb_queue_head->qlen member and instead
uses the queue list emptyness as the test.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-07-08 14:57:23 -07:00
parent a92b7b8057
commit b03efcfb21
34 changed files with 84 additions and 89 deletions
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4
net/unix/af_unix.c
View file

@ -302,7 +302,7 @@ static void unix_write_space(struct sock *sk)
* may receive messages only from that peer. */
static void unix_dgram_disconnected(struct sock *sk, struct sock *other)
{
if (skb_queue_len(&sk->sk_receive_queue)) {
if (!skb_queue_empty(&sk->sk_receive_queue)) {
skb_queue_purge(&sk->sk_receive_queue);
wake_up_interruptible_all(&unix_sk(sk)->peer_wait);
@ -1619,7 +1619,7 @@ static long unix_stream_data_wait(struct sock * sk, long timeo)
for (;;) {
prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
if (skb_queue_len(&sk->sk_receive_queue) ||
if (!skb_queue_empty(&sk->sk_receive_queue) ||
sk->sk_err ||
(sk->sk_shutdown & RCV_SHUTDOWN) ||
signal_pending(current) ||