[NET]: Transform skb_queue_len() binary tests into skb_queue_empty()
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>
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 2e341de..901eff7 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -213,7 +213,7 @@
return kernel_sendmsg(sock, &msg, &iv, 1, len);
}
-static int cmtp_process_transmit(struct cmtp_session *session)
+static void cmtp_process_transmit(struct cmtp_session *session)
{
struct sk_buff *skb, *nskb;
unsigned char *hdr;
@@ -223,7 +223,7 @@
if (!(nskb = alloc_skb(session->mtu, GFP_ATOMIC))) {
BT_ERR("Can't allocate memory for new frame");
- return -ENOMEM;
+ return;
}
while ((skb = skb_dequeue(&session->transmit))) {
@@ -275,8 +275,6 @@
cmtp_send_frame(session, nskb->data, nskb->len);
kfree_skb(nskb);
-
- return skb_queue_len(&session->transmit);
}
static int cmtp_session(void *arg)
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index affbc55..de8af5f 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -428,7 +428,7 @@
return kernel_sendmsg(sock, &msg, &iv, 1, len);
}
-static int hidp_process_transmit(struct hidp_session *session)
+static void hidp_process_transmit(struct hidp_session *session)
{
struct sk_buff *skb;
@@ -453,9 +453,6 @@
hidp_set_timer(session);
kfree_skb(skb);
}
-
- return skb_queue_len(&session->ctrl_transmit) +
- skb_queue_len(&session->intr_transmit);
}
static int hidp_session(void *arg)
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index f3f6355..63a123c 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -590,8 +590,11 @@
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
- if (skb_queue_len(&sk->sk_receive_queue) || sk->sk_err || (sk->sk_shutdown & RCV_SHUTDOWN) ||
- signal_pending(current) || !timeo)
+ if (!skb_queue_empty(&sk->sk_receive_queue) ||
+ sk->sk_err ||
+ (sk->sk_shutdown & RCV_SHUTDOWN) ||
+ signal_pending(current) ||
+ !timeo)
break;
set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 6d68920..6304590 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -781,7 +781,7 @@
BT_DBG("tty %p dev %p", tty, dev);
- if (skb_queue_len(&dlc->tx_queue))
+ if (!skb_queue_empty(&dlc->tx_queue))
return dlc->mtu;
return 0;