net: sk_sleep() helper
Define a new function to return the waitqueue of a "struct sock".
static inline wait_queue_head_t *sk_sleep(struct sock *sk)
{
return sk->sk_sleep;
}
Change all read occurrences of sk_sleep by a call to this function.
Needed for a future RCU conversion. sk_sleep wont be a field directly
available.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 404a850..421c45b 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -288,7 +288,7 @@
BT_DBG("sock %p, sk %p", sock, sk);
- poll_wait(file, sk->sk_sleep, wait);
+ poll_wait(file, sk_sleep(sk), wait);
if (sk->sk_state == BT_LISTEN)
return bt_accept_poll(sk);
@@ -378,7 +378,7 @@
BT_DBG("sk %p", sk);
- add_wait_queue(sk->sk_sleep, &wait);
+ add_wait_queue(sk_sleep(sk), &wait);
while (sk->sk_state != state) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -401,7 +401,7 @@
break;
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
return err;
}
EXPORT_SYMBOL(bt_sock_wait_state);
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 8062dad..f10b41f 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -474,7 +474,7 @@
set_user_nice(current, -15);
init_waitqueue_entry(&wait, current);
- add_wait_queue(sk->sk_sleep, &wait);
+ add_wait_queue(sk_sleep(sk), &wait);
while (!atomic_read(&s->killed)) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -496,7 +496,7 @@
schedule();
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
/* Cleanup session */
down_write(&bnep_session_sem);
@@ -507,7 +507,7 @@
/* Wakeup user-space polling for socket errors */
s->sock->sk->sk_err = EUNATCH;
- wake_up_interruptible(s->sock->sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(s->sock->sk));
/* Release the socket */
fput(s->sock->file);
@@ -638,7 +638,7 @@
/* Kill session thread */
atomic_inc(&s->killed);
- wake_up_interruptible(s->sock->sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(s->sock->sk));
} else
err = -ENOENT;
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index d48b33f..0faad5c 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -109,7 +109,7 @@
}
skb_queue_tail(&sk->sk_write_queue, skb);
- wake_up_interruptible(sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(sk));
#endif
}
@@ -193,11 +193,11 @@
/*
* We cannot send L2CAP packets from here as we are potentially in a bh.
* So we have to queue them and wake up session thread which is sleeping
- * on the sk->sk_sleep.
+ * on the sk_sleep(sk).
*/
dev->trans_start = jiffies;
skb_queue_tail(&sk->sk_write_queue, skb);
- wake_up_interruptible(sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(sk));
if (skb_queue_len(&sk->sk_write_queue) >= BNEP_TX_QUEUE_LEN) {
BT_DBG("tx queue is full");
diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h
index e4663aa..785e79e 100644
--- a/net/bluetooth/cmtp/cmtp.h
+++ b/net/bluetooth/cmtp/cmtp.h
@@ -125,7 +125,7 @@
{
struct sock *sk = session->sock->sk;
- wake_up_interruptible(sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(sk));
}
/* CMTP init defines */
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 0073ec8..d4c6af0 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -284,7 +284,7 @@
set_user_nice(current, -15);
init_waitqueue_entry(&wait, current);
- add_wait_queue(sk->sk_sleep, &wait);
+ add_wait_queue(sk_sleep(sk), &wait);
while (!atomic_read(&session->terminate)) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -301,7 +301,7 @@
schedule();
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
down_write(&cmtp_session_sem);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 280529a..bfe641b 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -561,8 +561,8 @@
init_waitqueue_entry(&ctrl_wait, current);
init_waitqueue_entry(&intr_wait, current);
- add_wait_queue(ctrl_sk->sk_sleep, &ctrl_wait);
- add_wait_queue(intr_sk->sk_sleep, &intr_wait);
+ add_wait_queue(sk_sleep(ctrl_sk), &ctrl_wait);
+ add_wait_queue(sk_sleep(intr_sk), &intr_wait);
while (!atomic_read(&session->terminate)) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -584,8 +584,8 @@
schedule();
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(intr_sk->sk_sleep, &intr_wait);
- remove_wait_queue(ctrl_sk->sk_sleep, &ctrl_wait);
+ remove_wait_queue(sk_sleep(intr_sk), &intr_wait);
+ remove_wait_queue(sk_sleep(ctrl_sk), &ctrl_wait);
down_write(&hidp_session_sem);
@@ -609,7 +609,7 @@
fput(session->intr_sock->file);
- wait_event_timeout(*(ctrl_sk->sk_sleep),
+ wait_event_timeout(*(sk_sleep(ctrl_sk)),
(ctrl_sk->sk_state == BT_CLOSED), msecs_to_jiffies(500));
fput(session->ctrl_sock->file);
diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h
index a4e215d..8d934a1 100644
--- a/net/bluetooth/hidp/hidp.h
+++ b/net/bluetooth/hidp/hidp.h
@@ -164,8 +164,8 @@
struct sock *ctrl_sk = session->ctrl_sock->sk;
struct sock *intr_sk = session->intr_sock->sk;
- wake_up_interruptible(ctrl_sk->sk_sleep);
- wake_up_interruptible(intr_sk->sk_sleep);
+ wake_up_interruptible(sk_sleep(ctrl_sk));
+ wake_up_interruptible(sk_sleep(intr_sk));
}
/* HIDP init defines */
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 99d68c3..c1e60ee 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1147,7 +1147,7 @@
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
- add_wait_queue_exclusive(sk->sk_sleep, &wait);
+ add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (!(nsk = bt_accept_dequeue(sk, newsock))) {
set_current_state(TASK_INTERRUPTIBLE);
if (!timeo) {
@@ -1170,7 +1170,7 @@
}
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8ed3c37..43fbf6b 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -503,7 +503,7 @@
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
- add_wait_queue_exclusive(sk->sk_sleep, &wait);
+ add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (!(nsk = bt_accept_dequeue(sk, newsock))) {
set_current_state(TASK_INTERRUPTIBLE);
if (!timeo) {
@@ -526,7 +526,7 @@
}
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;
@@ -621,7 +621,7 @@
{
DECLARE_WAITQUEUE(wait, current);
- add_wait_queue(sk->sk_sleep, &wait);
+ add_wait_queue(sk_sleep(sk), &wait);
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -640,7 +640,7 @@
}
__set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
return timeo;
}
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index ca6b2ad..b406d3e 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -567,7 +567,7 @@
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
- add_wait_queue_exclusive(sk->sk_sleep, &wait);
+ add_wait_queue_exclusive(sk_sleep(sk), &wait);
while (!(ch = bt_accept_dequeue(sk, newsock))) {
set_current_state(TASK_INTERRUPTIBLE);
if (!timeo) {
@@ -590,7 +590,7 @@
}
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(sk->sk_sleep, &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
if (err)
goto done;