summaryrefslogtreecommitdiff
path: root/net/atm/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/atm/common.c')
-rw-r--r--net/atm/common.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/net/atm/common.c b/net/atm/common.c
index 97ed94aa0cbc..b43feb1a3995 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -90,10 +90,13 @@ static void vcc_sock_destruct(struct sock *sk)
static void vcc_def_wakeup(struct sock *sk)
{
- read_lock(&sk->sk_callback_lock);
- if (sk_has_sleeper(sk))
- wake_up(sk->sk_sleep);
- read_unlock(&sk->sk_callback_lock);
+ struct socket_wq *wq;
+
+ rcu_read_lock();
+ wq = rcu_dereference(sk->sk_wq);
+ if (wq_has_sleeper(wq))
+ wake_up(&wq->wait);
+ rcu_read_unlock();
}
static inline int vcc_writable(struct sock *sk)
@@ -106,16 +109,19 @@ static inline int vcc_writable(struct sock *sk)
static void vcc_write_space(struct sock *sk)
{
- read_lock(&sk->sk_callback_lock);
+ struct socket_wq *wq;
+
+ rcu_read_lock();
if (vcc_writable(sk)) {
- if (sk_has_sleeper(sk))
- wake_up_interruptible(sk->sk_sleep);
+ wq = rcu_dereference(sk->sk_wq);
+ if (wq_has_sleeper(wq))
+ wake_up_interruptible(&wq->wait);
sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
}
- read_unlock(&sk->sk_callback_lock);
+ rcu_read_unlock();
}
static struct proto vcc_proto = {
@@ -549,7 +555,7 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
}
eff = (size+3) & ~3; /* align to word boundary */
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
error = 0;
while (!(skb = alloc_tx(vcc, eff))) {
if (m->msg_flags & MSG_DONTWAIT) {
@@ -568,9 +574,9 @@ int vcc_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
send_sig(SIGPIPE, current, 0);
break;
}
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
if (error)
goto out;
skb->dev = NULL; /* for paths shared with net_device interfaces */
@@ -595,7 +601,7 @@ unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
struct atm_vcc *vcc;
unsigned int mask;
- sock_poll_wait(file, sk->sk_sleep, wait);
+ sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
vcc = ATM_SD(sock);