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Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 3d9122e..fef2cc5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -313,13 +313,16 @@ static inline int unix_writable(struct sock *sk)
static void unix_write_space(struct sock *sk)
{
- read_lock(&sk->sk_callback_lock);
+ struct socket_wq *wq;
+
+ rcu_read_lock();
if (unix_writable(sk)) {
- if (sk_has_sleeper(sk))
- wake_up_interruptible_sync(sk->sk_sleep);
+ wq = rcu_dereference(sk->sk_wq);
+ if (wq_has_sleeper(wq))
+ wake_up_interruptible_sync(&wq->wait);
sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
}
- read_unlock(&sk->sk_callback_lock);
+ rcu_read_unlock();
}
/* When dgram socket disconnects (or changes its peer), we clear its receive
@@ -406,9 +409,7 @@ static int unix_release_sock(struct sock *sk, int embrion)
skpair->sk_err = ECONNRESET;
unix_state_unlock(skpair);
skpair->sk_state_change(skpair);
- read_lock(&skpair->sk_callback_lock);
sk_wake_async(skpair, SOCK_WAKE_WAITD, POLL_HUP);
- read_unlock(&skpair->sk_callback_lock);
}
sock_put(skpair); /* It may now die */
unix_peer(sk) = NULL;
@@ -1142,7 +1143,7 @@ restart:
newsk->sk_peercred.pid = task_tgid_vnr(current);
current_euid_egid(&newsk->sk_peercred.uid, &newsk->sk_peercred.gid);
newu = unix_sk(newsk);
- newsk->sk_sleep = &newu->peer_wait;
+ newsk->sk_wq = &newu->peer_wq;
otheru = unix_sk(other);
/* copy address information from listening to new sock*/
@@ -1736,7 +1737,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo)
unix_state_lock(sk);
for (;;) {
- prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+ prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
if (!skb_queue_empty(&sk->sk_receive_queue) ||
sk->sk_err ||
@@ -1752,7 +1753,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo)
clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
}
- finish_wait(sk->sk_sleep, &wait);
+ finish_wait(sk_sleep(sk), &wait);
unix_state_unlock(sk);
return timeo;
}
@@ -1931,12 +1932,10 @@ static int unix_shutdown(struct socket *sock, int mode)
other->sk_shutdown |= peer_mode;
unix_state_unlock(other);
other->sk_state_change(other);
- read_lock(&other->sk_callback_lock);
if (peer_mode == SHUTDOWN_MASK)
sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP);
else if (peer_mode & RCV_SHUTDOWN)
sk_wake_async(other, SOCK_WAKE_WAITD, POLL_IN);
- read_unlock(&other->sk_callback_lock);
}
if (other)
sock_put(other);
@@ -1991,7 +1990,7 @@ static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table
struct sock *sk = sock->sk;
unsigned int mask;
- sock_poll_wait(file, sk->sk_sleep, wait);
+ sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
/* exceptional events? */
@@ -2028,7 +2027,7 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
struct sock *sk = sock->sk, *other;
unsigned int mask, writable;
- sock_poll_wait(file, sk->sk_sleep, wait);
+ sock_poll_wait(file, sk_sleep(sk), wait);
mask = 0;
/* exceptional events? */
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