diff options
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 25 | 
1 files changed, 12 insertions, 13 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 3d9122e78f4..fef2cc5e9d2 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? */  |