diff options
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 9 | 
1 files changed, 5 insertions, 4 deletions
| diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 0b0f18ecce44..fb31e8a4409e 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -557,7 +557,7 @@ static void unix_dgram_disconnected(struct sock *sk, struct sock *other)  		 * when peer was not connected to us.  		 */  		if (!sock_flag(other, SOCK_DEAD) && unix_peer(other) == sk) { -			other->sk_err = ECONNRESET; +			WRITE_ONCE(other->sk_err, ECONNRESET);  			sk_error_report(other);  		}  	} @@ -630,7 +630,7 @@ static void unix_release_sock(struct sock *sk, int embrion)  			/* No more writes */  			skpair->sk_shutdown = SHUTDOWN_MASK;  			if (!skb_queue_empty(&sk->sk_receive_queue) || embrion) -				skpair->sk_err = ECONNRESET; +				WRITE_ONCE(skpair->sk_err, ECONNRESET);  			unix_state_unlock(skpair);  			skpair->sk_state_change(skpair);  			sk_wake_async(skpair, SOCK_WAKE_WAITD, POLL_HUP); @@ -3165,7 +3165,7 @@ static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wa  	mask = 0;  	/* exceptional events? */ -	if (sk->sk_err) +	if (READ_ONCE(sk->sk_err))  		mask |= EPOLLERR;  	if (sk->sk_shutdown == SHUTDOWN_MASK)  		mask |= EPOLLHUP; @@ -3208,7 +3208,8 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,  	mask = 0;  	/* exceptional events? */ -	if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) +	if (READ_ONCE(sk->sk_err) || +	    !skb_queue_empty_lockless(&sk->sk_error_queue))  		mask |= EPOLLERR |  			(sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? EPOLLPRI : 0); | 
