Phonet: use atomic for packet TX window

[uclinux-h8/linux.git] / net / phonet / socket.c

diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index c75aa5c..ada2a35 100644 (file)
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -227,7 +227,7 @@ static unsigned int pn_socket_poll(struct file *file, struct socket *sock,
        if (!mask && sk->sk_state == TCP_CLOSE_WAIT)
                return POLLHUP;
 
-       if (sk->sk_state == TCP_ESTABLISHED && pn->tx_credits)
+       if (sk->sk_state == TCP_ESTABLISHED && atomic_read(&pn->tx_credits))
                mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
 
        return mask;