virtio: console: fix raising SIGIO after port unplug

[~andy/linux] / drivers / char / virtio_console.c

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 4e684faee10b0b60ac21c1dc034f28420ceba002..e4845f1c9a0b5cd6632c4dc6116dcc1fa5ead644 100644 (file)
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1551,12 +1551,14 @@ static void unplug_port(struct port *port)
        spin_unlock_irq(&port->portdev->ports_lock);
 
        if (port->guest_connected) {
+               /* Let the app know the port is going down. */
+               send_sigio_to_port(port);
+
+               /* Do this after sigio is actually sent */
                port->guest_connected = false;
                port->host_connected = false;
-               wake_up_interruptible(&port->waitqueue);
 
-               /* Let the app know the port is going down. */
-               send_sigio_to_port(port);
+               wake_up_interruptible(&port->waitqueue);
        }
 
        if (is_console_port(port)) {