Subject: virtio: console: Send SIGIO in case of port unplug Date: Thu, 2 Sep 2010 18:47:54 +0530 From: Amit Shah If a port has registered for SIGIO signals, let the application know that the port is getting unplugged. Signed-off-by: Amit Shah Signed-off-by: Rusty Russell --- drivers/char/virtio_console.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index a750d2b..f7adfd3 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1244,6 +1244,9 @@ static void unplug_port(struct port *port) 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); } if (is_console_port(port)) {