diff options
-rw-r--r-- | drivers/char/virtio_console.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index e15dbe72edbf..e1d382b15532 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c | |||
@@ -410,7 +410,10 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id, | |||
410 | static ssize_t send_control_msg(struct port *port, unsigned int event, | 410 | static ssize_t send_control_msg(struct port *port, unsigned int event, |
411 | unsigned int value) | 411 | unsigned int value) |
412 | { | 412 | { |
413 | return __send_control_msg(port->portdev, port->id, event, value); | 413 | /* Did the port get unplugged before userspace closed it? */ |
414 | if (port->portdev) | ||
415 | return __send_control_msg(port->portdev, port->id, event, value); | ||
416 | return 0; | ||
414 | } | 417 | } |
415 | 418 | ||
416 | /* Callers must take the port->outvq_lock */ | 419 | /* Callers must take the port->outvq_lock */ |