greybus: svc: flush workqueue at connection exit

Make sure to flush the workqueue from hotplug and hotunplug events when
the svc connection is tore down.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c
index af41e8e..f65aba6 100644 (file)
--- a/drivers/staging/greybus/svc.c
+++ b/drivers/staging/greybus/svc.c
@@ -709,6 +709,8 @@ static void gb_svc_connection_exit(struct gb_connection *connection)
        if (device_is_registered(&svc->dev))
                device_del(&svc->dev);
 
+       flush_workqueue(svc->wq);
+
        connection->hd->svc = NULL;
        connection->private = NULL;