mei: cancel driver workers only after client devices were removed

In process of client devices removal from the bus there still
might be communication between a driver and the mei device
hence we need to cancel supporting workers only after all
the client devices were removed.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/init.c

@@ -329,10 +329,10 @@ void mei_stop(struct mei_device *dev)
 {
 	dev_dbg(dev->dev, "stopping the device.\n");
 
-	mei_cancel_work(dev);
-
 	mei_cl_bus_remove_devices(dev);
 
+	mei_cancel_work(dev);
+
 	mutex_lock(&dev->device_lock);
 
 	mei_wd_stop(dev);