virtio-net: refill only when device is up during setting queues

[cascardo/linux.git] / drivers / net / virtio_net.c

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c4bc1cc..9fbdfcd 100644 (file)
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -938,7 +938,9 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
                return -EINVAL;
        } else {
                vi->curr_queue_pairs = queue_pairs;
-               schedule_delayed_work(&vi->refill, 0);
+               /* virtnet_open() will refill when device is going to up. */
+               if (dev->flags & IFF_UP)
+                       schedule_delayed_work(&vi->refill, 0);
        }
 
        return 0;
@@ -1741,7 +1743,9 @@ static int virtnet_restore(struct virtio_device *vdev)
        vi->config_enable = true;
        mutex_unlock(&vi->config_lock);
 
+       rtnl_lock();
        virtnet_set_queues(vi, vi->curr_queue_pairs);
+       rtnl_unlock();
 
        return 0;
 }