svn commit: r319413 - head/sys/dev/mlx4/mlx4_en

[Hans Petter Selasky]

Author: hselasky
Date: Thu Jun  1 10:39:00 2017
New Revision: 319413
URL: https://svnweb.freebsd.org/changeset/base/319413

Log:
  Free hardware queue resource after port is stopped in the mlx4en(4)
  driver. Else if the port is up the resource might still be busy and
  the MTT free will fail.
  
  PR:			216493
  MFC after:		3 days
  Sponsored by:		Mellanox Technologies

Modified:
  head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c

Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
==============================================================================
--- head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c	Thu Jun  1 10:04:12 2017	(r319412)
+++ head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c	Thu Jun  1 10:39:00 2017	(r319413)
@@ -1731,13 +1731,12 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
 		mutex_unlock(&mdev->state_lock);
 	}
 
-	if (priv->allocated)
-		mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
-
 	mutex_lock(&mdev->state_lock);
 	mlx4_en_stop_port(dev);
 	mutex_unlock(&mdev->state_lock);
 
+	if (priv->allocated)
+		mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
 
 	cancel_delayed_work(&priv->stats_task);
 	cancel_delayed_work(&priv->service_task);