Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / drivers / net / ethernet / mellanox / mlx4 / intf.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/intf.c b/drivers/net/ethernet/mellanox/mlx4/intf.c
index 0e8b7c44931f907ed881d093077e93b92ae0305d..8258d08acd8c2029a8bcb812dd5efd85d8c7b0f2 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/intf.c
+++ b/drivers/net/ethernet/mellanox/mlx4/intf.c
@@ -222,6 +222,18 @@ void mlx4_unregister_device(struct mlx4_dev *dev)
                return;
 
        mlx4_stop_catas_poll(dev);
+       if (dev->persist->interface_state & MLX4_INTERFACE_STATE_DELETION &&
+           mlx4_is_slave(dev)) {
+               /* In mlx4_remove_one on a VF */
+               u32 slave_read =
+                       swab32(readl(&mlx4_priv(dev)->mfunc.comm->slave_read));
+
+               if (mlx4_comm_internal_err(slave_read)) {
+                       mlx4_dbg(dev, "%s: comm channel is down, entering error state.\n",
+                                __func__);
+                       mlx4_enter_error_state(dev->persist);
+               }
+       }
        mutex_lock(&intf_mutex);
 
        list_for_each_entry(intf, &intf_list, list)