net/mlx4_en: Avoid unregister_netdev at shutdown flow

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

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 372ebfa..546fab0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -4135,8 +4135,11 @@ static void mlx4_shutdown(struct pci_dev *pdev)
 
        mlx4_info(persist->dev, "mlx4_shutdown was called\n");
        mutex_lock(&persist->interface_state_mutex);
-       if (persist->interface_state & MLX4_INTERFACE_STATE_UP)
+       if (persist->interface_state & MLX4_INTERFACE_STATE_UP) {
+               /* Notify mlx4 clients that the kernel is being shut down */
+               persist->interface_state |= MLX4_INTERFACE_STATE_SHUTDOWN;
                mlx4_unload_one(pdev);
+       }
        mutex_unlock(&persist->interface_state_mutex);
 }