net/mlx5: fw_reset: Don't try to load device in case PCI isn't working

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2131117

Upstream commit(s):
commit 7d167b4
Author: Shay Drory <shayd@nvidia.com>
Date:   Wed Nov 2 23:55:40 2022 -0700

    net/mlx5: fw_reset: Don't try to load device in case PCI isn't working

    In case PCI reads fail after unload, there is no use in trying to
    load the device.

    Fixes: 5ec6974 ("net/mlx5: Add support for devlink reload action fw activate")
    Signed-off-by: Shay Drory <shayd@nvidia.com>
    Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
    Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

Signed-off-by: Petr Oros <poros@redhat.com>

Author: orosp

drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c

@@ -153,7 +153,8 @@ static void mlx5_fw_reset_complete_reload(struct mlx5_core_dev *dev)
 		mlx5_unload_one(dev);
 		if (mlx5_health_wait_pci_up(dev))
 			mlx5_core_err(dev, "reset reload flow aborted, PCI reads still not working\n");
-		mlx5_load_one(dev, false);
+		else
+			mlx5_load_one(dev, false);
 		devlink_remote_reload_actions_performed(priv_to_devlink(dev), 0,
 							BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT) |
 							BIT(DEVLINK_RELOAD_ACTION_FW_ACTIVATE));