Re: [PATCH net-next 03/10] mlx4: Replace the mlx4_interface.event callback with a notifier

From: Simon Horman
Date: Mon Aug 07 2023 - 10:01:57 EST


On Fri, Aug 04, 2023 at 05:05:20PM +0200, Petr Pavlu wrote:

...

> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c

...

> @@ -326,6 +333,11 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
> mutex_init(&mdev->state_lock);
> mdev->device_up = true;
>
> + /* register mlx4 core notifier */
> + mdev->mlx_nb.notifier_call = mlx4_en_event;
> + err = mlx4_register_event_notifier(dev, &mdev->mlx_nb);

Hi Petr.

This fails to build because err isn't declared in this context.

> + WARN(err, "failed to register mlx4 event notifier (%d)", err);
> +
> return mdev;
>
> err_mr:

...