Re: [PATCH] net: ethernet: ravb: Fix release of refclk

[Sergei Shtylyov]

Hello!

On 17.04.2021 16:23, Adam Ford wrote:

> The call to clk_disable_unprepare() can happen before priv is
> initialized.

   Mhm, how's that? :-/

> This means moving clk_disable_unprepare out of
> out_release into a new label.
>
> Fixes: 8ef7adc6beb2("net: ethernet: ravb: Enable optional refclk")
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
>
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 8c84c40ab9a0..64a545c98ff2 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
[...]
> @@ -2252,8 +2252,9 @@ static int ravb_probe(struct platform_device *pdev)
>   	/* Stop PTP Clock driver */
>   	if (chip_id != RCAR_GEN2)
>   		ravb_ptp_stop(ndev);
> -out_release:
> +out_unprepare_refclk:

   I'd really prefer out_disable_refclk.

>   	clk_disable_unprepare(priv->refclk);
> +out_release:
>   	free_netdev(ndev);
>   
>   	pm_runtime_put(&pdev->dev);

MBR, Sergei