linux-kernel - Re: [PATCH v2] mrf24j40: Fix en error handling path in 'mrf24j40

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Date:   Mon, 10 Jul 2017 15:24:17 -0400
From:   Alan Ott <alan@...nal11.us>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        alex.aring@...il.com, stefan@....samsung.com
Cc:     linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v2] mrf24j40: Fix en error handling path in
 'mrf24j40_probe()'

On 07/08/2017 04:40 AM, Christophe JAILLET wrote:
> If this check fails, we must release some resources as done everywhere
> else in this function before returning an error code.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> V2: initialization of ret in this erro path ws missing. Stupid me!
> ---
>  drivers/net/ieee802154/mrf24j40.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c
> index 7d334963dc08..da8683782ffc 100644
> --- a/drivers/net/ieee802154/mrf24j40.c
> +++ b/drivers/net/ieee802154/mrf24j40.c
> @@ -1330,7 +1330,8 @@ static int mrf24j40_probe(struct spi_device *spi)
>  	if (spi->max_speed_hz > MAX_SPI_SPEED_HZ) {
>  		dev_warn(&spi->dev, "spi clock above possible maximum: %d",
>  			 MAX_SPI_SPEED_HZ);
> -		return -EINVAL;
> +		ret = -EINVAL;
> +		goto err_register_device;
>  	}
>
>  	ret = mrf24j40_hw_init(devrec);
>

Acked-by: Alan Ott <alan@...nal11.us>