linux-kernel - Re: [PATCH v2 2/4] regulator: Set ena_gpio

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Message-ID: <20141013144235.GJ27755@sirena.org.uk>
Date:	Mon, 13 Oct 2014 16:42:35 +0200
From:	Mark Brown <broonie@...nel.org>
To:	Markus Pargmann <mpa@...gutronix.de>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Krzysztof Kozłowski <k.kozlowski@...sung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH v2 2/4] regulator: Set ena_gpio_initialized in regulator
 drivers

On Wed, Oct 08, 2014 at 03:47:06PM +0200, Markus Pargmann wrote:

> --- a/drivers/regulator/max8952.c
> +++ b/drivers/regulator/max8952.c
> @@ -225,6 +225,8 @@ static int max8952_pmic_probe(struct i2c_client *client,
>  	config.of_node = client->dev.of_node;
>  
>  	config.ena_gpio = pdata->gpio_en;
> +	if (!pdata)
> +		config.ena_gpio_initialized = true;

This looks wrong, we're checking for pdata being non-NULL immediately
after dereferencing pdata.

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