linux-kernel - Re: [alsa-devel] [PATCH] ASoC: SOF: imx8: fix memory allocation failure check on priv->pd

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Message-ID: <33fec540-e97b-25e7-83af-575f19d829d2@linux.intel.com>
Date:   Wed, 4 Dec 2019 13:13:45 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Colin King <colin.king@...onical.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH] ASoC: SOF: imx8: fix memory allocation
 failure check on priv->pd_dev



On 12/4/19 6:48 AM, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The memory allocation failure check for priv->pd_dev is incorrectly
> pointer checking priv instead of priv->pd_dev. Fix this.
> 
> Addresses-Coverity: ("Logically dead code")
> Fixes: 202acc565a1f ("ASoC: SOF: imx: Add i.MX8 HW support")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Thanks Colin

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

> ---
>   sound/soc/sof/imx/imx8.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/sof/imx/imx8.c b/sound/soc/sof/imx/imx8.c
> index cfefcfd92798..9d926b1df0d7 100644
> --- a/sound/soc/sof/imx/imx8.c
> +++ b/sound/soc/sof/imx/imx8.c
> @@ -209,7 +209,7 @@ static int imx8_probe(struct snd_sof_dev *sdev)
>   
>   	priv->pd_dev = devm_kmalloc_array(&pdev->dev, priv->num_domains,
>   					  sizeof(*priv->pd_dev), GFP_KERNEL);
> -	if (!priv)
> +	if (!priv->pd_dev)
>   		return -ENOMEM;
>   
>   	priv->link = devm_kmalloc_array(&pdev->dev, priv->num_domains,
>