linux-kernel - RE: [PATCH] PM / devfreq: imx: Fix inconsistent IS_ERR and PTR

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Date:   Thu, 7 May 2020 13:27:44 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        Leonard Crestez <leonard.crestez@....com>
CC:     "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: RE: [PATCH] PM / devfreq: imx: Fix inconsistent IS_ERR and PTR_ERR

> From: Gustavo A. R. Silva <gustavoars@...nel.org>
> Sent: Thursday, May 7, 2020 9:13 PM
> 
> Fix inconsistent IS_ERR and PTR_ERR in imx_bus_init_icc().
> 
> The proper pointer to be passed as argument to PTR_ERR() is
> priv->icc_pdev.
> 
> This bug was detected with the help of Coccinelle.
> 
> Fixes: 16c1d2f1b0bd ("PM / devfreq: imx: Register interconnect device")
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks for the fix.
Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Regards
Aisheng

> ---
>  drivers/devfreq/imx-bus.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/devfreq/imx-bus.c b/drivers/devfreq/imx-bus.c index
> 532e7954032f..4f38455ad742 100644
> --- a/drivers/devfreq/imx-bus.c
> +++ b/drivers/devfreq/imx-bus.c
> @@ -88,8 +88,8 @@ static int imx_bus_init_icc(struct device *dev)
>  			dev, icc_driver_name, -1, NULL, 0);
>  	if (IS_ERR(priv->icc_pdev)) {
>  		dev_err(dev, "failed to register icc provider %s: %ld\n",
> -				icc_driver_name, PTR_ERR(priv->devfreq));
> -		return PTR_ERR(priv->devfreq);
> +				icc_driver_name, PTR_ERR(priv->icc_pdev));
> +		return PTR_ERR(priv->icc_pdev);
>  	}
> 
>  	return 0;
> --
> 2.26.2